main
Ray Set visibility: public f026ac8 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "szsmf36at1g",
  "title": "SZSMF36AT1G",
  "brief": "Littelfuse TVS, SOD-123FL. 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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    "package": "SOD-123FL",
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    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0419aab2631eea033d807da303d2eb49.pdf",
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      "lbr": "szsmf36at1g.lbr"
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    "distributor_links": {
      "lcsc": "C3709068"
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    "distributor_check": {
      "checked_at": "2026-10-22T20:59:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
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        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the uni-directional TVS diode, marked by the polarity band; connect to the positive/protected line, with VRWM 36 V and VC max 58.1 V at IPP 3.4 A for the SZSMF36A."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode of the uni-directional TVS diode; connect to ground/return, with the device rated for 200 W peak power (10/1000 µs)."
      }
    ],
    "provenance": {
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        "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 shows pin 1 = Cathode and pin 2 = Anode in the soldering footprint figure; text extraction"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0567,
        "at": "2026-10-22T20:58:53"
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        "pages": 6,
        "sha256": "c7f007045647a940",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "role": "eda",
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  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "SOD-123FL",
      "Category": "TVS/Fuse/Board Level Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Terminal Matte Tin-plated leads, Solderable per JESD22-B102",
        "page": 4,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "c7f007045647a940237302b925f534684308a68aecb696e99ac4bd84171b5f9e"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c7f007045647a940237302b925f534684308a68aecb696e99ac4bd84171b5f9e",
      "rows": [
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": 42.1,
          "max": 44.2,
          "conditions": "@ IT = 1 mA, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Working Peak Reverse Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 36,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ VRWM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 58.1,
          "conditions": "@ IPP",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3.4,
          "conditions": "Surge waveform per Figure 2",
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        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "IF = 12 A, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Power Dissipation 10/1000 µs",
          "symbol": "PPK",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "PW-10/1000 µs, TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Power Dissipation 8/20 µs",
          "symbol": "PPK",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
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          "source_page": 1,
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        },
        {
          "name": "DC Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 385,
          "conditions": "TA = 25°C, minimum pad, FR-4",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derate Above 25°C",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Above TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 325,
          "conditions": "Recommended minimum pad, FR-4",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 26,
          "conditions": "Recommended minimum pad, FR-4",
          "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"
        }
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "SZSMF36AT1G (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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