GBU804

{
  "schema_version": 1,
  "type": "component",
  "slug": "gbu804",
  "title": "GBU804",
  "brief": "Changjing Bridge Rectifiers, GBU. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "GBU804",
    "manufacturer": "Changjing",
    "package": "GBU",
    "pin_count": 4,
    "category": "Diodes",
    "subcategory": "Bridge Rectifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603132800183132160",
    "parts": {
      "symbol": "gbu804.kicad_sym",
      "footprint": "gbu804.kicad_mod",
      "model_3d": "gbu804-hero.glb",
      "model_3d_plain": "gbu804-etched.glb",
      "model_3d_step": "gbu804-etched.step",
      "model_3d_step_plain": "gbu804.step",
      "lbr": "gbu804.lbr"
    },
    "distributor_links": {
      "lcsc": "C5292656"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:11:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+",
        "type": "passive",
        "description": "Positive DC output terminal, marked + on the package drawing, at the leftmost lead; the bridge is rated 8 A average output (Tc=110°C with heatsink) and VRRM up to 1000V depending on grade."
      },
      {
        "number": "2",
        "name": "AC1",
        "type": "passive",
        "description": "AC input terminal at the second lead position, unmarked on the drawing; the bridge is rated VRMS 35V to 700V depending on grade."
      },
      {
        "number": "3",
        "name": "AC2",
        "type": "passive",
        "description": "AC input terminal at the third lead position, unmarked on the drawing; the bridge is rated VRMS 35V to 700V depending on grade."
      },
      {
        "number": "4",
        "name": "-",
        "type": "passive",
        "description": "Negative DC output terminal, marked − on the package drawing, at the rightmost lead; the bridge is rated 8 A average output (Tc=110°C with heatsink) and VRRM up to 1000V depending on grade."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603132800183132160",
        "pages": 3,
        "sha256": "13c69679fdbd11b9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
      {
        "file": "gbu804.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          22.1,
          3.4,
          36.4
        ],
        "zmin_mm": -16,
        "centre_offset_mm": 0.6,
        "footprint_binding": "identity",
        "sha256": "8031b8811f103efe801ea21c1e48def9cf6d14d909a4b82ba505562fec514beb",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gbu804-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -16,
        "centre_offset_mm": 0.6,
        "footprint_binding": "identity",
        "sha256": "5880df604716f1f121de652908a8df9b4307f9a47195281f9ebea71ad9881118",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "GBU",
      "Category": "Diodes",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "13c69679fdbd11b9c5487f8726f84475977e8d2990ffe540881830525095d62e",
      "rows": [
        {
          "name": "Peak Forward Voltage",
          "symbol": "VFM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IFM=4A, Pulse measurement, Rating of per diode",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Current",
          "symbol": "IRRM",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VRM=VRRM, Pulse measurement, Rating of per diode",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Repetitive Peak Reverse Voltage (GBU804, column 04)",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum RMS Voltage (GBU804, column 04)",
          "symbol": "VRMS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": 280,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average Rectified Output Current, with heatsink",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "60Hz sine wave, R-load, With heatsink Tc =110℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average Rectified Output Current, without heatsink",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": 2.9,
          "max": null,
          "conditions": "60Hz sine wave, R-load, Without heatsink Ta =25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Surge (Non-repetitive) Forward Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "60HZ sine wave, 1 cycle, Tj=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Current Squared Time",
          "symbol": "I2t",
          "kind": "absolute_maximum",
          "unit": "A2S",
          "min": null,
          "typ": 166,
          "max": null,
          "conditions": "1ms≤t<8.3ms Tj=25℃, Rating of per diode",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Dielectric Strength",
          "symbol": "Vdis",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "Terminals to case, AC 1 minute",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Recommended Mounting Torque",
          "symbol": "Tor",
          "kind": "recommended_operating",
          "unit": "kg·cm",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "Recommend torque",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Ambient",
          "symbol": "RθJ-A",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "Between junction and ambient, Without heatsink",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Case",
          "symbol": "RθJ-C",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 2.3,
          "max": null,
          "conditions": "Between junction and case, With heatsink",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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    "viewers",
    "readme",
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    "info"
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  "discovery_triggers": [
    "gbu804"
  ],
  "discovery_pitch": "GBU804 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "path": "docs/hero.png"
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    "gbu804.lbr",
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}