KBU1004

{
  "slug": "kbu1004",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Bridge Rectifiers, KBU. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "kbu1004",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "kbu1004.kicad_sym",
    "kbu1004.kicad_mod",
    "kbu1004.glb",
    "kbu1004.step",
    "kbu1004.lbr",
    "docs/hero.png",
    "docs/kbu1004-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "KBU1004",
    "manufacturer": "Changjing",
    "package": "KBU",
    "pin_count": 4,
    "category": "Diodes",
    "subcategory": "Bridge Rectifiers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7dc5f361b0e067fbdb6c7fa862f3306d.pdf",
    "parts": {
      "symbol": "kbu1004.kicad_sym",
      "footprint": "kbu1004.kicad_mod",
      "model_3d": "kbu1004-etched.glb",
      "model_3d_plain": "kbu1004.glb",
      "model_3d_step": "kbu1004-etched.step",
      "model_3d_step_plain": "kbu1004.step",
      "lbr": "kbu1004.lbr"
    },
    "distributor_links": {
      "lcsc": "C5292691",
      "digikey": "1913-KBU1004-ND",
      "mouser": "905-KBU1004"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:07:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1913-KBU1004-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "905-KBU1004",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+",
        "type": "passive",
        "description": "Positive DC output of the bridge; the schematic shows it as the leftmost terminal, and the part is rated for 10A average rectified output (IO, Tc=100℃)."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "AC input terminal of the bridge; VRRM for the KBU10 series is 50V to 1000V, and 1000V is the highest rating."
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "Second AC input terminal of the bridge; the surge forward current limit is 240A (IFSM, 60Hz sine, 1 cycle, Tj=25℃)."
      },
      {
        "number": "4",
        "name": "-",
        "type": "passive",
        "description": "Negative DC output of the bridge; it is the rightmost terminal in the schematic."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin numbers. Pins 1-4 are assigned in the order of the schematic on page 1 (+",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.2047,
        "at": "2026-10-23T03:07:24"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7dc5f361b0e067fbdb6c7fa862f3306d.pdf",
        "pages": 3,
        "sha256": "4eea23a75747292a",
        "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": "kbu1004.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          23.2,
          7.1,
          33.35
        ],
        "zmin_mm": -14.0,
        "centre_offset_mm": 1.65,
        "footprint_binding": "identity",
        "sha256": "fa15a7b4dea57c6438700128584b6c301e81f51249ab4da2276368695aeb3c9c",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "kbu1004-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": [
          23.2,
          7.1,
          33.35
        ],
        "zmin_mm": -14.0,
        "centre_offset_mm": 1.65,
        "footprint_binding": "identity",
        "sha256": "3daf9f22831f7ebb98e8395b04813743903e9a45858c2bf4592bee33e24fd431",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}