KSA931

{
  "slug": "ksa931",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Bipolar (BJT), TO-92L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "ksa931",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ksa931.kicad_sym",
    "ksa931.kicad_mod",
    "ksa931.glb",
    "ksa931.step",
    "ksa931.lbr",
    "docs/hero.png",
    "docs/ksa931-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ksa931-hero.glb",
    "ksa931-hero.overlay.json",
    "ksa931-etched.glb"
  ],
  "component": {
    "mpn": "KSA931",
    "manufacturer": "Changjing",
    "package": "TO-92L",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/83ab066c34bbaa52d8749acec0e14fbd.pdf",
    "parts": {
      "symbol": "ksa931.kicad_sym",
      "footprint": "ksa931.kicad_mod",
      "model_3d": "ksa931-hero.glb",
      "model_3d_plain": "ksa931-etched.glb",
      "model_3d_step": "ksa931-etched.step",
      "model_3d_step_plain": "ksa931.step",
      "lbr": "ksa931.lbr"
    },
    "distributor_links": {
      "lcsc": "C19269159"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:41:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor, with emitter-base voltage VEBO limited to -8 V."
      },
      {
        "number": "2",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal, rated for VCBO -80 V, VCEO -60 V, continuous collector current IC -0.7 A and collector power dissipation PC 1 W."
      },
      {
        "number": "3",
        "name": "BASE",
        "type": "passive",
        "description": "Base terminal, driven at IB -50 mA for saturation at IC -500 mA (β=10), giving VCE(sat) of -0.7 V and VBE(sat) of -1.2 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists the TO-92L pinout as 1=EMITTER, 2=COLLECTOR, 3=BASE, which is not the usual E-B-; The datasheet does not assign KiCad ERC electrical types to the transistor terminals. All three pins; The datasheet covers only the TO-92L package, so no other package variant was available to compare. "
        ],
        "pages_sent": 4,
        "cost_usd": 0.0162,
        "at": "2026-10-18T10:39:31"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/83ab066c34bbaa52d8749acec0e14fbd.pdf",
        "pages": 4,
        "sha256": "5ef9ca018b595206",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ksa931.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.092,
        "footprint_binding": "identity",
        "sha256": "caa5e8f0ad579316cca17b28377ebb217165ded58b24357f770b5b59fe0e7a5f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ksa931-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.092,
        "footprint_binding": "identity",
        "sha256": "05ba084832fc67b107054ffb6adae821d44f61963dedcffee0d41a86bd89081d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}