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Ray Set visibility: public 387dcc5 4d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "her508",
  "title": "HER508",
  "brief": "Yangzhou Yangjie Elec Tech High Effic Rectifier, DO-201AD. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "diodes",
    "her508",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HER508",
    "manufacturer": "Yangzhou Yangjie Elec Tech",
    "package": "DO-201AD",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "High Effic Rectifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0958eee0d6441e507ae25a5d4d72f364.pdf",
    "parts": {
      "symbol": "her508.kicad_sym",
      "footprint": "her508.kicad_mod",
      "model_3d": "her508-hero.glb",
      "model_3d_step": "her508.step",
      "lbr": "her508.lbr",
      "model_3d_plain": "her508.glb"
    },
    "distributor_links": {
      "lcsc": "C698711"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T15:57:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, identified by the color band on the DO-201AD (DO-27) package; HER508 has VRRM of 1000 V and 5.0 A average forward current."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the lead opposite the color-banded cathode end; HER508 has IFSM of 150 A non-repetitive forward surge current."
      }
    ],
    "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: Datasheet describes a two-lead axial diode and gives no pin numbers; only the polarity (color band d"
        ],
        "pages_sent": 4,
        "cost_usd": 0.035,
        "at": "2026-10-22T15:52:30"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0958eee0d6441e507ae25a5d4d72f364.pdf",
        "pages": 4,
        "sha256": "0c3ce88c27e255bf",
        "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.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          16.54,
          5.22,
          8.21
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "74dfc3e30557da83985dc913a3e74e2db498d62d061b20b48cba0cdf7b37301b",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Yangzhou Yangjie Elec Tech",
      "Package": "DO-201AD",
      "Category": "Diodes",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "● Terminals: Tin plated leads, solderable per J-STD- 002 and JESD22-B102",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "0c3ce88c27e255bf3e54d24d4f2b98a984968f0491f551363addcbeaea127cf5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0c3ce88c27e255bf3e54d24d4f2b98a984968f0491f551363addcbeaea127cf5",
      "rows": [
        {
          "name": "Repetitive Peak Reverse Voltage",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average Forward Current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "@60Hz sine wave, Resistance load, Ta=50℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward Surge Current (Non-repetitive)",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "@60Hz Half-sine wave, 1 cycle, Ta=25℃",
          "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": "Maximum instantaneous forward voltage drop per diode",
          "symbol": "VFM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.7,
          "conditions": "IFM=5.0A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC reverse current at rated DC blocking voltage",
          "symbol": "IRRM1",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC reverse current at rated DC blocking voltage",
          "symbol": "IRRM2",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Ta=125℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery time",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "IF=0.5A IR=1A IRR=0.25A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical junction capacitance",
          "symbol": "Cj",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "Measured at 1MHZ and Applied Reverse Voltage of 4.0 V.D.C.",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (Typical)",
          "symbol": "RθJ-A",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "her508"
  ],
  "discovery_pitch": "HER508 (Yangzhou Yangjie Elec Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "her508.kicad_sym",
    "her508.kicad_mod",
    "her508.glb",
    "her508.step",
    "her508.lbr",
    "docs/hero.png",
    "docs/her508-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "her508-hero.glb",
    "her508-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}