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Ray Set visibility: public 66fb7ac 13h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "esd5621w04-2",
  "title": "ESD5621W04-2",
  "brief": "WILLSEMI(Will Semicon) ESD Protection Devices, SOD-323F. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOD-323F",
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    "category": "Circuit Protection",
    "subcategory": "ESD Protection Devices",
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      "lbr": "esd5621w04-2.lbr"
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    "distributor_links": {
      "lcsc": "C239608"
    },
    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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      "mouser": {
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        "status": "quota"
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    },
    "pins": [
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        "name": "Pin 1",
        "type": "passive",
        "description": "Terminal of the 1-line uni-directional TVS (VRWM 4.5V, VBR 5.2-7.0V at 1mA for ESD5621W04), with clamping voltage measured from pin 1 to pin 2."
      },
      {
        "number": "2",
        "name": "Pin 2",
        "type": "passive",
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      }
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text gives only Pin 1 and Pin 2. The circuit diagram (anode/cathode assignment) is a g; The datasheet text does not give a pin-to-pad mapping for SOD-323F. It only says 'Bottom View' in th"
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        "cost_usd": 0.0409,
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        "checked": "2026-10-22",
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  "metadata": {
    "specs": {
      "Manufacturer": "WILLSEMI(Will Semicon)",
      "Package": "SOD-323F",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fcc9b68db464cac6adec00247ad13cedb245d33a55cf081da4cb3592de39094e",
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          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 4.5,
          "conditions": "",
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          "source": "datasheet"
        },
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          "name": "Breakdown voltage",
          "symbol": "VBR",
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          "unit": "V",
          "min": 5.2,
          "typ": 6.1,
          "max": 7,
          "conditions": "IBR = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
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          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "at VRWM",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.45,
          "typ": null,
          "max": 1.25,
          "conditions": "IF = 20mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 900,
          "max": 1200,
          "conditions": "F = 1MHz, VR = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rated peak pulse current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 95,
          "conditions": "8/20μs, non-repetitive, pin 1 to pin 2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage at IPP",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 14.5,
          "conditions": "at IPP, 8/20μs, pin 1 to pin 2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage at IPP = 16A",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "IPP = 16A, tp = 100ns, IEC61000-4-2, pin 1 to pin 2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage at VESD = 8kV",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VESD = 8kV, IEC61000-4-2, pin 1 to pin 2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power",
          "symbol": "Ppk",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1400,
          "conditions": "tp=8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD air discharge",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "IEC61000-4-2 air discharge",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD contact discharge",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "IEC61000-4-2 contact discharge",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TOP",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "ESD5621W04-2 (WILLSEMI(Will Semicon)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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