US1D-E3

{
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  "type": "component",
  "slug": "us1d-e3",
  "title": "US1D-E3",
  "brief": "Vishay Intertech Diodes - Fast Recovery Rectifiers, SMA(DO-214AC). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "US1D-E3",
    "manufacturer": "Vishay Intertech",
    "package": "SMA(DO-214AC)",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Diodes - Fast Recovery Rectifiers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/638e1c8ac6473036a31e02bb95810166.pdf",
    "parts": {
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      "lbr": "us1d-e3.lbr"
    },
    "distributor_links": {
      "lcsc": "C467002"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:29:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, the end marked by the color band on the SMA (DO-214AC) package; the diode blocks up to 200 V (VRRM/VDC for US1D)."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the end opposite the cathode color band; US1D conducts 1.0 A average forward current (IF(AV)) at TL = 110 °C."
      }
    ],
    "provenance": {
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not print pin numbers 1/2 or the names A/K for the SMA package. It only says 'Pol"
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        "cost_usd": 0.0558,
        "at": "2026-10-22T21:28:50"
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        "pages": 5,
        "sha256": "39bb7d4a2d9fc276",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
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        "refuses_to_fabricate": true
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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  "metadata": {
    "specs": {
      "Manufacturer": "Vishay Intertech",
      "Package": "SMA(DO-214AC)",
      "Category": "Diodes",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Terminals: matte tin plated leads, solderable per J-STD-002 and JESD 22-B102",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
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      "version": 1,
      "datasheet_sha256": "39bb7d4a2d9fc276fd3c084ce6248a25dc3c4cc5efd154ed3d33fad504d76a90"
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    "characteristics": {
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      "source": "datasheet",
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      "rows": [
        {
          "name": "Maximum repetitive peak reverse voltage",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "TA = 25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum RMS voltage",
          "symbol": "VRMS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 140,
          "conditions": "TA = 25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC blocking voltage",
          "symbol": "VDC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "TA = 25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum average forward rectified current",
          "symbol": "IF(AV)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "TL = 110 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak forward surge current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "8.3 ms single half sine-wave superimposed on rated load",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating and storage temperature range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum instantaneous forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IF = 1.0 A, TA = 25 °C, pulse test 300 μs, 1 % duty cycle",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "At rated DC blocking voltage, TA = 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "At rated DC blocking voltage, TA = 100 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse recovery time",
          "symbol": "trr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Typical junction capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "4.0 V, 1 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "PCB mounted on 0.2\" x 0.2\" (5.0 mm x 5.0 mm) copper pad area",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum thermal resistance junction to lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 27,
          "conditions": "PCB mounted on 0.2\" x 0.2\" (5.0 mm x 5.0 mm) copper pad area",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "US1D-E3 (Vishay Intertech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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