main
Ray Publish 0.1.0 2b85f4a 24d ago
{
  "slug": "mmbta92",
  "version": "0.1.0",
  "type": "component",
  "description": "hongjiacheng Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "mmbta92",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbta92.kicad_sym",
    "mmbta92.kicad_mod",
    "mmbta92.glb",
    "mmbta92.step",
    "mmbta92.lbr",
    "docs/hero.png",
    "docs/mmbta92-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbta92-hero.glb",
    "mmbta92-hero.overlay.json"
  ],
  "component": {
    "mpn": "MMBTA92",
    "manufacturer": "hongjiacheng",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755885256144760832",
    "parts": {
      "symbol": "mmbta92.kicad_sym",
      "footprint": "mmbta92.kicad_mod",
      "model_3d": "mmbta92-hero.glb",
      "model_3d_plain": "mmbta92.glb",
      "model_3d_step": "mmbta92-etched.step",
      "model_3d_step_plain": "mmbta92.step",
      "lbr": "mmbta92.lbr"
    },
    "distributor_links": {
      "lcsc": "C20069146",
      "mouser": "637-MMBTA92"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T00:03:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "637-MMBTA92",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "passive",
        "description": "Base terminal of the PNP transistor; the emitter-base voltage limit is VEBO -5.0 V, and the emitter-base cut-off current is max -100 nA at VEB = -5.0 V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor; the emitter-base breakdown voltage V(BR)EBO is -5.0 V minimum at IE = -100 µA."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor; the maximum ratings are VCBO -300 V, VCEO -300 V, IC -0.5 A, and collector power dissipation PC 350 mW."
      }
    ],
    "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 pin mapping is taken from the function diagram text (\"3 / 1 2 / C B E\") on page 1, not from a nu"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0278,
        "at": "2026-10-09T00:02:09"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755885256144760832",
        "pages": 3,
        "sha256": "527d2d82fc79b1a9",
        "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": "mmbta92.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbta92-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5fda1706008bd113be4a6dc4313e300d19bbf59f028921667930a00c39211d4a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}