BAS31

{
  "schema_version": 1,
  "type": "component",
  "slug": "bas31",
  "title": "BAS31",
  "brief": "Nexperia Avalanche Diodes, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "diodes",
    "bas31"
  ],
  "component": {
    "mpn": "BAS31",
    "manufacturer": "Nexperia",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Avalanche Diodes",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/BAS31.pdf",
    "parts": {
      "symbol": "bas31.kicad_sym",
      "footprint": "bas31.kicad_mod",
      "model_3d": "bas31-etched.glb",
      "model_3d_plain": "bas31.glb",
      "model_3d_step": "bas31-etched.step",
      "model_3d_step_plain": "bas31.step",
      "lbr": "bas31.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the first diode. Series path is A (pin 1) -> diode -> CC (pin 3) -> diode -> K (pin 2). VF max 1.25 V at IF = 400 mA (Tj = 25 C)."
      },
      {
        "number": "2",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the second diode. Continuous reverse voltage max 90 V; repetitive peak reverse voltage max 110 V."
      },
      {
        "number": "3",
        "name": "CC",
        "type": "passive",
        "description": "Common connection between the cathode of the first diode and the anode of the second diode, forming a series-connected double diode. Available as a shared node for the two switching diodes."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/BAS31.pdf",
        "pages": 9,
        "sha256": "09c8e51b0edffd81",
        "source_tier": "mfr"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOT-23",
      "Category": "Diodes",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "BAS31",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bas31"
  ],
  "discovery_pitch": "BAS31 (Nexperia) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bas31.kicad_sym",
    "bas31.kicad_mod",
    "bas31.glb",
    "bas31.step",
    "bas31.lbr",
    "docs/hero.png",
    "docs/bas31-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:30:21.197Z"
}