component
0705530003
Public Made by Adomby adom
Molex SL header with latch, right angle, 1x4, 2.54 mm, 70553-0003. Footprint from the Molex drawing; 3D is Molex's own model.
main
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{
"schema": "adom/verification@1",
"part": "0705530003",
"variants": [],
"entries": [
{
"date": "2026-10-09",
"by": {
"name": "Claude (AI build)",
"handle": "claude"
},
"status": "superseded",
"title": "Automated build checks (awaiting human validation)",
"scope": [
"symbol",
"footprint",
"3d",
"pins"
],
"variants": [
"*"
],
"checks": [
{
"text": "Footprint extracted pad-for-pad from the source board and normalized to the footprint frame (back-side parts un-mirrored)",
"result": "pass"
},
{
"text": "3D model seated z=0 at footprint origin (placement inverse; method centroid-matched to KiCad library models on 59 cases)",
"result": "pass"
},
{
"text": "adom-lbr generate + lint passed",
"result": "pass"
},
{
"text": "4 of 4 pins described",
"result": "pass"
},
{
"text": "Not yet checked by a person: land pattern vs datasheet, pin-1/orientation, 3D body vs drawing",
"result": "note"
}
],
"evidence": [
{
"label": "datasheet",
"href": "docs/0705530003-datasheet.pdf"
}
],
"files": {
"0705530003.kicad_sym": "c8af44dbf99ce0a2f46c52f58decc2c6a18a120b775b8379fc3dee191834434e",
"0705530003.kicad_mod": "fd21e2c4be25e7fb4d45543f8349f2c2383af4f1541f81877ef2620800f58014",
"0705530003.step": "0b6cc232aa72f09f14de4bc492e3ba9a06f711bfb0bc8197cb28fb6bea9b7be3"
}
},
{
"date": "2026-10-09",
"by": {
"name": "Claude (AI build)",
"handle": "claude"
},
"status": "superseded",
"title": "Board uses a generic KiCad pin-header/socket footprint and model, not the Molex part-speci...",
"scope": [
"review"
],
"variants": [
"*"
],
"checks": [
{
"text": "Board uses a generic KiCad pin-header/socket footprint and model, not the Molex part-specific land pattern. Footprint and 3D need checking against the Molex sales drawing.",
"result": "note"
}
],
"evidence": [],
"files": {}
},
{
"date": "2026-10-28",
"by": {
"name": "Claude, at Caleb Taylor's request",
"handle": "claude"
},
"status": "verified",
"title": "Validated against Molex SDA-70553-XXXX rev M; footprint rebuilt to the drawing, 3D is Molex's own STEP posed",
"scope": [
"symbol",
"footprint",
"3d",
"pins"
],
"variants": [
"*"
],
"checks": [
{
"text": "Datasheet: SDA-70553-XXXX rev M (EC 617172), released 2019-05-14, 3 sheets; the page copy is byte-identical to a fresh molex.com download (2026-10-27, sha256 73aaf184...).",
"result": "pass"
},
{
"text": "BOM: J1 on NTX_CCX-MIO_Carrier_v1.1; J2 on NTX_CCX-MIO_Carrier_v1.1 carry the Molex part number of this page (BOM, schematic and board value): the page is the intended part. DigiKey and Molex list it as through hole, right angle.",
"result": "pass"
},
{
"text": "Footprint rebuilt from SDA-70553-XXXX rev M sheet 1 RECOMMENDED PC BOARD LAYOUT: 4 holes 1.09 (1.09 +-0.08) at 2.54 (+-0.08 non-accum.), pads 1.74 (KiCad SL 171971 convention for the same 0.64 pin), pad 1 roundrect at the origin, positions along +Y; overlay on the layout coincides (provenance/evidence/overlay_sheet1_front_view_4ckt.png).",
"result": "pass"
},
{
"text": "Body outline and courtyard from the drawing: mating face 12.89 from the pad row (13.21 to the tail rear edge - 0.32), overall depth 13.59, width B + 2 x 1.02 = 12.71 (cavity B = 10.67), latch 6.99 high; courtyard 0.5 mm round body and pads; silk clipped 0.2 mm clear of the pads; pad 1 silk triangle.",
"result": "pass"
},
{
"text": "Contact numbering: SDA-70553 does not number the contacts and the header is symmetric about its centre; contact 1 = pad 1 = the board footprint pad 1 (unchanged).",
"result": "note"
},
{
"text": "3D: Molex's own STEP 705530003.stp for 70553-0003 (STEP AP203 (CONFIG_CONTROL_DESIGN), Pro/ENGINEER export 2013-07-31, one fused solid, no colour), from the 3D CAD model link on the Molex product page (https://www.molex.com/content/dam/molex/molex-dot-com/products/automated/en-us/3dcadmodels/705/70553/705530003_stp.zip, retrieved 2026-10-27; zip sha256 ce0e4bd2d437, STEP sha256 3c65a2f36a54); original bytes kept as vendor/0705530003-molex-original.step.",
"result": "pass"
},
{
"text": "Posed by rotation and translation only (provenance/tools/pose_vendor.py): new X, Y, Z = Molex axes [[0, 0, 1], [1, 0, 0], [0, 1, 0]], then translate [7.1755, -3.81, 2.922] mm; seat (lowest housing level, found by bisection) on z = 0, mating face toward +X; all 4 tails land on their drilled pads (max offset 0.000 mm); footprint binding identity.",
"result": "pass"
},
{
"text": "Molex model against SDA-70553-XXXX rev M (provenance/tools/measure_vendor.py, provenance/drawing_check.json): overall depth (13.59) REF 13.589 (drawing 13.59); overall height (6.99) REF 6.986 (drawing 6.99); width B + 2 x (1.02) 12.7 (drawing 12.71); tail below seat D (3.30) REF 3.301 (drawing 3.3); mating face to tail rear edge (13.21) TYP 13.211 (drawing 13.21); cavity height 3.05 3.048 (drawing 3.05); E: pin tip to cavity rear wall 6.10 +-0.25 6.096 (drawing 6.1); cavity rear wall from mating face (8.89) 8.89 (drawing 8.89); pin square (0.64) 0.635 (drawing 0.64): all within the drawing tolerances.",
"result": "pass"
},
{
"text": "The posed Molex model, overlaid on the drawing views at the drawing scale, coincides with the outline, pins and tails (provenance/evidence/overlay_sheet1_side_view.png, provenance/evidence/overlay_sheet1_pcb_layout.png).",
"result": "pass"
},
{
"text": "Undimensioned detail: the latch block on top is 2.79 mm deep in the Molex model against about 3.8 mm drawn on the 4:1 side view; every printed dimension agrees.",
"result": "note"
},
{
"text": "Colour: none in the Molex file (AP203, one fused solid); nothing to keep, GLB uncoloured.",
"result": "note"
},
{
"text": "MPN etch: adom-chip-laser 0.2.0 on the housing top (0.711 mm font, separate Adom.LaserEtch part).",
"result": "pass"
},
{
"text": "step_pose.py: plain and etched STEP PASS (Z-up, seat on z = 0, tails below, identity binding; body off the pad-pattern centre by design, right-angle overhang, courtyard centred on the body).",
"result": "pass"
},
{
"text": "Symbol Footprint property changed from Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical to 0705530003:0705530003 (the page footprint).",
"result": "note"
},
{
"text": "Distributors: DigiKey WM4902-ND (Molex 0705530003, CONN HEADER R/A, confirmed by search 2026-10-27); Mouser lists the part with Mouser No. N/A (not sold) -> false with a note.",
"result": "pass"
},
{
"text": "Boards affected: NTX_CCX-MIO_Carrier_v1.1 J1; NTX_CCX-MIO_Carrier_v1.1 J2 use the generic vertical KiCad footprint; see the result file for the per-reference differences. The boards are Caleb's to change.",
"result": "note"
},
{
"text": "Symbol Datasheet / MPN / Manufacturer / DigiKey / Mouser / LCSC properties agree with page.json; footprint Datasheet property points at the manufacturer datasheet URL",
"result": "pass"
},
{
"text": "component-page-verify: all checks pass",
"result": "pass"
}
],
"evidence": [
{
"label": "Molex sales drawing SDA-70553-XXXX (SL right-angle header with latch) (SDA-70553-XXXX rev M (EC 617172))",
"href": "https://www.molex.com/content/dam/molex/molex-dot-com/products/automated/en-us/salesdrawingpdf/705/70553/705530003_sd.pdf"
},
{
"label": "Molex product page 70553-0003 (source of the 3D model)",
"href": "https://www.molex.com/en-us/products/part-detail/705530003"
}
],
"files": {
"0705530003.kicad_sym": "741b9d52c1d57a65b8bcb64ba1cb084f3dad09dd251ac3e4085840218375712d",
"0705530003.kicad_mod": "468ffca1ebe6a561981437f63947ba914a37c75f895becb70c561d412138d573",
"0705530003.step": "f48b2cc61af2001f2fd5681237fcc73ce6e6dc27295d5407d7ee544bfcffb480"
}
}
]
}