main
Ray yfw1012a-g: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) ec258e7 22h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "yfw1012a-g",
  "title": "YFW1012A-G",
  "brief": "YFW Bipolar (BJT), SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "yfw1012a-g"
  ],
  "component": {
    "mpn": "YFW1012A-G",
    "manufacturer": "YFW",
    "package": "SOT-223",
    "pin_count": 4,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604429693303345152",
    "parts": {
      "symbol": "yfw1012a-g.kicad_sym",
      "footprint": "yfw1012a-g.kicad_mod",
      "model_3d": "yfw1012a-g-etched.glb",
      "model_3d_plain": "yfw1012a-g.glb",
      "model_3d_step": "yfw1012a-g-etched.step",
      "model_3d_step_plain": "yfw1012a-g.step",
      "lbr": "yfw1012a-g.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the PNP transistor. Emitter-base breakdown voltage BVEBO = -5 V; base drive IB = -0.15 A used to achieve IC = -3 A saturation (VBE(on) = -1.2 V max)."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector of the PNP transistor (front-lead pin 2). Internally tied to the tab (pin 4). Collector-base breakdown BVCBO = -60 V, collector-emitter breakdown BVCEO = -50 V, IC(max) = -3 A, PC = 1 W."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor. Reference terminal for VCE and VBE; carries IE up to approximately -3 A in saturated operation."
      },
      {
        "number": "4",
        "name": "C",
        "type": "passive",
        "description": "Collector tab (thermal pad) of the SOT-223. Electrically identical to pin 2; provides the primary thermal path to the PCB copper pour for dissipating up to 1 W."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604429693303345152",
        "pages": null,
        "sha256": "b7ef7d76bcfa5179",
        "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": "yfw1012a-g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "yfw1012a-g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "61eaec014a97d1ac234f7e092ed8fb491dea82079097ae7f0a19843d43bf5d61",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "YFW",
      "Package": "SOT-223",
      "Category": "Transistors/Thyristors",
      "Pins": "4"
    }
  },
  "variants": [
    {
      "mpn": "YFW1012A-Y",
      "kind": "unknown"
    },
    {
      "mpn": "YFW1012A-G",
      "kind": "packaging"
    },
    {
      "mpn": "YFW1012A-B",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "yfw1012a-g"
  ],
  "discovery_pitch": "YFW1012A-G (YFW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "yfw1012a-g.kicad_sym",
    "yfw1012a-g.kicad_mod",
    "yfw1012a-g.glb",
    "yfw1012a-g.step",
    "yfw1012a-g.lbr",
    "docs/hero.png",
    "docs/yfw1012a-g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T14:43:43.402Z"
}