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Ray Set visibility: public 96f40bc 6h ago
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  "slug": "1sma5922bt3g",
  "title": "1SMA5922BT3G",
  "brief": "onsemi Zener Diodes, SMA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "category": "Diodes",
    "subcategory": "Zener Diodes",
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    "distributor_links": {
      "lcsc": "C47074",
      "digikey": "1SMA5922BT3GOSTR-ND",
      "mouser": "863-1SMA5922BT3G"
    },
    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "found",
        "lifecycle": "Active"
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        "pn": "863-1SMA5922BT3G",
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    "pins": [
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        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode of the 1.5 W Zener regulator, marked by the molded polarity notch or cathode band; the datasheet gives no pin-specific limit, so use the device ratings (DC power dissipation 1.5 W at TL = 75 °C, operating and storage range −65 to +150 °C)."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode of the Zener regulator; forward conduction is specified at VF = 1.5 V maximum at IF = 200 mA for all types."
      }
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        "at": "2026-10-21T05:25:32"
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        "pages": 5,
        "sha256": "1ca169f64a35c9ee",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 2,
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        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-21",
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    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SMA",
      "Category": "Diodes",
      "Pins": "2"
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      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1ca169f64a35c9ee149e4d108b66410136a57136b0673fd25a58b1e6c2b09957",
      "rows": [
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          "name": "Reverse Zener Voltage (1SMA5922BT3G, 5% type)",
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          "kind": "electrical",
          "unit": "V",
          "min": 7.12,
          "typ": 7.5,
          "max": 7.88,
          "conditions": "@ IZT = 50 mA; VZ guaranteed at thermal equilibrium (Note 4)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener Impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "@ IZT = 50 mA",
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        {
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          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "@ IZK = 0.5 mA",
          "source_page": 2,
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        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "@ VR = 6.0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "@ IF = 200 mA, for all types",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC Zener Current",
          "symbol": "IZM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
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        },
        {
          "name": "Voltage tolerance (type number designation)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Type number listed indicates 5% tolerance (Note 3)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "TL = 75°C, measured zero lead length (Note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derating above TL",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": 20,
          "max": null,
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        {
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          "unit": "W",
          "min": null,
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          "max": 0.5,
          "conditions": "TA = 25°C (Note 2)",
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        {
          "name": "Derating above TA",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": 4,
          "max": null,
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          "source_page": 1,
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        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Thermal Resistance, Junction-to-Lead",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "Junction-to-lead, 1 in² copper pad, FR-4 (Note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "Junction-to-ambient, FR-4, minimum recommended footprint (Note 2)",
          "source_page": 1,
          "source": "datasheet"
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  "discovery_pitch": "1SMA5922BT3G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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