MMBTSC3356-7G

{
  "slug": "mmbtsc3356-7g",
  "version": "0.1.0",
  "type": "component",
  "description": "CBI Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "mmbtsc3356-7g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbtsc3356-7g.kicad_sym",
    "mmbtsc3356-7g.kicad_mod",
    "mmbtsc3356-7g.glb",
    "mmbtsc3356-7g.step",
    "mmbtsc3356-7g.lbr",
    "docs/hero.png",
    "docs/mmbtsc3356-7g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbtsc3356-7g-hero.glb",
    "mmbtsc3356-7g-hero.overlay.json",
    "mmbtsc3356-7g-etched.glb"
  ],
  "component": {
    "mpn": "MMBTSC3356-7G",
    "manufacturer": "CBI",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921058755432448",
    "parts": {
      "symbol": "mmbtsc3356-7g.kicad_sym",
      "footprint": "mmbtsc3356-7g.kicad_mod",
      "model_3d": "mmbtsc3356-7g-hero.glb",
      "model_3d_plain": "mmbtsc3356-7g-etched.glb",
      "model_3d_step": "mmbtsc3356-7g-etched.step",
      "model_3d_step_plain": "mmbtsc3356-7g.step",
      "lbr": "mmbtsc3356-7g.lbr"
    },
    "distributor_links": {
      "lcsc": "C21714194"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:44:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Base",
        "type": "input",
        "description": "Base terminal of the NPN silicon epitaxial planar transistor, with an emitter-base voltage rating of VEBO 3 V and an emitter cutoff current IEBO of 1 µA max at VEB = 1 V."
      },
      {
        "number": "2",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the transistor, which must be connected to the guard terminal of the three-terminal capacitance bridge along with the case when measuring Cre."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the transistor, rated for VCBO 20 V, VCEO 12 V, and a collector current IC of 100 mA, with total power dissipation Ptot of 200 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 pinout is printed in the text as '1.Base 2.Emitter 3.Collector' for the SOT-23 plastic package (; The text never states the part number MMBTSC3356 or the '-7G' suffix. The datasheet covers an NPN si; Pin types are assigned by convention (base as input, emitter and collector as passive) because the d"
        ],
        "pages_sent": 3,
        "cost_usd": 0.019,
        "at": "2026-10-18T18:42:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921058755432448",
        "pages": 3,
        "sha256": "21a01448ebd08e80",
        "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"
    },
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        "file": "mmbtsc3356-7g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.2
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbtsc3356-7g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
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        "footprint_binding": "identity",
        "sha256": "814f956992f812a6b9b59ed08f480fee3c8ec3933540afdd62e82e97fdee5140",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}