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Ray Set visibility: public 7d9b176 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kmbt3906",
  "title": "KMBT3906",
  "brief": "KEXIN Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "transistors-thyristors",
    "kmbt3906",
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    "extractor-text"
  ],
  "component": {
    "mpn": "KMBT3906",
    "manufacturer": "KEXIN",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884505499750400",
    "parts": {
      "symbol": "kmbt3906.kicad_sym",
      "footprint": "kmbt3906.kicad_mod",
      "model_3d": "kmbt3906-hero.glb",
      "model_3d_plain": "kmbt3906-etched.glb",
      "model_3d_step": "kmbt3906-etched.step",
      "model_3d_step_plain": "kmbt3906.step",
      "lbr": "kmbt3906.lbr"
    },
    "distributor_links": {
      "lcsc": "C369923"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T04:16:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Base",
        "type": "input",
        "description": "Base terminal of this PNP transistor; the datasheet gives the emitter-base breakdown limit VEBO as -5 V and the absolute maximum emitter-base voltage as -5 V."
      },
      {
        "number": "2",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of this PNP transistor; the emitter-base breakdown voltage VEBO is -5 V minimum at IE = -100 µA with IC = 0."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of this PNP transistor; rated at VCBO -40 V, VCEO -40 V, and continuous collector current IC -0.2 A, with collector dissipation PC of 0.3 W."
      }
    ],
    "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: Pinout is taken from the SOT-23 package drawing text on page 1 ('1.Base 2.Emitter 3.collector', with; The base pin description cites only the absolute maximum emitter-base voltage (VEBO -5 V) because th"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0191,
        "at": "2026-10-19T04:14:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884505499750400",
        "pages": 2,
        "sha256": "aff64c096620bd0b",
        "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": [
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        "file": "kmbt3906.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "kmbt3906-etched.step",
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3029004c11ddae84671fbe721bee0b0d8bd9d8446dd59a70a9d10de334602bb1",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "KEXIN",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "aff64c096620bd0bc981b36b6942e020f855f95b2f4a8b200e808f77b76ce791",
      "rows": [
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current-Continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -0.2,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "VCBO",
          "kind": "electrical",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": null,
          "conditions": "Ic= -100 ìA IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "VCEO",
          "kind": "electrical",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": null,
          "conditions": "Ic= -1 mA IB=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "VEBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE= -100 ìA IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "IcBO",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VCB= -40 V , IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "IcEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "VCE= -40 V , VBE(off)=-3V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VEB= -5V , IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": 300,
          "conditions": "VCE= -1V, IC= -10mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "VCE= -1V, IC= -50mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.3,
          "conditions": "IC=-50 mA, IB= -5mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter saturation voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.95,
          "conditions": "IC=-50 mA, IB= -5mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 250,
          "typ": null,
          "max": null,
          "conditions": "VCE= -20V, IC= -10mA, f=100MHz",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "kmbt3906"
  ],
  "discovery_pitch": "KMBT3906 (KEXIN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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    "kmbt3906.kicad_mod",
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    "kmbt3906.step",
    "kmbt3906.lbr",
    "docs/hero.png",
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    "viewers/symbol.html",
    "viewers/footprint.html",
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    "kmbt3906-hero.overlay.json",
    "kmbt3906-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}