# D-sub connector A D-sub (D-subminiature) board connector, standard density, with the standard shell: NorComp's 171 series (vertical, dip solder) and 182 series (right angle, .318" footprint). The stamped steel shell has its flange with two mounting holes, the D in front of the flange and, on the vertical part, the rear shell behind it. Inside are the insulator and the contacts: pins on a male part (plug), sockets on a female part (receptacle). - `positions`: 9, 15, 25 or 37, the shell sizes E, A, B and C (DE-9, DA-15, DB-25, DC-37). - `gender`: `male` or `female`. - `mounting`: `vertical` (NorComp 171, the D facing up) or `right-angle` (NorComp 182, the flange standing on the board, the D facing -Y). - `detail`: `full`, or `simple` for the metal shell only. Pin 1 is at the origin. The first row, the longer one, is on the D's wide side. It runs along +X on a male part and along -X on a female part, so a plug and a receptacle mate pin for pin. The second row is 2.84 along -Y. On the right-angle part, the first row is the one farther from the flange. | Positions | Flange A | Hole spacing B | D width C, male / female | D height E, male / female | Rear shell D (171) | |---|---|---|---|---|---| | 9 | 30.80 | 24.99 | 16.92 / 16.30 | 8.36 / 7.90 | 19.20 | | 15 | 39.15 | 33.32 | 25.25 / 24.65 | 8.36 / 7.90 | 27.70 | | 25 | 53.00 | 47.04 | 38.96 / 38.40 | 8.36 / 7.90 | 41.10 | | 37 | 69.30 | 63.50 | 55.42 / 54.80 | 8.36 / 7.90 | 57.30 | These are the 171 values. The 182 drawings give A as 30.80 (30.81 female), 39.14, 53.04 and 69.32, and C for the 37-position male as 55.40. `part.py` uses each drawing's own values. **Vertical (171).** The flange is 12.60 high and 0.90 thick. The D stands 6.00 in front of the flange. Behind the flange, the rear shell is 4.10 deep and 10.90 high, and the insulator ends 5.60 max behind the flange. The tails reach 4.80 beyond the insulator and 4.00 beyond its standoffs, which sit on the board. So the seating plane is 0.8 below the insulator, the flange is 6.4 to 7.3 above the board, and the D's front is 13.3 above it. The pitch is 2.76 (0.1087"), with the rows 2.84 apart. **Right angle (182, .318").** The flange is 12.55 high, with its lower edge on the board. The D stands 6.0 (male) or 5.9 (female) in front of the flange. The overall depth is 18.51 (male) or 18.3 (female). The first row of tails nearest the flange is 8.08 (.318") behind the flange's front face, and the rows are 2.84 apart at a pitch of 2.77. The tails are 0.64 square and 3.18 long below the board. The flange has Ø 3.05 holes, which is hardware option 43, ".120 dia. hole". ## Source NorComp drawings, from NorComp's own site (content.norcomp.net, `rohspdfs/Connectors/...`): - **171-YYY-113RYY1, rev 18** (male, dip solder, stamped) and **171-YYY-213RYY1, rev 17** (female). Sheet 1 has the table "DIMENSIONS (in/mm)" (A to F, by positions) and the side views: 0.90 flange, 6.00 D, 4.10 rear shell, 5.60 max insulator, 10.90 rear height, and 4.80 and 4.00 tails. Sheet 2 has the recommended PCB layout: the pin coordinates (25 positions: first row ±0.652 over 12 pitches; rows 0.056 either side of the centre line) and the Ø 0.043 tail holes. The materials are PA6T insulator, gold-plated brass contacts and a nickel-plated steel shell. - **182-YYY-113RYY1, rev 16** (R/A .318", male) and **182-YYY-213RYY1, rev 18** (female). Sheet 1 has the table "DIMENSIONS" (A to D) and these views: 12.55 flange, 6.0 / 5.9 D, 18.51 / 18.3 depth, 0.318 [8.08] row, 0.109 [2.77] pitch, 0.112 [2.84] rows, 0.64 square tails, 3.18 below the board, and Ø 3.05 holes. Sheet 2 has the hardware options (43: metal shell, .120" hole). The materials are a nickel-plated SPCC shell, PA9T insulator and gold-plated brass contacts. The 182 drawings don't give the D's height. The 182 is built on the same standard shell (its A, B and C are the 171's), so the 171's E is used. - **Panel_Cutout_D-Sub-Single**: the D's sides lean 10°. **Proportions, for looks only.** The drawings show these but don't dimension them: - The shell sheet is 0.4 thick. The D's corners are rounded to 0.15 x its height, and the flange's corners to 0.6. The rear shell (171) is drawn as the same 10° D. - The male pins are Ø 1.0. They rise from an insulator face 1.5 in front of the flange to 0.6 below the D's front edge. The female insulator is flush with the D's front, with Ø 1.0 sockets 4 deep. - On the 171, the tails are Ø 0.8, under the sheet's Ø 1.09 PCB hole. The rear insulator is 0.6 inside the rear shell, with four Ø 1.5 standoffs, 0.8 high, under it. - On the 182, the insulator body is as wide and high as the flange, with the mounting holes through it. The flange is 0.90 thick, as on the 171. - Materials are for looks and a rough mass. The shell is SPCC (cold-rolled steel, DC01), the insulator is nylon (PA6, for PA6T / PA9T) and the contacts are brass. The 50-position size, which has three rows, isn't offered. ## Catalogue models The catalogue's `DSUB-___...` models name no maker. Every maker builds the same standard shell, and NorComp's drawings follow it, but the reference models' shells are narrower. Measured on the reference models: - The D shell is 16.56 wide for the 9-pin plug, 15.92 for the 9-pin socket and 37.92 for the 25-pin socket. NorComp gives 16.92, 16.30 and 38.40, so the models are 0.3 to 0.5 mm narrower than the standard shell. The models are wrong, not another part. - The vertical 9-pin plug's flange is 12.5 high and 4.2 to 4.7 above the board, with the D's front at 10.5 and 8.3 high. On NorComp's part, the flange is 12.60 high and 6.4 to 7.3 above the board, with the D's front at 13.3 and 8.36 high. - The vertical models' pitch is 2.77. NorComp's layout gives 0.1087" (2.76). So each model whose pin count, gender and mounting NorComp's drawings have maps to NorComp's part, 28 of the 104: - **Vertical**, `P2.77x2.84mm`, with or without `_MountingHoles` (9, 15, 25 and 37 positions, pins, male, socket and female), maps to the 171. - **Horizontal**, `EdgePinOffset7.70mm_Housed_MountingHolesOffset9.12mm` (9, 15, 25 and 37 positions, pins and socket), maps to the 182. Measured on the 25-socket model: the flange's front face is 7.98 in front of the nearer row of pins, where the 182 has .318" (8.08). The mounting holes are 1.42 behind that row, as on the 182. The flange is 53.10 x 12.5, against 53.04 x 12.55, and the D is 6.1 deep, against 5.9. These stay "no table read yet" (`COVERAGE.md`) until a drawing for them is read: - the high-density models (15, 26, 44 and 62 positions); - the other right-angle footprints: edge offsets 4.94, 9.40, 9.90 and 14.56, including the unhoused 9.40 models, which measured 9.7 from the flange to the nearer row; - the `P2.77x2.54mm` models.