MMUN2211

{
  "slug": "mmun2211",
  "version": "0.1.0",
  "type": "component",
  "description": "CBI Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "mmun2211",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmun2211.kicad_sym",
    "mmun2211.kicad_mod",
    "mmun2211.glb",
    "mmun2211.step",
    "mmun2211.lbr",
    "docs/hero.png",
    "docs/mmun2211-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmun2211-hero.glb",
    "mmun2211-hero.overlay.json",
    "mmun2211-etched.glb"
  ],
  "component": {
    "mpn": "MMUN2211",
    "manufacturer": "CBI",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603128923325165568",
    "parts": {
      "symbol": "mmun2211.kicad_sym",
      "footprint": "mmun2211.kicad_mod",
      "model_3d": "mmun2211-hero.glb",
      "model_3d_plain": "mmun2211-etched.glb",
      "model_3d_step": "mmun2211-etched.step",
      "model_3d_step_plain": "mmun2211.step",
      "lbr": "mmun2211.lbr"
    },
    "distributor_links": {
      "lcsc": "C48935689",
      "digikey": "5399-MMUN2211TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:13:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5399-MMUN2211TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Base",
        "type": "input",
        "description": "Base (input) of the NPN transistor, which has a built-in input resistor R1 of 7 kΩ min to 13 kΩ max and a base-to-R2 resistor of 10 kΩ for MMUN2211, with VCBO limited to 50 V."
      },
      {
        "number": "2",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter (common) terminal of the NPN transistor; the datasheet gives no separate emitter pin rating beyond the absolute maximum ratings of VCBO 50 V, VCEO 50 V and IC 100 mA."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "output",
        "description": "Collector (output) of the NPN transistor, rated for VCEO 50 V, IC 100 mA maximum, and total power dissipation Ptot 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 datasheet labels pin 2 only as 'Emitter (Common)' with no emitter-specific rating; the 'passive'; The R1 input resistor range (7 kΩ to 13 kΩ) is taken from the MMUN2211 row of the resistor table on "
        ],
        "pages_sent": 4,
        "cost_usd": 0.0287,
        "at": "2026-10-19T06:13:41"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603128923325165568",
        "pages": 4,
        "sha256": "bd452c901e7dd07f",
        "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": "mmun2211.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmun2211-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": "8a2a4bc9aacc4d076e74d876805ff3806d9515b8a2500d5da499a86563c34dd1",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}