BCM847BS

{
  "slug": "bcm847bs",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Bipolar (BJT), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bcm847bs",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bcm847bs.kicad_sym",
    "bcm847bs.kicad_mod",
    "bcm847bs.glb",
    "bcm847bs.step",
    "bcm847bs.lbr",
    "docs/hero.png",
    "docs/bcm847bs-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bcm847bs-hero.glb",
    "bcm847bs-hero.overlay.json"
  ],
  "component": {
    "mpn": "BCM847BS",
    "manufacturer": "Nexperia",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/BCM847BS.pdf",
    "parts": {
      "symbol": "bcm847bs.kicad_sym",
      "footprint": "bcm847bs.kicad_mod",
      "model_3d": "bcm847bs-hero.glb",
      "model_3d_plain": "bcm847bs.glb",
      "model_3d_step": "bcm847bs-etched.step",
      "model_3d_step_plain": "bcm847bs.step",
      "lbr": "bcm847bs.lbr"
    },
    "distributor_links": {
      "lcsc": "C396099",
      "digikey": "4878-BCM847BSTR-ND",
      "mouser": "637-BCM847BS"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T08:05:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4878-BCM847BSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "637-BCM847BS",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of transistor TR1 of the NPN/NPN matched double transistor; the datasheet gives no pin-specific limit, so the device limits in Table 5 apply (VEBO 6 V, IC 100 mA per transistor)."
      },
      {
        "number": "2",
        "name": "B1",
        "type": "passive",
        "description": "Base of transistor TR1; the datasheet gives no pin-specific limit, so the device limits in Table 5 apply (VEBO 6 V, IC 100 mA per transistor)."
      },
      {
        "number": "3",
        "name": "C2",
        "type": "passive",
        "description": "Collector of transistor TR2; the datasheet gives no pin-specific limit, so the device limits in Table 5 apply (VCBO 50 V, VCEO 45 V, IC 100 mA per transistor)."
      },
      {
        "number": "4",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of transistor TR2; the datasheet gives no pin-specific limit, so the device limits in Table 5 apply (VEBO 6 V, IC 100 mA per transistor)."
      },
      {
        "number": "5",
        "name": "B2",
        "type": "passive",
        "description": "Base of transistor TR2; the datasheet gives no pin-specific limit, so the device limits in Table 5 apply (VEBO 6 V, IC 100 mA per transistor)."
      },
      {
        "number": "6",
        "name": "C1",
        "type": "passive",
        "description": "Collector of transistor TR1; the datasheet gives no pin-specific limit, so the device limits in Table 5 apply (VCBO 50 V, VCEO 45 V, IC 100 mA per transistor)."
      }
    ],
    "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: Pin types are mapped to KiCad 'passive' because the datasheet only labels pins as emitter, base and ; The datasheet gives no per-pin electrical limits. Pin descriptions reference the per-transistor limi; Pin numbering is non-sequential by function: pin 3 is C2 and pin 6 is C1, and TR1/TR2 are interleave"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0519,
        "at": "2026-10-09T08:03:07"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/BCM847BS.pdf",
        "pages": 11,
        "sha256": "397d10c0be3226b0",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bcm847bs.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bcm847bs-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "57c871f624a5537047e08973ce93843199262d30ca9595c068164e7d9c35a5d9",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}