GBU401

{
  "slug": "gbu401",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Bridge Rectifiers, GBU. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "gbu401",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gbu401.kicad_sym",
    "gbu401.kicad_mod",
    "gbu401.glb",
    "gbu401.step",
    "gbu401.lbr",
    "docs/hero.png",
    "docs/gbu401-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gbu401-hero.glb",
    "gbu401-hero.overlay.json",
    "gbu401-etched.glb"
  ],
  "component": {
    "mpn": "GBU401",
    "manufacturer": "Changjing",
    "package": "GBU",
    "pin_count": 4,
    "category": "Diodes",
    "subcategory": "Bridge Rectifiers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/398cba210cc962eff310f7f55d8df547.pdf",
    "parts": {
      "symbol": "gbu401.kicad_sym",
      "footprint": "gbu401.kicad_mod",
      "model_3d": "gbu401-hero.glb",
      "model_3d_plain": "gbu401-etched.glb",
      "model_3d_step": "gbu401-etched.step",
      "model_3d_step_plain": "gbu401.step",
      "lbr": "gbu401.lbr"
    },
    "distributor_links": {
      "lcsc": "C5292672",
      "digikey": "GBU401DI-ND",
      "mouser": "821-GBU401"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:02:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "GBU401DI-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "821-GBU401",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+",
        "type": "passive",
        "description": "Positive DC output of the bridge; rated for 4 A average rectified output (Tc=100℃ with heatsink) and VRRM 50V-1000V by suffix."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "AC input terminal of the bridge; maximum RMS voltage 35V to 700V depending on the suffix."
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "AC input terminal of the bridge; maximum RMS voltage 35V to 700V depending on the suffix."
      },
      {
        "number": "4",
        "name": "-",
        "type": "passive",
        "description": "Negative DC output of the bridge (return); terminals-to-case dielectric strength 2 kV AC for 1 minute."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 text does not print pin numbers. The pin numbers 1-4 were assigned from the order of t; The datasheet covers the whole GBU4005 to GBU410 family. No table maps the MPN 'GBU401' to a suffix."
        ],
        "pages_sent": 3,
        "cost_usd": 0.0855,
        "at": "2026-10-23T06:01:42"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/398cba210cc962eff310f7f55d8df547.pdf",
        "pages": 3,
        "sha256": "9d3e7e5a40e803ad",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gbu401.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": -16.0,
        "centre_offset_mm": 0.6,
        "footprint_binding": "identity",
        "sha256": "8031b8811f103efe801ea21c1e48def9cf6d14d909a4b82ba505562fec514beb",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gbu401-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": [
          22.1,
          3.4,
          36.4
        ],
        "zmin_mm": -16.0,
        "centre_offset_mm": 0.6,
        "footprint_binding": "identity",
        "sha256": "1aa2b9739bf08df3533f0fe954240944984badf93742f47178e24050197c8529",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}