A1257WV-S-12P

{
  "slug": "a1257wv-s-12p",
  "version": "0.1.0",
  "type": "component",
  "description": "CJT Changjiang Connectors Wire To Board Connector, SMD,P=1.25mm. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "connectors",
    "a1257wv-s-12p",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a1257wv-s-12p.kicad_sym",
    "a1257wv-s-12p.kicad_mod",
    "a1257wv-s-12p.glb",
    "a1257wv-s-12p.step",
    "a1257wv-s-12p.lbr",
    "docs/hero.png",
    "docs/a1257wv-s-12p-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a1257wv-s-12p-hero.glb",
    "a1257wv-s-12p-hero.overlay.json"
  ],
  "component": {
    "mpn": "A1257WV-S-12P",
    "manufacturer": "CJT Changjiang Connectors",
    "package": "JST_GH_BM12B-GHS-TBT_1x12-1MP_P1.25mm_Vertical",
    "pin_count": 12,
    "category": "Connectors",
    "subcategory": "Wire To Board Connector",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903189412794368",
    "parts": {
      "symbol": "a1257wv-s-12p.kicad_sym",
      "footprint": "a1257wv-s-12p.kicad_mod",
      "model_3d": "a1257wv-s-12p-hero.glb",
      "model_3d_step": "a1257wv-s-12p.step",
      "lbr": "a1257wv-s-12p.lbr",
      "model_3d_plain": "a1257wv-s-12p.glb"
    },
    "distributor_links": {
      "lcsc": "C272988"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T07:31:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Contact 1; numbering follows the footprint."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Contact 2; numbering follows the footprint."
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "Contact 3; numbering follows the footprint."
      },
      {
        "number": "4",
        "name": "4",
        "type": "passive",
        "description": "Contact 4; numbering follows the footprint."
      },
      {
        "number": "5",
        "name": "5",
        "type": "passive",
        "description": "Contact 5; numbering follows the footprint."
      },
      {
        "number": "6",
        "name": "6",
        "type": "passive",
        "description": "Contact 6; numbering follows the footprint."
      },
      {
        "number": "7",
        "name": "7",
        "type": "passive",
        "description": "Contact 7; numbering follows the footprint."
      },
      {
        "number": "8",
        "name": "8",
        "type": "passive",
        "description": "Contact 8; numbering follows the footprint."
      },
      {
        "number": "9",
        "name": "9",
        "type": "passive",
        "description": "Contact 9; numbering follows the footprint."
      },
      {
        "number": "10",
        "name": "10",
        "type": "passive",
        "description": "Contact 10; numbering follows the footprint."
      },
      {
        "number": "11",
        "name": "11",
        "type": "passive",
        "description": "Contact 11; numbering follows the footprint."
      },
      {
        "number": "12",
        "name": "12",
        "type": "passive",
        "description": "Contact 12; numbering follows the footprint."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "connector numbering",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "footprint has thermal pad ['MP'] the extraction did not name",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": null,
        "cost_usd": 0,
        "at": "2026-11-06T07:31:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903189412794368",
        "pages": 4,
        "sha256": "",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 12,
        "described": 12,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "a1257wv-s-12p.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          18.25,
          4.95,
          4.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5663256593a6031e4c5486c587ec1e2cfcced0c4d3b72deb4e64f19db5127407",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}