2SB1188SQ-Q

{
  "slug": "2sb1188sq-q",
  "version": "0.1.0",
  "type": "component",
  "description": "PJSEMI Bipolar (BJT), SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "2sb1188sq-q",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "2sb1188sq-q.kicad_sym",
    "2sb1188sq-q.kicad_mod",
    "2sb1188sq-q.glb",
    "2sb1188sq-q.step",
    "2sb1188sq-q.lbr",
    "docs/hero.png",
    "docs/2sb1188sq-q-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "2sb1188sq-q-hero.glb",
    "2sb1188sq-q-hero.overlay.json",
    "2sb1188sq-q-etched.glb"
  ],
  "component": {
    "mpn": "2SB1188SQ-Q",
    "manufacturer": "PJSEMI",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911492405714944",
    "parts": {
      "symbol": "2sb1188sq-q.kicad_sym",
      "footprint": "2sb1188sq-q.kicad_mod",
      "model_3d": "2sb1188sq-q-hero.glb",
      "model_3d_plain": "2sb1188sq-q-etched.glb",
      "model_3d_step": "2sb1188sq-q-etched.step",
      "model_3d_step_plain": "2sb1188sq-q.step",
      "lbr": "2sb1188sq-q.lbr"
    },
    "distributor_links": {
      "lcsc": "C411787"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:45:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Base",
        "type": "input",
        "description": "Base terminal of the PNP transistor; the Q current-gain group is specified as hFE 120 to 270 at -VCE = 3 V, -IC = 500 mA."
      },
      {
        "number": "2",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal; ratings are -VCBO 40 V, -VCEO 32 V, -IC 2 A, and collector power dissipation PC 0.5 W."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal; the emitter-base rating is -VEBO 5 V, and the junction temperature limit is Tj 150 ℃."
      }
    ],
    "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 MPN 2SB1188SQ-Q carries a '-Q' suffix, but the datasheet lists the device as 2SB1188SQ and gives; The pin numbers 1, 2, 3 and the function names come from the printed legend '1. Base 2. Collector 3.; The ERC pin types are inferred for a BJT, not stated in the datasheet: Base as input, and Collector "
        ],
        "pages_sent": 3,
        "cost_usd": 0.0168,
        "at": "2026-10-18T19:45:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911492405714944",
        "pages": 3,
        "sha256": "014b4f0b08042a6f",
        "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": "2sb1188sq-q.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "2sb1188sq-q-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "54b54460e3b774336bd40161c714e9aa2b4e3b310c8e2ef70905f66c75e8b52d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}