main
Ray Set visibility: public 974eae3 6d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "uf108",
  "title": "UF108",
  "brief": "SUNMATE Elec Fast Recovery / High Efficiency Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "extractor-text"
  ],
  "component": {
    "mpn": "UF108",
    "manufacturer": "SUNMATE Elec",
    "package": "DO-41",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Fast Recovery / High Efficiency Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e3d49811111f2532b68eb0060e87da32.pdf",
    "parts": {
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      "footprint": "uf108.kicad_mod",
      "model_3d": "uf108-hero.glb",
      "model_3d_step": "uf108.step",
      "lbr": "uf108.lbr",
      "model_3d_plain": "uf108.glb"
    },
    "distributor_links": {
      "lcsc": "C5338391"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T05:42:22Z",
      "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 cathode band on the DO-41 body; blocks up to 800V DC (VRRM/VR for UF108) and conducts up to 1.0A average rectified current."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode lead of the DO-41 axial package; forward voltage is 1.7V max at IF = 1.0A for the UF108."
      }
    ],
    "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 has no pin table; pin numbers 1/2 are assigned by convention (axial diode, cathode marked "
        ],
        "pages_sent": 2,
        "cost_usd": 0.0285,
        "at": "2026-10-22T05:41:14"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e3d49811111f2532b68eb0060e87da32.pdf",
        "pages": 2,
        "sha256": "4c8ad4cb60f1a8ea",
        "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": "uf108.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.96,
          2.72,
          5.71
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c3e23d4b276811b74eecb329bd4480209ad3dbc8cf6e6e3f2a5b542c5ca343c1",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SUNMATE Elec",
      "Package": "DO-41",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4c8ad4cb60f1a8eac253da22466f45724fbadf792fa4a8c4a53e5f480445f9fc",
      "rows": [
        {
          "name": "Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage",
          "symbol": "VRRM, VRWM, VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "RMS Reverse Voltage",
          "symbol": "VR(RMS)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 560,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average Rectified Output Current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "TA = 55C, leads at ambient temperature 9.5mm from case",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Non-Repetitive Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "8.3ms single half sine-wave superimposed on rated load (JEDEC method)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VFM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.3,
          "conditions": "IF = 1.0A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Current",
          "symbol": "IRM",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TA = 25C, at rated DC blocking voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Current",
          "symbol": "IRM",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "TA = 100C, at rated DC blocking voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery Time",
          "symbol": "trr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "IF = 0.5A, IR = 1.0A, Irr = 0.25A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Junction Capacitance",
          "symbol": "Cj",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "1.0MHz, applied reverse voltage 4.0V DC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "Tj, TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "uf108"
  ],
  "discovery_pitch": "UF108 (SUNMATE Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "uf108.kicad_sym",
    "uf108.kicad_mod",
    "uf108.glb",
    "uf108.step",
    "uf108.lbr",
    "docs/hero.png",
    "docs/uf108-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uf108-hero.glb",
    "uf108-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}