steve/right-angle-pushbutton-tht

Right-angle subminiature pushbutton from NKK's Series BB sheet: BB15AH, SPDT momentary, with a support bracket, without a cap or with a 5.1 or 7.5 mm slip-on cap.

v1.0.0 Latest STEVE MIT 0

Open in STEVE

Isometric

Parameters

Preset7 sizes

Type

BB15AH

Slip-on cap

noneFH

none; F: AT475, 5.1 mm dia.; H: AT496, 7.5 mm dia. (reaches below the board's face: mount at the board's edge).

Cap colour

blackwhitered

Cap colour (part number letter A, B or C).

Defaults built

part.py 114 lines · Python · STEVE runtime · checked

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"""Right-angle through-hole subminiature pushbutton, NKK Series BB, BB15AH (single pole, SPDT, momentary, right-angle PC terminals with a

support bracket), with or without a slip-on cap. The origin is terminal 2 (COM) on the board's top face (the XY plane); terminals 1, 2

and 3 lie along X, 2.54 apart; the plunger points along -Y, its axis 3.4 above the board. Dimensions from NKK's Series BB sheet, in the

README."""

from steve import Model

kind = "BB15AH" # Type

cap = "none" # Slip-on cap: none, F (AT475, 5.1 dia.) or H (AT496, 7.5 dia.)

cap_color = "black" # Cap colour: black, white or red

# NKK "Series BB, Process Sealed Subminiature Antistatic Pushbuttons", catalogue pages C12 to C17 (PDF of 2016-10-25,

# nkkswitches.com/pdf/Bpushbuttons.pdf), in inches (mm); the mm values are used.

# Page C17, Typical Switch Dimensions, Single Pole, Right Angle PC (BB15AH-FA): body (8.8) .346 wide and (7.3) .287 high; bushing

# (6.0) dia. .236, (2.7) .106 long; plunger (2.8) dia. .110, (5.4) .213 out of the bushing; (13.9) .546 from the bushing's nose to

# the terminals' row; plunger axis (3.4) .134 above the board; terminals (2.54) .100 apart, (0.6) dia. .024, (3.1) .122 below the

# board; bracket legs (5.08) .200 in front of the terminals, (5.08) .200 apart (under terminals 1 and 3), (0.4) .016 thick;

# F cap (5.1) dia. .201, (4.0) .157 long, its face (6.3) .248 from the bushing's nose.

# Page C15, PC Terminals, H Right Angle with Bracket: terminals (0.6) dia. .024; bracket legs (0.6) .024 wide, (0.4) .016 thick;

# bracket (0.5) .020 thick. Slip-On Caps: F AT475, (5.1) dia. .201; H AT496, (7.5) dia. .295; both (6.3) .248 from the bushing,

# (4.0) .157 long; polyamide; black, white or red.

TYPES = {"BB15AH": 3} # terminals

BODY_W = 8.8

BODY_H = 7.3

BUSHING_D = 6.0

BUSHING_L = 2.7

PLUNGER_D = 2.8

PLUNGER_OUT = 5.4

NOSE = 13.9

AXIS = 3.4

PITCH = 2.54

PIN_D = 0.6

TAIL = 3.1

LEG_Y = 5.08

LEG_X = 5.08

LEG_W = 0.6

LEG_T = 0.4

BRACKET_T = 0.5

CAPS = {"F": 5.1, "H": 7.5}

CAP_FACE = 6.3

CAP_L = 4.0

SHADES = {"black": "#222325", "white": "#ecebe6", "red": "#c8202a"}

# Proportions, for looks only (the sheet doesn't dimension them; scaled from the C17 side and rear views, README): the housing's width,

# the front part's height and length, where the housing's underside and the terminals' exit are, and the rear face's distance from

# the terminals' row.

HOUSING_W = 8.0

FRONT_TOP = 6.6

STEP = 6.0 # the front part ends this far in front of the terminals' row; the taller rear block runs from there to the back

REAR = 0.8 # the rear face, in front of the terminals' row

EXIT_Z = 2.5 # the terminals leave the rear face this high, run back to their row and bend down

if kind not in TYPES:

raise ValueError(f"no type {kind!r}: {', '.join(TYPES)}")

if cap != "none" and cap not in CAPS:

raise ValueError(f"no cap {cap!r}: none, {', '.join(CAPS)}")

if cap_color not in SHADES:

raise ValueError(f"no cap colour {cap_color!r}: {', '.join(SHADES)}")

nose = -NOSE

plate = nose + BUSHING_L # the bracket's front plate starts behind the bushing

front = plate + BRACKET_T # the housing's front face

bottom = BRACKET_T # the housing's front part stands on the bracket's bottom plate

model = Model()

# Housing (glass fibre reinforced polyamide): a front part over the bracket and a taller rear block down to the board.

model.box("housing_front", HOUSING_W, -STEP - front, FRONT_TOP - bottom, at=(0, (front - STEP) / 2, (FRONT_TOP + bottom) / 2), op="new",

body="housing_body", name="Housing")

model.box("housing_rear", HOUSING_W, STEP - REAR + 0.01, BODY_H - bottom, at=(0, (-STEP - REAR) / 2 - 0.005, (BODY_H + bottom) / 2),

op="join", body="housing_body", name="Rear block")

leg_back = -LEG_Y + LEG_T / 2 # the bracket's bottom plate ends behind the legs; the rear block reaches the board behind it

model.box("housing_foot", HOUSING_W, -REAR - leg_back, bottom + 0.01, at=(0, (leg_back - REAR) / 2, (bottom + 0.01) / 2), op="join",

body="housing_body", name="Rear foot")

# Bushing (carbon blended polyamide), from the bracket's plate to the nose.

model.cylinder("bushing", BUSHING_D / 2, BUSHING_L + BRACKET_T, at=(0, front, AXIS), direction=(0, -1, 0), op="new", body="bushing_body",

name="Bushing")

# Plunger (polyacetal, white): out of the bushing's nose.

model.cylinder("plunger", PLUNGER_D / 2, PLUNGER_OUT, at=(0, nose, AXIS), direction=(0, -1, 0), op="new", body="plunger_body",

name="Plunger")

# Support bracket (tin plated phosphor bronze, 0.5): a front plate round the bushing, a bottom plate under the housing's front part,

# and two legs 0.6 x 0.4 under terminals 1 and 3, 5.08 in front of the terminals' row.

model.box("bracket_plate", BODY_W, BRACKET_T, BODY_H, at=(0, plate + BRACKET_T / 2, BODY_H / 2), op="new", body="bracket_body",

name="Bracket front plate")

model.cylinder("bracket_hole", BUSHING_D / 2, BRACKET_T + 0.2, at=(0, plate + BRACKET_T + 0.1, AXIS), direction=(0, -1, 0), op="cut",

body="bracket_body", name="Bushing hole")

model.box("bracket_bottom", HOUSING_W, leg_back - front + 0.01, BRACKET_T, at=(0, (leg_back + front) / 2 - 0.005, BRACKET_T / 2), op="join",

body="bracket_body", name="Bracket bottom plate")

for i, sx in enumerate((-1, 1)):

model.box(f"leg_{i + 1}", LEG_W, LEG_T, TAIL + 0.01, at=(sx * LEG_X / 2, -LEG_Y, -(TAIL - 0.01) / 2), op="join", body="bracket_body",

name="Bracket leg")

# Terminals 1-3 (copper alloy, gold plated): round wire 0.6 dia. out of the rear face at EXIT_Z, back to the row and down to the tip.

pins = []

for i, x in enumerate((-PITCH, 0.0, PITCH)):

body = f"terminal_{i + 1}_body"

model.cylinder(f"terminal_{i + 1}_run", PIN_D / 2, REAR + PIN_D / 2, at=(x, -REAR, EXIT_Z), direction=(0, 1, 0), op="new", body=body,

name=f"Terminal {i + 1}")

model.cylinder(f"terminal_{i + 1}_down", PIN_D / 2, EXIT_Z + TAIL, at=(x, 0, -TAIL), op="join", body=body, name=f"Terminal {i + 1} tail")

pins.append(body)

if cap != "none":

# Slip-on cap (polyamide): its face CAP_FACE in front of the bushing's nose, over the plunger's end.

model.cylinder("cap", CAPS[cap] / 2, CAP_L, at=(0, nose - CAP_FACE, AXIS), direction=(0, 1, 0), op="new", body="cap_body",

name="Cap")

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tip = nose - PLUNGER_OUT

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model.cylinder("cap_bore", PLUNGER_D / 2, nose - CAP_FACE + CAP_L - tip, at=(0, tip, AXIS), direction=(0, 1, 0), op="cut",

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body="cap_body", name="Cap bore")

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# Materials from page C13: housing glass fibre reinforced polyamide and bushing carbon blended polyamide (pa6, black), plunger

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# polyacetal (pom-copolymer, white), bracket tin plated phosphor bronze (copper-c51000), terminals copper alloy, gold plated (copper);

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# caps polyamide (pa6) in their colour.

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model.material("pa6", bodies=["housing_body"], color="#2a2b2e")

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model.material("pa6", bodies=["bushing_body"], color="#1d1e20")

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model.material("pom-copolymer", bodies=["plunger_body"], color="#ecebe6")

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model.material("copper-c51000", bodies=["bracket_body"], color="#c9ccd0")

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model.material("copper", bodies=pins, color="#d8b25a")

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if cap != "none":

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model.material("pa6", bodies=["cap_body"], color=SHADES[cap_color])

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result = model.result()

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"""Right-angle through-hole subminiature pushbutton, NKK Series BB, BB15AH (single pole, SPDT, momentary, right-angle PC terminals with a
support bracket), with or without a slip-on cap. The origin is terminal 2 (COM) on the board's top face (the XY plane); terminals 1, 2
and 3 lie along X, 2.54 apart; the plunger points along -Y, its axis 3.4 above the board. Dimensions from NKK's Series BB sheet, in the
README."""
from steve import Model

kind = "BB15AH"  # Type
cap = "none"  # Slip-on cap: none, F (AT475, 5.1 dia.) or H (AT496, 7.5 dia.)
cap_color = "black"  # Cap colour: black, white or red

# NKK "Series BB, Process Sealed Subminiature Antistatic Pushbuttons", catalogue pages C12 to C17 (PDF of 2016-10-25,
# nkkswitches.com/pdf/Bpushbuttons.pdf), in inches (mm); the mm values are used.
#   Page C17, Typical Switch Dimensions, Single Pole, Right Angle PC (BB15AH-FA): body (8.8) .346 wide and (7.3) .287 high; bushing
#   (6.0) dia. .236, (2.7) .106 long; plunger (2.8) dia. .110, (5.4) .213 out of the bushing; (13.9) .546 from the bushing's nose to
#   the terminals' row; plunger axis (3.4) .134 above the board; terminals (2.54) .100 apart, (0.6) dia. .024, (3.1) .122 below the
#   board; bracket legs (5.08) .200 in front of the terminals, (5.08) .200 apart (under terminals 1 and 3), (0.4) .016 thick;
#   F cap (5.1) dia. .201, (4.0) .157 long, its face (6.3) .248 from the bushing's nose.
#   Page C15, PC Terminals, H Right Angle with Bracket: terminals (0.6) dia. .024; bracket legs (0.6) .024 wide, (0.4) .016 thick;
#   bracket (0.5) .020 thick. Slip-On Caps: F AT475, (5.1) dia. .201; H AT496, (7.5) dia. .295; both (6.3) .248 from the bushing,
#   (4.0) .157 long; polyamide; black, white or red.
TYPES = {"BB15AH": 3}  # terminals
BODY_W = 8.8
BODY_H = 7.3
BUSHING_D = 6.0
BUSHING_L = 2.7
PLUNGER_D = 2.8
PLUNGER_OUT = 5.4
NOSE = 13.9
AXIS = 3.4
PITCH = 2.54
PIN_D = 0.6
TAIL = 3.1
LEG_Y = 5.08
LEG_X = 5.08
LEG_W = 0.6
LEG_T = 0.4
BRACKET_T = 0.5
CAPS = {"F": 5.1, "H": 7.5}
CAP_FACE = 6.3
CAP_L = 4.0
SHADES = {"black": "#222325", "white": "#ecebe6", "red": "#c8202a"}
# Proportions, for looks only (the sheet doesn't dimension them; scaled from the C17 side and rear views, README): the housing's width,
# the front part's height and length, where the housing's underside and the terminals' exit are, and the rear face's distance from
# the terminals' row.
HOUSING_W = 8.0
FRONT_TOP = 6.6
STEP = 6.0       # the front part ends this far in front of the terminals' row; the taller rear block runs from there to the back
REAR = 0.8       # the rear face, in front of the terminals' row
EXIT_Z = 2.5     # the terminals leave the rear face this high, run back to their row and bend down

if kind not in TYPES:
    raise ValueError(f"no type {kind!r}: {', '.join(TYPES)}")
if cap != "none" and cap not in CAPS:
    raise ValueError(f"no cap {cap!r}: none, {', '.join(CAPS)}")
if cap_color not in SHADES:
    raise ValueError(f"no cap colour {cap_color!r}: {', '.join(SHADES)}")
nose = -NOSE
plate = nose + BUSHING_L            # the bracket's front plate starts behind the bushing
front = plate + BRACKET_T           # the housing's front face
bottom = BRACKET_T                  # the housing's front part stands on the bracket's bottom plate

model = Model()
# Housing (glass fibre reinforced polyamide): a front part over the bracket and a taller rear block down to the board.
model.box("housing_front", HOUSING_W, -STEP - front, FRONT_TOP - bottom, at=(0, (front - STEP) / 2, (FRONT_TOP + bottom) / 2), op="new",
          body="housing_body", name="Housing")
model.box("housing_rear", HOUSING_W, STEP - REAR + 0.01, BODY_H - bottom, at=(0, (-STEP - REAR) / 2 - 0.005, (BODY_H + bottom) / 2),
          op="join", body="housing_body", name="Rear block")
leg_back = -LEG_Y + LEG_T / 2       # the bracket's bottom plate ends behind the legs; the rear block reaches the board behind it
model.box("housing_foot", HOUSING_W, -REAR - leg_back, bottom + 0.01, at=(0, (leg_back - REAR) / 2, (bottom + 0.01) / 2), op="join",
          body="housing_body", name="Rear foot")
# Bushing (carbon blended polyamide), from the bracket's plate to the nose.
model.cylinder("bushing", BUSHING_D / 2, BUSHING_L + BRACKET_T, at=(0, front, AXIS), direction=(0, -1, 0), op="new", body="bushing_body",
               name="Bushing")
# Plunger (polyacetal, white): out of the bushing's nose.
model.cylinder("plunger", PLUNGER_D / 2, PLUNGER_OUT, at=(0, nose, AXIS), direction=(0, -1, 0), op="new", body="plunger_body",
               name="Plunger")
# Support bracket (tin plated phosphor bronze, 0.5): a front plate round the bushing, a bottom plate under the housing's front part,
# and two legs 0.6 x 0.4 under terminals 1 and 3, 5.08 in front of the terminals' row.
model.box("bracket_plate", BODY_W, BRACKET_T, BODY_H, at=(0, plate + BRACKET_T / 2, BODY_H / 2), op="new", body="bracket_body",
          name="Bracket front plate")
model.cylinder("bracket_hole", BUSHING_D / 2, BRACKET_T + 0.2, at=(0, plate + BRACKET_T + 0.1, AXIS), direction=(0, -1, 0), op="cut",
               body="bracket_body", name="Bushing hole")
model.box("bracket_bottom", HOUSING_W, leg_back - front + 0.01, BRACKET_T, at=(0, (leg_back + front) / 2 - 0.005, BRACKET_T / 2), op="join",
          body="bracket_body", name="Bracket bottom plate")
for i, sx in enumerate((-1, 1)):
    model.box(f"leg_{i + 1}", LEG_W, LEG_T, TAIL + 0.01, at=(sx * LEG_X / 2, -LEG_Y, -(TAIL - 0.01) / 2), op="join", body="bracket_body",
              name="Bracket leg")
# Terminals 1-3 (copper alloy, gold plated): round wire 0.6 dia. out of the rear face at EXIT_Z, back to the row and down to the tip.
pins = []
for i, x in enumerate((-PITCH, 0.0, PITCH)):
    body = f"terminal_{i + 1}_body"
    model.cylinder(f"terminal_{i + 1}_run", PIN_D / 2, REAR + PIN_D / 2, at=(x, -REAR, EXIT_Z), direction=(0, 1, 0), op="new", body=body,
                   name=f"Terminal {i + 1}")
    model.cylinder(f"terminal_{i + 1}_down", PIN_D / 2, EXIT_Z + TAIL, at=(x, 0, -TAIL), op="join", body=body, name=f"Terminal {i + 1} tail")
    pins.append(body)
if cap != "none":
    # Slip-on cap (polyamide): its face CAP_FACE in front of the bushing's nose, over the plunger's end.
    model.cylinder("cap", CAPS[cap] / 2, CAP_L, at=(0, nose - CAP_FACE, AXIS), direction=(0, 1, 0), op="new", body="cap_body",
                   name="Cap")
    tip = nose - PLUNGER_OUT
    model.cylinder("cap_bore", PLUNGER_D / 2, nose - CAP_FACE + CAP_L - tip, at=(0, tip, AXIS), direction=(0, 1, 0), op="cut",
                   body="cap_body", name="Cap bore")
# Materials from page C13: housing glass fibre reinforced polyamide and bushing carbon blended polyamide (pa6, black), plunger
# polyacetal (pom-copolymer, white), bracket tin plated phosphor bronze (copper-c51000), terminals copper alloy, gold plated (copper);
# caps polyamide (pa6) in their colour.
model.material("pa6", bodies=["housing_body"], color="#2a2b2e")
model.material("pa6", bodies=["bushing_body"], color="#1d1e20")
model.material("pom-copolymer", bodies=["plunger_body"], color="#ecebe6")
model.material("copper-c51000", bodies=["bracket_body"], color="#c9ccd0")
model.material("copper", bodies=pins, color="#d8b25a")
if cap != "none":
    model.material("pa6", bodies=["cap_body"], color=SHADES[cap_color])
result = model.result()

pypart.toml 77 lines · TOML

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name = "steve/right-angle-pushbutton-tht"

version = "1.0.0"

runtime = "steve"

license = "MIT"

summary = "Right-angle subminiature pushbutton from NKK's Series BB sheet: BB15AH, SPDT momentary, with a support bracket, without a cap or with a 5.1 or 7.5 mm slip-on cap."

description = """Right-angle through-hole subminiature pushbutton, NKK BB15AH (SPDT, momentary), from NKK's Series BB sheet (pages C13, C15, C17): body 8.8 wide and 7.3 high, a 6.0 dia. bushing, a 2.8 dia. plunger 5.4 out, its axis 3.4 above the board; three 0.6 dia. terminals 2.54 apart, 13.9 behind the bushing's nose; a support bracket with two legs 5.08 in front of them; 3.1 below the board. Optional slip-on cap F (5.1 dia.) or H (7.5 dia.) in black, white or red (BB15AH-FA ... -HC). See the README."""

tags = ["pushbutton", "push-button", "switch", "through-hole", "right-angle", "nkk", "spdt", "electronics"]

[parameters.kind]

type = "choice"

default = "BB15AH"

choices = ["BB15AH"]

label = "Type"

[parameters.cap]

type = "choice"

default = "none"

choices = ["none", "F", "H"]

label = "Slip-on cap"

description = "none; F: AT475, 5.1 mm dia.; H: AT496, 7.5 mm dia. (reaches below the board's face: mount at the board's edge)."

[parameters.cap_color]

type = "choice"

default = "black"

choices = ["black", "white", "red"]

label = "Cap colour"

description = "Cap colour (part number letter A, B or C)."

[[presets]]

id = "bb15ah"

title = "NKK BB15AH, right-angle subminiature pushbutton, SPDT momentary"

params = { cap = "none" }

aliases = ["NKK BB15AH", "BB15AH"]

standard = "NKK BB"

[[presets]]

id = "bb15ah-fa"

title = "NKK BB15AH-FA, right-angle subminiature pushbutton, SPDT momentary, black 5.1 mm cap"

params = { cap = "F", cap_color = "black" }

aliases = ["NKK BB15AH-FA", "BB15AH-FA"]

standard = "NKK BB"

[[presets]]

id = "bb15ah-fb"

title = "NKK BB15AH-FB, right-angle subminiature pushbutton, SPDT momentary, white 5.1 mm cap"

params = { cap = "F", cap_color = "white" }

aliases = ["NKK BB15AH-FB", "BB15AH-FB"]

standard = "NKK BB"

[[presets]]

id = "bb15ah-fc"

title = "NKK BB15AH-FC, right-angle subminiature pushbutton, SPDT momentary, red 5.1 mm cap"

params = { cap = "F", cap_color = "red" }

aliases = ["NKK BB15AH-FC", "BB15AH-FC"]

standard = "NKK BB"

[[presets]]

id = "bb15ah-ha"

title = "NKK BB15AH-HA, right-angle subminiature pushbutton, SPDT momentary, black 7.5 mm cap"

params = { cap = "H", cap_color = "black" }

aliases = ["NKK BB15AH-HA", "BB15AH-HA"]

standard = "NKK BB"

[[presets]]

id = "bb15ah-hb"

title = "NKK BB15AH-HB, right-angle subminiature pushbutton, SPDT momentary, white 7.5 mm cap"

params = { cap = "H", cap_color = "white" }

aliases = ["NKK BB15AH-HB", "BB15AH-HB"]

standard = "NKK BB"

[[presets]]

id = "bb15ah-hc"

title = "NKK BB15AH-HC, right-angle subminiature pushbutton, SPDT momentary, red 7.5 mm cap"

params = { cap = "H", cap_color = "red" }

aliases = ["NKK BB15AH-HC", "BB15AH-HC"]

standard = "NKK BB"

name = "steve/right-angle-pushbutton-tht"
version = "1.0.0"
runtime = "steve"
license = "MIT"
summary = "Right-angle subminiature pushbutton from NKK's Series BB sheet: BB15AH, SPDT momentary, with a support bracket, without a cap or with a 5.1 or 7.5 mm slip-on cap."
description = """Right-angle through-hole subminiature pushbutton, NKK BB15AH (SPDT, momentary), from NKK's Series BB sheet (pages C13, C15, C17): body 8.8 wide and 7.3 high, a 6.0 dia. bushing, a 2.8 dia. plunger 5.4 out, its axis 3.4 above the board; three 0.6 dia. terminals 2.54 apart, 13.9 behind the bushing's nose; a support bracket with two legs 5.08 in front of them; 3.1 below the board. Optional slip-on cap F (5.1 dia.) or H (7.5 dia.) in black, white or red (BB15AH-FA ... -HC). See the README."""
tags = ["pushbutton", "push-button", "switch", "through-hole", "right-angle", "nkk", "spdt", "electronics"]

[parameters.kind]
type = "choice"
default = "BB15AH"
choices = ["BB15AH"]
label = "Type"

[parameters.cap]
type = "choice"
default = "none"
choices = ["none", "F", "H"]
label = "Slip-on cap"
description = "none; F: AT475, 5.1 mm dia.; H: AT496, 7.5 mm dia. (reaches below the board's face: mount at the board's edge)."

[parameters.cap_color]
type = "choice"
default = "black"
choices = ["black", "white", "red"]
label = "Cap colour"
description = "Cap colour (part number letter A, B or C)."

[[presets]]
id = "bb15ah"
title = "NKK BB15AH, right-angle subminiature pushbutton, SPDT momentary"
params = { cap = "none" }
aliases = ["NKK BB15AH", "BB15AH"]
standard = "NKK BB"

[[presets]]
id = "bb15ah-fa"
title = "NKK BB15AH-FA, right-angle subminiature pushbutton, SPDT momentary, black 5.1 mm cap"
params = { cap = "F", cap_color = "black" }
aliases = ["NKK BB15AH-FA", "BB15AH-FA"]
standard = "NKK BB"

[[presets]]
id = "bb15ah-fb"
title = "NKK BB15AH-FB, right-angle subminiature pushbutton, SPDT momentary, white 5.1 mm cap"
params = { cap = "F", cap_color = "white" }
aliases = ["NKK BB15AH-FB", "BB15AH-FB"]
standard = "NKK BB"

[[presets]]
id = "bb15ah-fc"
title = "NKK BB15AH-FC, right-angle subminiature pushbutton, SPDT momentary, red 5.1 mm cap"
params = { cap = "F", cap_color = "red" }
aliases = ["NKK BB15AH-FC", "BB15AH-FC"]
standard = "NKK BB"

[[presets]]
id = "bb15ah-ha"
title = "NKK BB15AH-HA, right-angle subminiature pushbutton, SPDT momentary, black 7.5 mm cap"
params = { cap = "H", cap_color = "black" }
aliases = ["NKK BB15AH-HA", "BB15AH-HA"]
standard = "NKK BB"

[[presets]]
id = "bb15ah-hb"
title = "NKK BB15AH-HB, right-angle subminiature pushbutton, SPDT momentary, white 7.5 mm cap"
params = { cap = "H", cap_color = "white" }
aliases = ["NKK BB15AH-HB", "BB15AH-HB"]
standard = "NKK BB"

[[presets]]
id = "bb15ah-hc"
title = "NKK BB15AH-HC, right-angle subminiature pushbutton, SPDT momentary, red 7.5 mm cap"
params = { cap = "H", cap_color = "red" }
aliases = ["NKK BB15AH-HC", "BB15AH-HC"]
standard = "NKK BB"

README.md 48 lines · Markdown

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Right-angle subminiature pushbutton

A right-angle through-hole subminiature pushbutton, NKK's Series BB BB15AH: single pole, SPDT, momentary, with right-angle PC terminals and a support bracket. It has a black housing, a round bushing with a white plunger, a metal bracket with two legs, three wire terminals, and an optional slip-on cap.

The origin is terminal 2 (COM), on the board's top face (the XY plane). Terminals 1, 2 and 3 lie along X, 2.54 apart. The plunger points along -Y, and its axis is 3.4 above the board.

cap is the slip-on cap: none (BB15AH), F (AT475, 5.1 dia.) or H (AT496, 7.5 dia.). cap_color is its colour, the part number's last letter: A black, B white, C red (for example BB15AH-FA).

The body is 8.8 wide and 7.3 high.
The bushing is 6.0 dia. and 2.7 long. The plunger is 2.8 dia. and comes 5.4 out of the bushing's nose.
The terminals are 0.6 dia., 2.54 apart, and 13.9 behind the bushing's nose. They reach 3.1 below the board.
The bracket is 0.5 thick. Its two legs are 0.6 wide and 0.4 thick, 5.08 in front of the terminals and 5.08 apart, under terminals 1 and 3.
A cap's face is 6.3 in front of the bushing's nose, and the cap is 4.0 long. The 7.5 cap reaches 0.35 below the board's face, so a switch with it sits at the board's edge.

Source

NKK Switches, Series BB, Process Sealed Subminiature Antistatic Pushbuttons, catalogue pages C12 to C17 (PDF of 2016-10-25), from NKK's own site, https://www.nkkswitches.com/pdf/Bpushbuttons.pdf. Dimensions are in inches (mm); the mm values are used here.

Page C17, Typical Switch Dimensions, Single Pole, Right Angle PC (drawn as BB15AH-FA): body (8.8) .346 wide and (7.3) .287 high; bushing (6.0) dia. .236 and (2.7) .106 long; plunger (2.8) dia. .110, (5.4) .213 out of the bushing; (13.9) .546 from the bushing's nose to the terminals; plunger axis (3.4) .134 above the board; terminals (2.54) .100 apart, (0.6) dia. .024, (3.1) .122 below the board; bracket legs (5.08) .200 in front of the terminals and (5.08) .200 apart, (0.4) .016 thick; cap (5.1) dia. .201 and (4.0) .157 long, its face (6.3) .248 from the bushing's nose.
Page C15, PC Terminals, H Right Angle with Bracket: terminals (0.6) dia. .024; bracket legs (0.6) .024 wide and (0.4) .016 thick; bracket (0.5) .020 thick. Slip-On Caps: F AT475, (5.1) dia. .201; H AT496, (7.5) dia. .295; both (6.3) .248 from the bushing and (4.0) .157 long, polyamide, black, white or red.
Page C14, Typical Switch Ordering Example: BB15AH-FA is SPDT, ON-(ON) circuit, a .213" (5.4mm) long white plunger (A), right angle PC terminals with bracket (H), and a black .201" (5.1mm) diameter cap (F, A); caps F .201" (5.1mm) or H .295" (7.5mm) diameter.
Page C13, Materials & Finishes: plunger polyacetal; bushing carbon blended polyamide; case housing glass fiber reinforced polyamide; support bracket tin plated phosphor bronze; terminals copper alloy with gold plating. Page C15: standard plunger colour white.

The sheet gives no weight.

Proportions, for looks only. The sheet doesn't dimension the following. They are scaled from page C17's side and rear views:

The housing, 8.0 wide; the bracket's front plate is the 8.8 width.
The housing's front part, 6.6 high, from the bracket's front plate to 6.0 in front of the terminals, standing on the bracket's bottom plate. Behind it, the rear block is the full 7.3 high and reaches the board behind the legs.
The rear face, 0.8 in front of the terminals. The terminals leave it 2.5 above the board, run back to their row and bend down.
The bracket is drawn as a front plate round the bushing and a bottom plate to the legs. The legs are straight, without the drawing's snap-in kink.

Materials follow page C13: the housing and bushing polyamide (pa6, black), the plunger polyacetal (pom-copolymer, white), the bracket phosphor bronze (copper-c51000, tin coloured), the terminals copper alloy (copper, gold coloured), and the caps polyamide (pa6) in their colour. Mass check: the sheet states no weight. As modelled, BB15AH is 0.60 g housing + 0.10 g bushing + 0.37 g bracket + 0.05 g plunger + 0.05 g terminals = 1.17 g.

Catalogue models

The old SW NKK BB15AH model names this part, so it maps to BB15AH. It was measured on the reference model (2026-11-06). It carries a 5.1 mm cap, which BB15AH has no letter for (that is BB15AH-F_), and its body is a plain block. The width, height, terminals and legs agree with the sheet.

	Old model	NKK sheet
Body	a block 8.8 wide, 7.3 high, 12.7 long, out to 13.9 in front of the terminals	8.8 wide, 7.3 high; a 6.0 dia. bushing 2.7 long in front, its nose 13.9 in front of the terminals
Plunger axis	3.65 above the board	3.4
Cap	5.1 dia., 4.0 long, its face 20.2 in front of the terminals	none on BB15AH; F cap 5.1 dia., 4.0 long, its face 6.3 + 13.9 = 20.2 in front
Terminals	0.6 square, 2.54 apart, 3.1 below the board	0.6 dia., 2.54 apart, 3.1 below
Bracket legs	0.6 x 0.4, 5.08 in front of the terminals, under terminals 1 and 3	the same

The family's other switches (DIP switches, slide switches, tactile switches) are other parts. See COVERAGE.md.

# Right-angle subminiature pushbutton

The origin is terminal 2 (COM), on the board's top face (the XY plane). Terminals 1, 2 and 3 lie along X, 2.54 apart. The plunger points along -Y, and its axis is 3.4 above the board.

`cap` is the slip-on cap: none (BB15AH), F (AT475, 5.1 dia.) or H (AT496, 7.5 dia.). `cap_color` is its colour, the part number's last letter: A black, B white, C red (for example BB15AH-FA).

- The body is 8.8 wide and 7.3 high.

- The bushing is 6.0 dia. and 2.7 long. The plunger is 2.8 dia. and comes 5.4 out of the bushing's nose.

- The terminals are 0.6 dia., 2.54 apart, and 13.9 behind the bushing's nose. They reach 3.1 below the board.

- The bracket is 0.5 thick. Its two legs are 0.6 wide and 0.4 thick, 5.08 in front of the terminals and 5.08 apart, under terminals 1 and 3.

- A cap's face is 6.3 in front of the bushing's nose, and the cap is 4.0 long. The 7.5 cap reaches 0.35 below the board's face, so a switch with it sits at the board's edge.

## Source

NKK Switches, *Series BB, Process Sealed Subminiature Antistatic Pushbuttons*, catalogue pages C12 to C17 (PDF of 2016-10-25), from NKK's own site, <https://www.nkkswitches.com/pdf/Bpushbuttons.pdf>. Dimensions are in inches (mm); the mm values are used here.

- Page C17, Typical Switch Dimensions, Single Pole, Right Angle PC (drawn as BB15AH-FA): body (8.8) .346 wide and (7.3) .287 high; bushing (6.0) dia. .236 and (2.7) .106 long; plunger (2.8) dia. .110, (5.4) .213 out of the bushing; (13.9) .546 from the bushing's nose to the terminals; plunger axis (3.4) .134 above the board; terminals (2.54) .100 apart, (0.6) dia. .024, (3.1) .122 below the board; bracket legs (5.08) .200 in front of the terminals and (5.08) .200 apart, (0.4) .016 thick; cap (5.1) dia. .201 and (4.0) .157 long, its face (6.3) .248 from the bushing's nose.

- Page C15, PC Terminals, H Right Angle with Bracket: terminals (0.6) dia. .024; bracket legs (0.6) .024 wide and (0.4) .016 thick; bracket (0.5) .020 thick. Slip-On Caps: F AT475, (5.1) dia. .201; H AT496, (7.5) dia. .295; both (6.3) .248 from the bushing and (4.0) .157 long, polyamide, black, white or red.

- Page C14, Typical Switch Ordering Example: BB15AH-FA is SPDT, ON-(ON) circuit, a .213" (5.4mm) long white plunger (A), right angle PC terminals with bracket (H), and a black .201" (5.1mm) diameter cap (F, A); caps F .201" (5.1mm) or H .295" (7.5mm) diameter.

- Page C13, Materials & Finishes: plunger polyacetal; bushing carbon blended polyamide; case housing glass fiber reinforced polyamide; support bracket tin plated phosphor bronze; terminals copper alloy with gold plating. Page C15: standard plunger colour white.

The sheet gives no weight.

**Proportions, for looks only.** The sheet doesn't dimension the following. They are scaled from page C17's side and rear views:

- The housing, 8.0 wide; the bracket's front plate is the 8.8 width.

- The housing's front part, 6.6 high, from the bracket's front plate to 6.0 in front of the terminals, standing on the bracket's bottom plate. Behind it, the rear block is the full 7.3 high and reaches the board behind the legs.

- The rear face, 0.8 in front of the terminals. The terminals leave it 2.5 above the board, run back to their row and bend down.

- The bracket is drawn as a front plate round the bushing and a bottom plate to the legs. The legs are straight, without the drawing's snap-in kink.

Materials follow page C13: the housing and bushing polyamide (`pa6`, black), the plunger polyacetal (`pom-copolymer`, white), the bracket phosphor bronze (`copper-c51000`, tin coloured), the terminals copper alloy (`copper`, gold coloured), and the caps polyamide (`pa6`) in their colour. **Mass check:** the sheet states no weight. As modelled, BB15AH is 0.60 g housing + 0.10 g bushing + 0.37 g bracket + 0.05 g plunger + 0.05 g terminals = 1.17 g.

## Catalogue models

The old `SW NKK BB15AH` model names this part, so it maps to BB15AH. It was measured on the reference model (2026-11-06). It carries a 5.1 mm cap, which BB15AH has no letter for (that is BB15AH-F_), and its body is a plain block. The width, height, terminals and legs agree with the sheet.

| | Old model | NKK sheet |

|---|---|---|

| Body | a block 8.8 wide, 7.3 high, 12.7 long, out to 13.9 in front of the terminals | 8.8 wide, 7.3 high; a 6.0 dia. bushing 2.7 long in front, its nose 13.9 in front of the terminals |

| Plunger axis | 3.65 above the board | 3.4 |

| Cap | 5.1 dia., 4.0 long, its face 20.2 in front of the terminals | none on BB15AH; F cap 5.1 dia., 4.0 long, its face 6.3 + 13.9 = 20.2 in front |

| Terminals | 0.6 square, 2.54 apart, 3.1 below the board | 0.6 dia., 2.54 apart, 3.1 below |

| Bracket legs | 0.6 x 0.4, 5.08 in front of the terminals, under terminals 1 and 3 | the same |

The family's other switches (DIP switches, slide switches, tactile switches) are other parts. See `COVERAGE.md`.

# Right-angle subminiature pushbutton

A right-angle through-hole subminiature pushbutton, NKK's Series BB BB15AH: single pole, SPDT, momentary, with right-angle PC terminals and a support bracket. It has a black housing, a round bushing with a white plunger, a metal bracket with two legs, three wire terminals, and an optional slip-on cap.

The origin is terminal 2 (COM), on the board's top face (the XY plane). Terminals 1, 2 and 3 lie along X, 2.54 apart. The plunger points along -Y, and its axis is 3.4 above the board.

`cap` is the slip-on cap: none (BB15AH), F (AT475, 5.1 dia.) or H (AT496, 7.5 dia.). `cap_color` is its colour, the part number's last letter: A black, B white, C red (for example BB15AH-FA).

- The body is 8.8 wide and 7.3 high.
- The bushing is 6.0 dia. and 2.7 long. The plunger is 2.8 dia. and comes 5.4 out of the bushing's nose.
- The terminals are 0.6 dia., 2.54 apart, and 13.9 behind the bushing's nose. They reach 3.1 below the board.
- The bracket is 0.5 thick. Its two legs are 0.6 wide and 0.4 thick, 5.08 in front of the terminals and 5.08 apart, under terminals 1 and 3.
- A cap's face is 6.3 in front of the bushing's nose, and the cap is 4.0 long. The 7.5 cap reaches 0.35 below the board's face, so a switch with it sits at the board's edge.

## Source

NKK Switches, *Series BB, Process Sealed Subminiature Antistatic Pushbuttons*, catalogue pages C12 to C17 (PDF of 2016-10-25), from NKK's own site, <https://www.nkkswitches.com/pdf/Bpushbuttons.pdf>. Dimensions are in inches (mm); the mm values are used here.

- Page C17, Typical Switch Dimensions, Single Pole, Right Angle PC (drawn as BB15AH-FA): body (8.8) .346 wide and (7.3) .287 high; bushing (6.0) dia. .236 and (2.7) .106 long; plunger (2.8) dia. .110, (5.4) .213 out of the bushing; (13.9) .546 from the bushing's nose to the terminals; plunger axis (3.4) .134 above the board; terminals (2.54) .100 apart, (0.6) dia. .024, (3.1) .122 below the board; bracket legs (5.08) .200 in front of the terminals and (5.08) .200 apart, (0.4) .016 thick; cap (5.1) dia. .201 and (4.0) .157 long, its face (6.3) .248 from the bushing's nose.
- Page C15, PC Terminals, H Right Angle with Bracket: terminals (0.6) dia. .024; bracket legs (0.6) .024 wide and (0.4) .016 thick; bracket (0.5) .020 thick. Slip-On Caps: F AT475, (5.1) dia. .201; H AT496, (7.5) dia. .295; both (6.3) .248 from the bushing and (4.0) .157 long, polyamide, black, white or red.
- Page C14, Typical Switch Ordering Example: BB15AH-FA is SPDT, ON-(ON) circuit, a .213" (5.4mm) long white plunger (A), right angle PC terminals with bracket (H), and a black .201" (5.1mm) diameter cap (F, A); caps F .201" (5.1mm) or H .295" (7.5mm) diameter.
- Page C13, Materials & Finishes: plunger polyacetal; bushing carbon blended polyamide; case housing glass fiber reinforced polyamide; support bracket tin plated phosphor bronze; terminals copper alloy with gold plating. Page C15: standard plunger colour white.

The sheet gives no weight.

**Proportions, for looks only.** The sheet doesn't dimension the following. They are scaled from page C17's side and rear views:

- The housing, 8.0 wide; the bracket's front plate is the 8.8 width.
- The housing's front part, 6.6 high, from the bracket's front plate to 6.0 in front of the terminals, standing on the bracket's bottom plate. Behind it, the rear block is the full 7.3 high and reaches the board behind the legs.
- The rear face, 0.8 in front of the terminals. The terminals leave it 2.5 above the board, run back to their row and bend down.
- The bracket is drawn as a front plate round the bushing and a bottom plate to the legs. The legs are straight, without the drawing's snap-in kink.

Materials follow page C13: the housing and bushing polyamide (`pa6`, black), the plunger polyacetal (`pom-copolymer`, white), the bracket phosphor bronze (`copper-c51000`, tin coloured), the terminals copper alloy (`copper`, gold coloured), and the caps polyamide (`pa6`) in their colour. **Mass check:** the sheet states no weight. As modelled, BB15AH is 0.60 g housing + 0.10 g bushing + 0.37 g bracket + 0.05 g plunger + 0.05 g terminals = 1.17 g.

## Catalogue models

The old `SW NKK BB15AH` model names this part, so it maps to BB15AH. It was measured on the reference model (2026-11-06). It carries a 5.1 mm cap, which BB15AH has no letter for (that is BB15AH-F_), and its body is a plain block. The width, height, terminals and legs agree with the sheet.

| | Old model | NKK sheet |
|---|---|---|
| Body | a block 8.8 wide, 7.3 high, 12.7 long, out to 13.9 in front of the terminals | 8.8 wide, 7.3 high; a 6.0 dia. bushing 2.7 long in front, its nose 13.9 in front of the terminals |
| Plunger axis | 3.65 above the board | 3.4 |
| Cap | 5.1 dia., 4.0 long, its face 20.2 in front of the terminals | none on BB15AH; F cap 5.1 dia., 4.0 long, its face 6.3 + 13.9 = 20.2 in front |
| Terminals | 0.6 square, 2.54 apart, 3.1 below the board | 0.6 dia., 2.54 apart, 3.1 below |
| Bracket legs | 0.6 x 0.4, 5.08 in front of the terminals, under terminals 1 and 3 | the same |

The family's other switches (DIP switches, slide switches, tactile switches) are other parts. See `COVERAGE.md`.

Use this part

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Get the code

curl -o part.py "https://pythonparts.org/p/steve/right-angle-pushbutton-tht/v/1.0.0/raw/part.py"

Raw files, bundle and API

part.py
pypart.toml
README.md
bundle.tar.gzthe package, as published

curl "https://pythonparts.org/api/v1/parts/steve/right-angle-pushbutton-tht/1.0.0"

The version's JSON (parameters, presets, files); add /build?name=value for a build at other values.

About this part

steve132 parts

Profile

Polyamide 6 (nylon 6)Plastics · Custom finish · 1.15 g/cm³
Polyamide 6 (nylon 6)Plastics · Custom finish · 1.15 g/cm³
Acetal copolymer (POM-C)Plastics · Custom finish · 1.41 g/cm³
Phosphor bronze C51000 (CuSn5), spring temperCopper alloys · Custom finish · 8.86 g/cm³
Copper (pure)Copper alloys · Custom finish · 8.96 g/cm³

Mass: 1.19 g

At the parameters shown in the viewer, 7 bodies.

License: MIT

Permissive: use, change and sell it; keep the copyright notice.

Runtime: STEVE
Requirements: None stated in the code
Built with: CadQuery 2.9.0.dev0
Published: Nov 6, 2026
Downloads: 0
Builds: 0
Stars: 0
Bundle: eb9792babac9…

#pushbutton #push-button #switch #through-hole #right-angle #nkk #spdt #electronics

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Right-angle through-hole subminiature pushbutton, NKK BB15AH (SPDT, momentary), from NKK's Series BB sheet (pages C13, C15, C17): body 8.8 wide and 7.3 high, a 6.0 dia. bushing, a 2.8 dia. plunger 5.4 out, its axis 3.4 above the board; three 0.6 dia. terminals 2.54 apart, 13.9 behind the bushing's nose; a support bracket with two legs 5.08 in front of them; 3.1 below the board. Optional slip-on cap F (5.1 dia.) or H (7.5 dia.) in black, white or red (BB15AH-FA ... -HC). See the README.

Right-angle subminiature pushbutton

The origin is terminal 2 (COM), on the board's top face (the XY plane). Terminals 1, 2 and 3 lie along X, 2.54 apart. The plunger points along -Y, and its axis is 3.4 above the board.

cap is the slip-on cap: none (BB15AH), F (AT475, 5.1 dia.) or H (AT496, 7.5 dia.). cap_color is its colour, the part number's last letter: A black, B white, C red (for example BB15AH-FA).

The body is 8.8 wide and 7.3 high.
The bushing is 6.0 dia. and 2.7 long. The plunger is 2.8 dia. and comes 5.4 out of the bushing's nose.
The terminals are 0.6 dia., 2.54 apart, and 13.9 behind the bushing's nose. They reach 3.1 below the board.
The bracket is 0.5 thick. Its two legs are 0.6 wide and 0.4 thick, 5.08 in front of the terminals and 5.08 apart, under terminals 1 and 3.
A cap's face is 6.3 in front of the bushing's nose, and the cap is 4.0 long. The 7.5 cap reaches 0.35 below the board's face, so a switch with it sits at the board's edge.

Source

Page C17, Typical Switch Dimensions, Single Pole, Right Angle PC (drawn as BB15AH-FA): body (8.8) .346 wide and (7.3) .287 high; bushing (6.0) dia. .236 and (2.7) .106 long; plunger (2.8) dia. .110, (5.4) .213 out of the bushing; (13.9) .546 from the bushing's nose to the terminals; plunger axis (3.4) .134 above the board; terminals (2.54) .100 apart, (0.6) dia. .024, (3.1) .122 below the board; bracket legs (5.08) .200 in front of the terminals and (5.08) .200 apart, (0.4) .016 thick; cap (5.1) dia. .201 and (4.0) .157 long, its face (6.3) .248 from the bushing's nose.
Page C15, PC Terminals, H Right Angle with Bracket: terminals (0.6) dia. .024; bracket legs (0.6) .024 wide and (0.4) .016 thick; bracket (0.5) .020 thick. Slip-On Caps: F AT475, (5.1) dia. .201; H AT496, (7.5) dia. .295; both (6.3) .248 from the bushing and (4.0) .157 long, polyamide, black, white or red.
Page C14, Typical Switch Ordering Example: BB15AH-FA is SPDT, ON-(ON) circuit, a .213" (5.4mm) long white plunger (A), right angle PC terminals with bracket (H), and a black .201" (5.1mm) diameter cap (F, A); caps F .201" (5.1mm) or H .295" (7.5mm) diameter.
Page C13, Materials & Finishes: plunger polyacetal; bushing carbon blended polyamide; case housing glass fiber reinforced polyamide; support bracket tin plated phosphor bronze; terminals copper alloy with gold plating. Page C15: standard plunger colour white.

The sheet gives no weight.

Proportions, for looks only. The sheet doesn't dimension the following. They are scaled from page C17's side and rear views:

The housing, 8.0 wide; the bracket's front plate is the 8.8 width.
The housing's front part, 6.6 high, from the bracket's front plate to 6.0 in front of the terminals, standing on the bracket's bottom plate. Behind it, the rear block is the full 7.3 high and reaches the board behind the legs.
The rear face, 0.8 in front of the terminals. The terminals leave it 2.5 above the board, run back to their row and bend down.
The bracket is drawn as a front plate round the bushing and a bottom plate to the legs. The legs are straight, without the drawing's snap-in kink.

Catalogue models

	Old model	NKK sheet
Body	a block 8.8 wide, 7.3 high, 12.7 long, out to 13.9 in front of the terminals	8.8 wide, 7.3 high; a 6.0 dia. bushing 2.7 long in front, its nose 13.9 in front of the terminals
Plunger axis	3.65 above the board	3.4
Cap	5.1 dia., 4.0 long, its face 20.2 in front of the terminals	none on BB15AH; F cap 5.1 dia., 4.0 long, its face 6.3 + 13.9 = 20.2 in front
Terminals	0.6 square, 2.54 apart, 3.1 below the board	0.6 dia., 2.54 apart, 3.1 below
Bracket legs	0.6 x 0.4, 5.08 in front of the terminals, under terminals 1 and 3	the same

The family's other switches (DIP switches, slide switches, tactile switches) are other parts. See COVERAGE.md.

1.0.0 Latest Nov 6, 2026 · 1 hour ago

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Right-angle subminiature pushbutton

Source

Catalogue models

Right-angle subminiature pushbutton

Source

Catalogue models

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