HER305

{
  "slug": "her305",
  "version": "0.1.0",
  "type": "component",
  "description": "YFW Fast Recovery / High Efficiency Diodes, DO-27. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "her305",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "her305.kicad_sym",
    "her305.kicad_mod",
    "her305.glb",
    "her305.step",
    "her305.lbr",
    "docs/hero.png",
    "docs/her305-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "her305-hero.glb",
    "her305-hero.overlay.json"
  ],
  "component": {
    "mpn": "HER305",
    "manufacturer": "YFW",
    "package": "DO-27",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Fast Recovery / High Efficiency Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590202574080417792",
    "parts": {
      "symbol": "her305.kicad_sym",
      "footprint": "her305.kicad_mod",
      "model_3d": "her305-hero.glb",
      "model_3d_step": "her305.step",
      "lbr": "her305.lbr",
      "model_3d_plain": "her305.glb"
    },
    "distributor_links": {
      "lcsc": "C2898554",
      "digikey": "6557-HER305TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-13T13:24:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "6557-HER305TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, the lead at the end of the body with the cathode mark band; the datasheet rates the part at 400 V VRRM/VDC (HER305) and 3.0 A average forward current."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the lead at the end of the body opposite the cathode band; the datasheet gives 150 A peak forward surge current (8.3 ms half sine) and a maximum forward voltage of 1.7 V at 3.0 A for HER305."
      }
    ],
    "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 package drawing (page 3) shows only the cathode band on a two-lead axial body and prints no pin ; The VF column on page 1 lists 1.0, 1.4 and 1.7 V without saying which type each value belongs to. Th",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0686,
        "at": "2026-10-13T13:24:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590202574080417792",
        "pages": 3,
        "sha256": "2a7aa173a749047b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "her305.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          16.14,
          5.35,
          8.34
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "aa9f03a97b19122d8c50b826e938bb3e6eac4942dae4292a7ed12e25ffe77428",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}