MMBTRA102SS

{
  "slug": "mmbtra102ss",
  "version": "0.1.0",
  "type": "component",
  "description": "ST Semtech Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "mmbtra102ss",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "README.md",
    "mmbtra102ss.kicad_sym",
    "mmbtra102ss.kicad_mod",
    "mmbtra102ss.glb",
    "mmbtra102ss.step",
    "mmbtra102ss.lbr",
    "docs/hero.png",
    "docs/mmbtra102ss-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbtra102ss-hero.glb",
    "mmbtra102ss-hero.overlay.json",
    "mmbtra102ss-etched.glb"
  ],
  "component": {
    "mpn": "MMBTRA102SS",
    "manufacturer": "ST Semtech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065789352464384",
    "parts": {
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      "footprint": "mmbtra102ss.kicad_mod",
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      "model_3d_plain": "mmbtra102ss-etched.glb",
      "model_3d_step": "mmbtra102ss-etched.step",
      "model_3d_step_plain": "mmbtra102ss.step",
      "lbr": "mmbtra102ss.lbr"
    },
    "distributor_links": {
      "lcsc": "C7464202"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:56:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Base (Input)",
        "type": "input",
        "description": "Base (input) of the PNP digital transistor, connected through built-in R1 = 10 kΩ with R2 = 10 kΩ to emitter; input voltage rating -30 V, -10 V (-VI)."
      },
      {
        "number": "2",
        "name": "Emitter (Common)",
        "type": "passive",
        "description": "Emitter (common) of the PNP digital transistor, shared with the R2 bias resistor return."
      },
      {
        "number": "3",
        "name": "Collector (Output)",
        "type": "output",
        "description": "Collector (output) of the transistor, rated for -VO of 50 V and -IO of 100 mA maximum."
      }
    ],
    "provenance": {
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      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin mapping (1 Base, 2 Emitter, 3 Collector) is taken from the page 1 package image caption. The tex",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2428,
        "at": "2026-10-17T15:54:34"
      },
      "datasheet": {
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        "pages": 9,
        "sha256": "400c353c397e8a23",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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}