BCV61B

{
  "slug": "bcv61b",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Bipolar (BJT), SOT-143. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bcv61b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bcv61b.kicad_sym",
    "bcv61b.kicad_mod",
    "bcv61b.glb",
    "bcv61b.step",
    "bcv61b.lbr",
    "docs/hero.png",
    "docs/bcv61b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bcv61b-hero.glb",
    "bcv61b-hero.overlay.json",
    "bcv61b-etched.glb"
  ],
  "component": {
    "mpn": "BCV61B",
    "manufacturer": "Nexperia",
    "package": "SOT-143",
    "pin_count": 4,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913053128151040",
    "parts": {
      "symbol": "bcv61b.kicad_sym",
      "footprint": "bcv61b.kicad_mod",
      "model_3d": "bcv61b-hero.glb",
      "model_3d_plain": "bcv61b-etched.glb",
      "model_3d_step": "bcv61b-etched.step",
      "model_3d_step_plain": "bcv61b.step",
      "lbr": "bcv61b.lbr"
    },
    "distributor_links": {
      "lcsc": "C549615"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:52:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C2 / B1B2",
        "type": "passive",
        "description": "Pinning table lists pin 1 as collector of TR2 and base of TR1 and TR2 (common base connection); the datasheet gives no separate voltage or current limit for this pin, and the per-transistor limits are VCEO 30 V and IC 100 mA."
      },
      {
        "number": "2",
        "name": "C1",
        "type": "passive",
        "description": "Collector of TR1; per-transistor limits are VCBO 30 V, VCEO 30 V and IC 100 mA (ICM 200 mA peak)."
      },
      {
        "number": "3",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of TR1; the datasheet gives VEBS 6 V maximum (VCE = 0 V) for the transistor."
      },
      {
        "number": "4",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of TR2; the datasheet limits the emitter current IE2 to −5 mA maximum (VCE1 = 5 V, test condition)."
      }
    ],
    "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 1 is printed as 'collector TR2; base TR1 and TR2' in Table 2. Pin 1 is shown as a single pin car; The datasheet names the pins by function only (collector, base, emitter) and gives no pin names beyo; Only one package (SOT143B) is listed for BCV61B in Tables 1 and 3, so no alternate package variant w",
          "1/4 pins cited to the wrong page (name found elsewhere): ['1:C2 / B1B2@p1']"
        ],
        "pages_sent": 13,
        "cost_usd": 0.05,
        "at": "2026-10-18T10:50:19"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913053128151040",
        "pages": 13,
        "sha256": "56a3a237fbf07e27",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bcv61b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b35b433c0dc71ac416a9c731e744d2e0610f82ebe97275830f0e17cdcbe44512",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bcv61b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "189e97446190d513cdeca478d5f7b401502ee23492c5c8e3b5d7fd570a42f85f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}