MMUN5331DW

{
  "schema_version": 1,
  "type": "component",
  "slug": "mmun5331dw",
  "title": "MMUN5331DW",
  "brief": "CBI Digital Transistors, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "MMUN5331DW",
    "manufacturer": "CBI",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590920797156827136",
    "parts": {
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      "footprint": "mmun5331dw.kicad_mod",
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      "model_3d_step_plain": "mmun5331dw.step",
      "lbr": "mmun5331dw.lbr"
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    "distributor_links": {
      "lcsc": "C21714121"
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      "checked_at": "2026-10-18T00:55:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    },
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        "name": "E2",
        "type": "passive",
        "description": "Emitter of Q2 (NPN), with R2 base-emitter resistor of 2.2 kΩ (typ) connected to it; Q2 ratings are VCEO 50 Vdc and IC 100 mAdc."
      },
      {
        "number": "2",
        "name": "B2",
        "type": "input",
        "description": "Base input of Q2 (NPN) through series resistor R1 of 2.2 kΩ (typ), with R1/R2 ratio 0.8 to 1.2."
      },
      {
        "number": "3",
        "name": "C1",
        "type": "passive",
        "description": "Collector of Q1 (PNP), rated VCEO 50 Vdc (sign omitted) and IC 100 mAdc maximum."
      },
      {
        "number": "4",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of Q1 (PNP), with R2 base-emitter resistor of 2.2 kΩ (typ) connected to it."
      },
      {
        "number": "5",
        "name": "B1",
        "type": "input",
        "description": "Base input of Q1 (PNP) through series resistor R1 of 2.2 kΩ (typ), with R1/R2 ratio 0.8 to 1.2."
      },
      {
        "number": "6",
        "name": "C2",
        "type": "passive",
        "description": "Collector of Q2 (NPN), rated VCEO 50 Vdc and IC 100 mAdc maximum."
      }
    ],
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          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "at": "2026-10-18T00:53:00"
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        "sha256": "232559455469d1d1",
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        "described": 6,
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        "refuses_to_fabricate": true
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        "extents_mm": [
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          2,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "CBI",
      "Package": "SOT-363",
      "Category": "Transistors/Thyristors",
      "Pins": "6"
    },
    "characteristics": {
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      "source": "datasheet",
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          "typ": 15,
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        {
          "name": "Input Resistor R1",
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          "name": "Resistor Ratio (MMUN5330DW/MMUN5331DW/MMUN5332DW)",
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          "name": "Collector-Base Breakdown Voltage",
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        {
          "name": "Input Resistor R2 (nominal, ordering table)",
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          "name": "Junction and Storage Temperature",
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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