JST SM04B-GHS-TB(LF)(SN) GH 4-circuit side entry SMT header

{
 "schema": "adom/sources@1",
 "mpn": "SM04B-GHS-TB(LF)(SN)",
 "date": "2026-10-21",
 "datasheet": {
  "title": "JST GH CONNECTOR, 1.25 mm pitch disconnectable crimp style connectors (catalog eGH)",
  "file": "docs/sm04b-ghs-tb-lf-sn-datasheet.pdf",
  "sha256": "fe239aeccf1708802766d67888172423bbca155762a4d24fbd31a6f5bbe6f06b",
  "bytes": 210351,
  "pages": 2,
  "pdf_info": "Title eGH.doc, created 2016-11-18 (Acrobat Distiller 4.05); no revision identifier printed",
  "official_url": "https://www.jst-mfg.com/product/pdf/eng/eGH.pdf",
  "retrieved_from": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905132734365696 (the datasheet JLCPCB links for C189895)",
  "retrieval_note": "On 2026-10-21 www.jst-mfg.com refused TCP connections from the build host and jst.com answered 403, so the file was taken from the JLCPCB part record. It is JST eGH.pdf (JST title, layout and page numbering). Compare with the official URL before relying on a later revision.",
  "cited_pages": {
   "p.1": "Specifications; PC board layout, side entry type; Contact SSHL-002T-P0.2",
   "p.2": "Housing GHR-xxV-S; Shrouded header side entry type (Circuit No.1, A and B dimensions, 4.05 / 0.8 / 4.25); Material and Finish; RoHS (LF)(SN) label"
  },
  "figures": [
   "docs/figures/sm04b-ghs-tb-lf-sn-ds-p1-contact-sshl-002t-p0-2.png",
   "docs/figures/sm04b-ghs-tb-lf-sn-ds-p1-side-entry-layout.png",
   "docs/figures/sm04b-ghs-tb-lf-sn-ds-p1-specifications.png",
   "docs/figures/sm04b-ghs-tb-lf-sn-ds-p1.png",
   "docs/figures/sm04b-ghs-tb-lf-sn-ds-p2-housing-ghr.png",
   "docs/figures/sm04b-ghs-tb-lf-sn-ds-p2-shrouded-header.png",
   "docs/figures/sm04b-ghs-tb-lf-sn-ds-p2.png"
  ]
 },
 "footprint": {
  "file": "sm04b-ghs-tb-lf-sn.kicad_mod",
  "sha256": "8a5b9cf624c8776a11b69533ce0a854a9d2f90308db4821cd78e0713df3f96be",
  "upstream": "KiCad Connector_JST:JST_GH_SM04B-GHS-TB_1x04-1MP_P1.25mm_Horizontal (kicad-footprint-generator, file version 20260206)",
  "upstream_url": "https://gitlab.com/kicad/libraries/kicad-footprints/-/raw/master/Connector_JST.pretty/JST_GH_SM04B-GHS-TB_1x04-1MP_P1.25mm_Horizontal.kicad_mod",
  "upstream_sha256": "d28e139f60db2bef02272b37d5075e87f3e804aef0b442d0fd81a3f7cfe07ebe",
  "changes": [
   "footprint name -> sm04b-ghs-tb-lf-sn (matches the file name)",
   "Value -> SM04B-GHS-TB(LF)(SN)",
   "3D model path -> ${KIPRJMOD}/sm04b-ghs-tb-lf-sn.step"
  ],
  "pads_changed": false,
  "check": "provenance/footprint-vs-jst.json",
  "license": "CC-BY-SA-4.0 with the KiCad library exception (LICENSE-KICAD.md)"
 },
 "symbol": {
  "file": "sm04b-ghs-tb-lf-sn.kicad_sym",
  "sha256": "f705bb40a8fd7fd7effcfb19e49c05ef0a519072ac9aa4b27761c23c6ee8c142",
  "tool": "adom-symbol 1.2.6 create (provenance/symbol-create.json), --no-chip-outline",
  "post_edit": "provenance/tools/symbol_post.py: pins moved onto the 2.54 mm grid (adom-symbol 1.2.6 put them at y -2.00, -4.54, ...), body narrowed, Footprint property set, generator sentence trimmed from Description",
  "license": "CC-BY-4.0 (Adom-authored)"
 },
 "lbr": {
  "file": "sm04b-ghs-tb-lf-sn.lbr",
  "sha256": "e4bc5f23ea29d9c0d481329e0562af3f5741b2e13c1a5c018d51760db1557df7",
  "tool": "adom-lbr 2.47.5 generate --symbol-layout keep --part-metadata page.json --package-name SM04B-GHS-TB",
  "post_edit": "MP pin direction io -> nc (adom-lbr 2.47.5 writes a KiCad no_connect pin as io); lint passes after the edit"
 },
 "altium": {
  "files": {
   "SM04B-GHS-TB-LF-SN.PcbLib": "58dd92e456386ff52c9fd1fc97c56a45f5dba0fbabd5bc6efb764a57d4154a50",
   "SM04B-GHS-TB-LF-SN.SchLib": "0cfdfdb6184b0700cd992b4da2e5cfaa8424dfe91555f33bc6adb2ecb7810e48",
   "sm04b-ghs-tb-lf-sn.adom-lbr.json": "272049baecd3a1637a2b748a1df2f4b476096b4f29479b83521049b5e836867b"
  },
  "tool": "adom-lbr 2.47.5 import-kicad, then assemble-altium --no-dedupe with the page STEP beside the hub JSON (1 model embedded)",
  "round_trip": "adom-lbr import-altium of the SchLib + PcbLib gives the same 5 pins and 6 pads; MP reads back as Passive (Altium has no no-connect pin type)"
 },
 "distributors": {
  "tool": "adom-parts-search search SM04B-GHS-TB(LF)(SN), 2026-10-21",
  "mouser": "306-SM04BGHSTBLFSN (exact MPN, 762 in stock)",
  "digikey": "455-1566-2-ND (listed as SM04B-GHS-TB, JST Sales America; 0 in stock; status Active)",
  "lcsc": "C189895 (exact MPN, 5,852 in stock)"
 }
}