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Ray Set visibility: public ba04063 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "gbu4m",
  "title": "GBU4M",
  "brief": "LRC Bridge Rectifiers, GBU. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "subcategory": "Bridge Rectifiers",
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      "footprint": "gbu4m.kicad_mod",
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    "distributor_links": {
      "lcsc": "C383154"
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    "distributor_check": {
      "checked_at": "2026-10-21T17:00:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
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      },
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        "number": "2",
        "name": "AC1",
        "type": "passive",
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      },
      {
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        "name": "AC2",
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      },
      {
        "number": "4",
        "name": "+",
        "type": "passive",
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      }
    ],
    "provenance": {
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        "pages": 4,
        "sha256": "f4df8f6ab99b1449",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "checked": "2026-10-21",
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  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "GBU",
      "Category": "Diodes",
      "Pins": "4"
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    "characteristics": {
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      "rows": [
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          "name": "Maximum repetitive peak reverse voltage",
          "symbol": "VRRM",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "",
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          "name": "Maximum non-repetitive voltage",
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        {
          "name": "Maximum DC blocking voltage",
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        {
          "name": "Maximum DC reverse current at rated DC blocking voltage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TA=25℃",
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          "source": "datasheet"
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        {
          "name": "Maximum DC reverse current at rated DC blocking voltage",
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          "conditions": "TA=125℃",
          "source_page": 1,
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          "name": "Maximum average forward rectified output current",
          "symbol": "Io",
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          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Tc=100℃(1)",
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        {
          "name": "Maximum average forward rectified output current (unit mounted on P.C.B. without heat-sink)",
          "symbol": "Io",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Ta=40℃(2)",
          "source_page": 1,
          "source": "datasheet"
        },
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          "name": "Peak forward surge current 8.3ms single half sine-wave superimposed on rated load",
          "symbol": "IFSM",
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        {
          "name": "Rating of fusing",
          "symbol": "I2t",
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          "name": "Dielectric strength terminals to case",
          "symbol": "Vdia",
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          "unit": "KV",
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          "conditions": "AC 1 minute, Current 1mA",
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          "source": "datasheet"
        },
        {
          "name": "Max instantaneous forward voltage",
          "symbol": "VF",
          "kind": "electrical",
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          "typ": null,
          "max": 1.05,
          "conditions": "at 2.0A",
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        {
          "name": "Maximum thermal resistance junction to ambient per leg (on P.C.B. without heat-sink)",
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          "conditions": "on P.C.B. without heat-sink",
          "source_page": 1,
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        {
          "name": "Maximum thermal resistance junction to case per leg (on Al plate heat-sink)",
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          "unit": "℃/W",
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          "typ": null,
          "max": 3.5,
          "conditions": "per leg on Al plate heat-sink",
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          "name": "Mounting torque rating",
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          "unit": "N.m",
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          "typ": null,
          "max": 0.8,
          "conditions": "Rating torque",
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        {
          "name": "Suggested mounting torque",
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          "unit": "N.m",
          "min": 0.45,
          "typ": null,
          "max": 0.65,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
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  "discovery_triggers": [
    "gbu4m"
  ],
  "discovery_pitch": "GBU4M (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}