steve/jst-xh-header

JST XH shrouded header, 2.5 mm pitch, top entry: B2B-XH-A to B16B-XH-A and B20B-XH-A.

v1.0.0 Latest STEVE MIT 0

Open in STEVE

Isometric

Parameters

Preset17 sizes

Circuits2–20

2 to 16, or 20.

Detail

fullsimple

full: the shroud's opening and the posts. simple: a plain block.

Defaults built

part.py 34 lines · Python · STEVE runtime · checked

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"""JST XH shrouded header, 2.5 mm pitch, top entry, through-hole: B2B-XH-A to B20B-XH-A. Pin 1 is at the origin, the row along +X, the housing's underside on the

XY plane, its opening up, the posts' tails down through the board. Dimensions from JST's catalogue page in the README."""

from steve import Model

circuits = 4 # Circuits

detail = "full" # full: the shroud's opening and the posts; simple: a plain block

# JST XH connector catalogue, Through-hole type shrouded header, Top entry type, p. 63: pitch 2.5, A = 2.5 x (circuits - 1), B = A + 4.9 (2.45 past the

# end pins each side), height 7.0, depth 5.75 with the pins 2.35 from one face, tails 3.4, posts 0.64 square.

PITCH, END, HEIGHT, DEPTH, FROM_FACE, TAIL, POST = 2.5, 2.45, 7.0, 5.75, 2.35, 3.4, 0.64

WALL = 0.8 # the shroud's wall, the floor and how far the posts stand in it are proportions, for looks

FLOOR = 1.5

if not 2 <= circuits <= 20 or circuits in (17, 18, 19):

raise ValueError("The B..B-XH-A top entry header has 2 to 16 or 20 circuits.")

A = PITCH * (circuits - 1)

x0, y0 = -END, -FROM_FACE

model = Model()

with model.sketch("housing_sketch", on="XY", name="Housing") as sk:

sk.rect("housing_rect", (x0, y0), (A + END, y0 + DEPTH))

model.extrude("housing", "housing_sketch", distance=HEIGHT, name="Housing")

if detail == "full":

model.plane("top_plane", on="XY", offset=HEIGHT, name="Top")

with model.sketch("opening_sketch", on="top_plane", name="Opening") as sk:

sk.rect("opening_rect", (x0 + WALL, y0 + WALL), (A + END - WALL, y0 + DEPTH - WALL))

model.extrude("opening", "opening_sketch", distance=-(HEIGHT - FLOOR), op="cut", name="Opening")

model.plane("tail_plane", on="XY", offset=-TAIL, name="Tails")

with model.sketch("posts_sketch", on="tail_plane", name="Posts") as sk:

for i in range(circuits):

sk.rect(f"post_{i}", (i * PITCH - POST / 2, -POST / 2), (i * PITCH + POST / 2, POST / 2))

model.extrude("posts", "posts_sketch", distance=TAIL + HEIGHT - 1.0, name="Posts")

model.material("pa6", color="#f1ede4")

result = model.result()

"""JST XH shrouded header, 2.5 mm pitch, top entry, through-hole: B2B-XH-A to B20B-XH-A. Pin 1 is at the origin, the row along +X, the housing's underside on the
XY plane, its opening up, the posts' tails down through the board. Dimensions from JST's catalogue page in the README."""
from steve import Model

circuits = 4  # Circuits
detail = "full"  # full: the shroud's opening and the posts; simple: a plain block

# JST XH connector catalogue, Through-hole type shrouded header, Top entry type, p. 63: pitch 2.5, A = 2.5 x (circuits - 1), B = A + 4.9 (2.45 past the
# end pins each side), height 7.0, depth 5.75 with the pins 2.35 from one face, tails 3.4, posts 0.64 square.
PITCH, END, HEIGHT, DEPTH, FROM_FACE, TAIL, POST = 2.5, 2.45, 7.0, 5.75, 2.35, 3.4, 0.64
WALL = 0.8   # the shroud's wall, the floor and how far the posts stand in it are proportions, for looks
FLOOR = 1.5
if not 2 <= circuits <= 20 or circuits in (17, 18, 19):
    raise ValueError("The B..B-XH-A top entry header has 2 to 16 or 20 circuits.")

A = PITCH * (circuits - 1)
x0, y0 = -END, -FROM_FACE
model = Model()
with model.sketch("housing_sketch", on="XY", name="Housing") as sk:
    sk.rect("housing_rect", (x0, y0), (A + END, y0 + DEPTH))
model.extrude("housing", "housing_sketch", distance=HEIGHT, name="Housing")
if detail == "full":
    model.plane("top_plane", on="XY", offset=HEIGHT, name="Top")
    with model.sketch("opening_sketch", on="top_plane", name="Opening") as sk:
        sk.rect("opening_rect", (x0 + WALL, y0 + WALL), (A + END - WALL, y0 + DEPTH - WALL))
    model.extrude("opening", "opening_sketch", distance=-(HEIGHT - FLOOR), op="cut", name="Opening")
    model.plane("tail_plane", on="XY", offset=-TAIL, name="Tails")
    with model.sketch("posts_sketch", on="tail_plane", name="Posts") as sk:
        for i in range(circuits):
            sk.rect(f"post_{i}", (i * PITCH - POST / 2, -POST / 2), (i * PITCH + POST / 2, POST / 2))
    model.extrude("posts", "posts_sketch", distance=TAIL + HEIGHT - 1.0, name="Posts")
model.material("pa6", color="#f1ede4")
result = model.result()

pypart.toml 142 lines · TOML

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name = "steve/jst-xh-header"

version = "1.0.0"

runtime = "steve"

license = "MIT"

summary = "JST XH shrouded header, 2.5 mm pitch, top entry: B2B-XH-A to B16B-XH-A and B20B-XH-A."

description = """JST XH through-hole shrouded header, top entry, 2 to 16 or 20 circuits, with its opening and posts. Dimensions from JST's catalogue page. See the README."""

tags = ["connector", "jst", "jst-xh", "wire-to-board", "header", "electronics"]

[parameters.circuits]

type = "integer"

default = 4

min = 2

max = 20

label = "Circuits"

description = "2 to 16, or 20."

[parameters.detail]

type = "choice"

default = "full"

choices = ["full", "simple"]

label = "Detail"

description = "full: the shroud's opening and the posts. simple: a plain block."

[[presets]]

id = "B2B-XH-A"

title = "JST XH 2 pin header, top entry"

params = { circuits = 2 }

aliases = ["JST XH 2 pin", "JST XH 2P", "XH 2 pin header", "2 pin JST XH", "JST XH 2", "XH2.54 2P", "JST XH 1x02"]

standard = "JST"

[[presets]]

id = "B3B-XH-A"

title = "JST XH 3 pin header, top entry"

params = { circuits = 3 }

aliases = ["JST XH 3 pin", "JST XH 3P", "XH 3 pin header", "3 pin JST XH", "JST XH 3", "XH2.54 3P", "JST XH 1x03"]

standard = "JST"

[[presets]]

id = "B4B-XH-A"

title = "JST XH 4 pin header, top entry"

params = { circuits = 4 }

aliases = ["JST XH 4 pin", "JST XH 4P", "XH 4 pin header", "4 pin JST XH", "JST XH 4", "XH2.54 4P", "JST XH 1x04"]

standard = "JST"

[[presets]]

id = "B5B-XH-A"

title = "JST XH 5 pin header, top entry"

params = { circuits = 5 }

aliases = ["JST XH 5 pin", "JST XH 5P", "XH 5 pin header", "5 pin JST XH", "JST XH 5", "XH2.54 5P", "JST XH 1x05"]

standard = "JST"

[[presets]]

id = "B6B-XH-A"

title = "JST XH 6 pin header, top entry"

params = { circuits = 6 }

aliases = ["JST XH 6 pin", "JST XH 6P", "XH 6 pin header", "6 pin JST XH", "JST XH 6", "XH2.54 6P", "JST XH 1x06"]

standard = "JST"

[[presets]]

id = "B7B-XH-A"

title = "JST XH 7 pin header, top entry"

params = { circuits = 7 }

aliases = ["JST XH 7 pin", "JST XH 7P", "XH 7 pin header", "7 pin JST XH", "JST XH 7", "XH2.54 7P", "JST XH 1x07"]

standard = "JST"

[[presets]]

id = "B8B-XH-A"

title = "JST XH 8 pin header, top entry"

params = { circuits = 8 }

aliases = ["JST XH 8 pin", "JST XH 8P", "XH 8 pin header", "8 pin JST XH", "JST XH 8", "XH2.54 8P", "JST XH 1x08"]

standard = "JST"

[[presets]]

id = "B9B-XH-A"

title = "JST XH 9 pin header, top entry"

params = { circuits = 9 }

aliases = ["JST XH 9 pin", "JST XH 9P", "XH 9 pin header", "9 pin JST XH", "JST XH 9", "XH2.54 9P", "JST XH 1x09"]

standard = "JST"

[[presets]]

id = "B10B-XH-A"

title = "JST XH 10 pin header, top entry"

params = { circuits = 10 }

aliases = ["JST XH 10 pin", "JST XH 10P", "XH 10 pin header", "10 pin JST XH", "JST XH 10", "XH2.54 10P", "JST XH 1x10"]

standard = "JST"

[[presets]]

id = "B11B-XH-A"

title = "JST XH 11 pin header, top entry"

params = { circuits = 11 }

aliases = ["JST XH 11 pin", "JST XH 11P", "XH 11 pin header", "11 pin JST XH", "JST XH 11", "XH2.54 11P", "JST XH 1x11"]

standard = "JST"

[[presets]]

id = "B12B-XH-A"

title = "JST XH 12 pin header, top entry"

params = { circuits = 12 }

aliases = ["JST XH 12 pin", "JST XH 12P", "XH 12 pin header", "12 pin JST XH", "JST XH 12", "XH2.54 12P", "JST XH 1x12"]

standard = "JST"

100

101

[[presets]]

102

id = "B13B-XH-A"

103

title = "JST XH 13 pin header, top entry"

104

params = { circuits = 13 }

105

aliases = ["JST XH 13 pin", "JST XH 13P", "XH 13 pin header", "13 pin JST XH", "JST XH 13", "XH2.54 13P", "JST XH 1x13"]

106

standard = "JST"

107

108

[[presets]]

109

id = "B14B-XH-A"

110

title = "JST XH 14 pin header, top entry"

111

params = { circuits = 14 }

112

aliases = ["JST XH 14 pin", "JST XH 14P", "XH 14 pin header", "14 pin JST XH", "JST XH 14", "XH2.54 14P", "JST XH 1x14"]

113

standard = "JST"

114

115

[[presets]]

116

id = "B15B-XH-A"

117

title = "JST XH 15 pin header, top entry"

118

params = { circuits = 15 }

119

aliases = ["JST XH 15 pin", "JST XH 15P", "XH 15 pin header", "15 pin JST XH", "JST XH 15", "XH2.54 15P", "JST XH 1x15"]

120

standard = "JST"

121

122

[[presets]]

123

id = "B16B-XH-A"

124

title = "JST XH 16 pin header, top entry"

125

params = { circuits = 16 }

126

aliases = ["JST XH 16 pin", "JST XH 16P", "XH 16 pin header", "16 pin JST XH", "JST XH 16", "XH2.54 16P", "JST XH 1x16"]

127

standard = "JST"

128

129

[[presets]]

130

id = "B20B-XH-A"

131

title = "JST XH 20 pin header, top entry"

132

params = { circuits = 20 }

133

aliases = ["JST XH 20 pin", "JST XH 20P", "XH 20 pin header", "20 pin JST XH", "JST XH 20", "XH2.54 20P", "JST XH 1x20"]

134

standard = "JST"

135

136

[[presets]]

137

id = "B4B-XH-A-simple"

138

title = "JST XH 4 pin header, simple"

139

params = { circuits = 4, detail = "simple" }

140

aliases = ["B4B-XH-A simple"]

141

standard = "JST"

142

name = "steve/jst-xh-header"
version = "1.0.0"
runtime = "steve"
license = "MIT"
summary = "JST XH shrouded header, 2.5 mm pitch, top entry: B2B-XH-A to B16B-XH-A and B20B-XH-A."
description = """JST XH through-hole shrouded header, top entry, 2 to 16 or 20 circuits, with its opening and posts. Dimensions from JST's catalogue page. See the README."""
tags = ["connector", "jst", "jst-xh", "wire-to-board", "header", "electronics"]

[parameters.circuits]
type = "integer"
default = 4
min = 2
max = 20
label = "Circuits"
description = "2 to 16, or 20."

[parameters.detail]
type = "choice"
default = "full"
choices = ["full", "simple"]
label = "Detail"
description = "full: the shroud's opening and the posts. simple: a plain block."

[[presets]]
id = "B2B-XH-A"
title = "JST XH 2 pin header, top entry"
params = { circuits = 2 }
aliases = ["JST XH 2 pin", "JST XH 2P", "XH 2 pin header", "2 pin JST XH", "JST XH 2", "XH2.54 2P", "JST XH 1x02"]
standard = "JST"

[[presets]]
id = "B3B-XH-A"
title = "JST XH 3 pin header, top entry"
params = { circuits = 3 }
aliases = ["JST XH 3 pin", "JST XH 3P", "XH 3 pin header", "3 pin JST XH", "JST XH 3", "XH2.54 3P", "JST XH 1x03"]
standard = "JST"

[[presets]]
id = "B4B-XH-A"
title = "JST XH 4 pin header, top entry"
params = { circuits = 4 }
aliases = ["JST XH 4 pin", "JST XH 4P", "XH 4 pin header", "4 pin JST XH", "JST XH 4", "XH2.54 4P", "JST XH 1x04"]
standard = "JST"

[[presets]]
id = "B5B-XH-A"
title = "JST XH 5 pin header, top entry"
params = { circuits = 5 }
aliases = ["JST XH 5 pin", "JST XH 5P", "XH 5 pin header", "5 pin JST XH", "JST XH 5", "XH2.54 5P", "JST XH 1x05"]
standard = "JST"

[[presets]]
id = "B6B-XH-A"
title = "JST XH 6 pin header, top entry"
params = { circuits = 6 }
aliases = ["JST XH 6 pin", "JST XH 6P", "XH 6 pin header", "6 pin JST XH", "JST XH 6", "XH2.54 6P", "JST XH 1x06"]
standard = "JST"

[[presets]]
id = "B7B-XH-A"
title = "JST XH 7 pin header, top entry"
params = { circuits = 7 }
aliases = ["JST XH 7 pin", "JST XH 7P", "XH 7 pin header", "7 pin JST XH", "JST XH 7", "XH2.54 7P", "JST XH 1x07"]
standard = "JST"

[[presets]]
id = "B8B-XH-A"
title = "JST XH 8 pin header, top entry"
params = { circuits = 8 }
aliases = ["JST XH 8 pin", "JST XH 8P", "XH 8 pin header", "8 pin JST XH", "JST XH 8", "XH2.54 8P", "JST XH 1x08"]
standard = "JST"

[[presets]]
id = "B9B-XH-A"
title = "JST XH 9 pin header, top entry"
params = { circuits = 9 }
aliases = ["JST XH 9 pin", "JST XH 9P", "XH 9 pin header", "9 pin JST XH", "JST XH 9", "XH2.54 9P", "JST XH 1x09"]
standard = "JST"

[[presets]]
id = "B10B-XH-A"
title = "JST XH 10 pin header, top entry"
params = { circuits = 10 }
aliases = ["JST XH 10 pin", "JST XH 10P", "XH 10 pin header", "10 pin JST XH", "JST XH 10", "XH2.54 10P", "JST XH 1x10"]
standard = "JST"

[[presets]]
id = "B11B-XH-A"
title = "JST XH 11 pin header, top entry"
params = { circuits = 11 }
aliases = ["JST XH 11 pin", "JST XH 11P", "XH 11 pin header", "11 pin JST XH", "JST XH 11", "XH2.54 11P", "JST XH 1x11"]
standard = "JST"

[[presets]]
id = "B12B-XH-A"
title = "JST XH 12 pin header, top entry"
params = { circuits = 12 }
aliases = ["JST XH 12 pin", "JST XH 12P", "XH 12 pin header", "12 pin JST XH", "JST XH 12", "XH2.54 12P", "JST XH 1x12"]
standard = "JST"

[[presets]]
id = "B13B-XH-A"
title = "JST XH 13 pin header, top entry"
params = { circuits = 13 }
aliases = ["JST XH 13 pin", "JST XH 13P", "XH 13 pin header", "13 pin JST XH", "JST XH 13", "XH2.54 13P", "JST XH 1x13"]
standard = "JST"

[[presets]]
id = "B14B-XH-A"
title = "JST XH 14 pin header, top entry"
params = { circuits = 14 }
aliases = ["JST XH 14 pin", "JST XH 14P", "XH 14 pin header", "14 pin JST XH", "JST XH 14", "XH2.54 14P", "JST XH 1x14"]
standard = "JST"

[[presets]]
id = "B15B-XH-A"
title = "JST XH 15 pin header, top entry"
params = { circuits = 15 }
aliases = ["JST XH 15 pin", "JST XH 15P", "XH 15 pin header", "15 pin JST XH", "JST XH 15", "XH2.54 15P", "JST XH 1x15"]
standard = "JST"

[[presets]]
id = "B16B-XH-A"
title = "JST XH 16 pin header, top entry"
params = { circuits = 16 }
aliases = ["JST XH 16 pin", "JST XH 16P", "XH 16 pin header", "16 pin JST XH", "JST XH 16", "XH2.54 16P", "JST XH 1x16"]
standard = "JST"

[[presets]]
id = "B20B-XH-A"
title = "JST XH 20 pin header, top entry"
params = { circuits = 20 }
aliases = ["JST XH 20 pin", "JST XH 20P", "XH 20 pin header", "20 pin JST XH", "JST XH 20", "XH2.54 20P", "JST XH 1x20"]
standard = "JST"

[[presets]]
id = "B4B-XH-A-simple"
title = "JST XH 4 pin header, simple"
params = { circuits = 4, detail = "simple" }
aliases = ["B4B-XH-A simple"]
standard = "JST"

README.md 16 lines · Markdown

Download

JST XH header

A JST XH through-hole shrouded header, 2.5 mm pitch, top entry: B2B-XH-A to B16B-XH-A and B20B-XH-A. Pin 1 is at the origin, the row runs along +X, the housing sits on the XY plane with its opening up, and the tails go down through the board.

Source

JST XH connector catalogue, Through-hole type shrouded header, Top entry type, page 63, a copy at https://mantech.co.za/datasheets/products/XH-JST.pdf (JST's own site refuses automated downloads):

pitch 2.5, A = 2.5 x (circuits - 1), and B = A + 4.9, 2.45 past the end pins each side
height 7.0, depth 5.75, with the pins 2.35 from one face
tails 3.4, posts 0.64 square

Proportions, for looks only: the shroud's wall and floor, and how high the posts stand in it. The polarising ribs and latch slots aren't modelled. The page gives the wafer as nylon 66, natural white. The material list has no nylon 66, so the part uses pa6 (nylon 6), for looks and rough mass.

Side entry (S..B-XH-A) and SMT headers aren't here yet; see COVERAGE.md.

# JST XH header

A JST XH through-hole shrouded header, 2.5 mm pitch, top entry: B2B-XH-A to B16B-XH-A and B20B-XH-A. Pin 1 is at the origin, the row runs along +X, the housing sits on the XY plane with its opening up, and the tails go down through the board.

## Source

JST XH connector catalogue, *Through-hole type shrouded header, Top entry type*, page 63, a copy at <https://mantech.co.za/datasheets/products/XH-JST.pdf> (JST's own site refuses automated downloads):

- pitch 2.5, A = 2.5 x (circuits - 1), and B = A + 4.9, 2.45 past the end pins each side
- height 7.0, depth 5.75, with the pins 2.35 from one face
- tails 3.4, posts 0.64 square

**Proportions, for looks only:** the shroud's wall and floor, and how high the posts stand in it. The polarising ribs and latch slots aren't modelled. The page gives the wafer as nylon 66, natural white. The material list has no nylon 66, so the part uses `pa6` (nylon 6), for looks and rough mass.

Side entry (S..B-XH-A) and SMT headers aren't here yet; see `COVERAGE.md`.

Use this part

STEVE

Open in STEVE

Open it in STEVE The STEVE runtime runs in STEVE: open the part there, or download the code and bundle.

Get the code

curl -o part.py "https://pythonparts.org/p/steve/jst-xh-header/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/jst-xh-header/1.0.0"

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

About this part

steve101 parts

Profile

Polyamide 6 (nylon 6)Plastics · Custom finish · 1.15 g/cm³

Mass: 0.31 g

At the parameters shown in the viewer.

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 5, 2026
Downloads: 0
Builds: 0
Stars: 0
Bundle: 322ba7ab416b…

#connector #jst #jst-xh #wire-to-board #header #electronics

Checks

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JST XH through-hole shrouded header, top entry, 2 to 16 or 20 circuits, with its opening and posts. Dimensions from JST's catalogue page. See the README.

JST XH header

Source

JST XH connector catalogue, Through-hole type shrouded header, Top entry type, page 63, a copy at https://mantech.co.za/datasheets/products/XH-JST.pdf (JST's own site refuses automated downloads):

pitch 2.5, A = 2.5 x (circuits - 1), and B = A + 4.9, 2.45 past the end pins each side
height 7.0, depth 5.75, with the pins 2.35 from one face
tails 3.4, posts 0.64 square

Side entry (S..B-XH-A) and SMT headers aren't here yet; see COVERAGE.md.

1.0.0 Latest Nov 5, 2026 · 1 hour ago

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