HER508 TB

{
  "slug": "her508-tb",
  "version": "0.1.0",
  "type": "component",
  "description": "YFW High Effic Rectifier, DO-27. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "her508 tb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "her508-tb.kicad_sym",
    "her508-tb.kicad_mod",
    "her508-tb.glb",
    "her508-tb.step",
    "her508-tb.lbr",
    "docs/hero.png",
    "docs/her508-tb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "her508-tb-hero.glb",
    "her508-tb-hero.overlay.json"
  ],
  "component": {
    "mpn": "HER508 TB",
    "manufacturer": "YFW",
    "package": "DO-27",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "High Effic Rectifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2117abb93b796ac1744287d1e5e53b9e.pdf",
    "parts": {
      "symbol": "her508-tb.kicad_sym",
      "footprint": "her508-tb.kicad_mod",
      "model_3d": "her508-tb-hero.glb",
      "model_3d_step": "her508-tb.step",
      "lbr": "her508-tb.lbr",
      "model_3d_plain": "her508-tb.glb"
    },
    "distributor_links": {
      "lcsc": "C2898515"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:25:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode lead, the end marked with the cathode band on the DO-201AD/DO-27 body; HER508 blocks up to 1000 V VRRM and passes 5.0 A average forward current."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode lead, the unmarked end of the DO-201AD/DO-27 axial body; HER508 has a forward current rating of 5.0 A average at Tc = 100 °C."
      }
    ],
    "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 prints no pin numbers or pin table. It only shows a 'Cathode Mark' on the package outl; The 'TB' suffix is not explained in the datasheet. The packing table lists only 'BOX 250/1000/1250',"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0336,
        "at": "2026-10-22T21:25:43"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2117abb93b796ac1744287d1e5e53b9e.pdf",
        "pages": 3,
        "sha256": "d1a425c5ca09d862",
        "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": "her508-tb.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}