SMCJ28AHE3_A

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  "type": "component",
  "slug": "smcj28ahe3-a",
  "title": "SMCJ28AHE3_A",
  "brief": "Vishay Intertech TVS, SMC(DO-214AB). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "SMCJ28AHE3_A",
    "manufacturer": "Vishay Intertech",
    "package": "SMC(DO-214AB)",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c2f7ab986e453491b08c59d4003bd799.pdf",
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    "distributor_links": {
      "lcsc": "C1666894"
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    "distributor_check": {
      "checked_at": "2026-10-27T01:10:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode terminal, marked by the cathode band on the uni-directional SMCJ28A, which has a 28 V stand-off voltage (VWM) and a 31.1 V to 34.4 V breakdown voltage at 1.0 mA."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode terminal at the end opposite the cathode band, which is the end with no band, on the uni-directional SMCJ28A, which clamps at a maximum of 45.4 V at 33.0 A peak pulse current."
      }
    ],
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      "pins": {
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        "described": 2,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "Vishay Intertech",
      "Package": "SMC(DO-214AB)",
      "Category": "TVS/Fuse/Board Level Protection",
      "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"
      },
      "version": 1,
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    "characteristics": {
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      "rows": [
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          "name": "Breakdown voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 31.1,
          "typ": null,
          "max": 34.4,
          "conditions": "at IT = 1.0 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Stand-off voltage",
          "symbol": "VWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse leakage at VWM",
          "symbol": "ID",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "at VWM",
          "source_page": 2,
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        },
        {
          "name": "Maximum peak pulse surge current",
          "symbol": "IPPM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 33,
          "conditions": "10/1000 μs waveform",
          "source_page": 2,
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        {
          "name": "Maximum clamping voltage at IPPM",
          "symbol": "VC",
          "kind": "electrical",
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          "typ": null,
          "max": 45.4,
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        {
          "name": "Test current",
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          "unit": "mA",
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          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power dissipation",
          "symbol": "PPPM",
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          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1500,
          "conditions": "10/1000 μs waveform, TA = 25 °C",
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        {
          "name": "Peak forward surge current (uni-directional only)",
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        },
        {
          "name": "Power dissipation on infinite heatsink",
          "symbol": "PD",
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          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "TA = 50 °C",
          "source_page": 1,
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        },
        {
          "name": "Operating junction and storage temperature range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Typical thermal resistance, junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "Mounted on minimum recommended pad layout",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Typical thermal resistance, junction to lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
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          "source_page": 3,
          "source": "datasheet"
        }
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  "discovery_pitch": "SMCJ28AHE3_A (Vishay Intertech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
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    "email": "[email protected]"
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