30KPA33A

{
  "schema_version": 1,
  "type": "component",
  "slug": "30kpa33a",
  "title": "30KPA33A",
  "brief": "Littelfuse TVS, P600. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "circuit protection",
    "30kpa33a",
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  "component": {
    "mpn": "30KPA33A",
    "manufacturer": "Littelfuse",
    "package": "P600",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/454d788825e7b6231f953316b87a7572.pdf",
    "parts": {
      "symbol": "30kpa33a.kicad_sym",
      "footprint": "30kpa33a.kicad_mod",
      "model_3d": "30kpa33a-hero.glb",
      "model_3d_step": "30kpa33a.step",
      "lbr": "30kpa33a.lbr",
      "model_3d_plain": "30kpa33a.glb"
    },
    "distributor_links": {
      "lcsc": "C1976261",
      "digikey": "30KPA33ATR-ND",
      "mouser": "576-30KPA33A"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T19:13:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "30KPA33ATR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "576-30KPA33A",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode lead of the unidirectional TVS, marked by the color band, with 33 V reverse standoff voltage and 36.90 V to 40.59 V breakdown at 50 mA for the 30KPA33A-HRA."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode lead of the unidirectional TVS, with a maximum clamping voltage of 58.5 V at 517.9 A peak pulse current for the 30KPA33A-HRA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers the 30KPA-HRA series, and the listed part is 30KPA33A-HRA. The requested MPN 30; The datasheet gives no pin numbers for the axial P600 package. It only labels Cathode and Anode in t; Electrical values come from the 30KPA33A-HRA row (VR 33 V, VBR 36.90 to 40.59 V at 50 mA, IPP 517.9 "
        ],
        "pages_sent": 7,
        "cost_usd": 0.1428,
        "at": "2026-11-02T19:12:59"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/454d788825e7b6231f953316b87a7572.pdf",
        "pages": 7,
        "sha256": "a8bff9b426134a12",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
      {
        "file": "30kpa33a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          21.3,
          9.12,
          12.11
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b1025a5715db29468cb738f409adc8609f28da161dc5e12b574372876d9b5822",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "P600",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "• Lead-free matte tin plated package",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "a8bff9b426134a128b3de7a431842c86f47c77ebc567f60d37987ebbf885b7f2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a8bff9b426134a128b3de7a431842c86f47c77ebc567f60d37987ebbf885b7f2",
      "rows": [
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 36.9,
          "typ": null,
          "max": 40.59,
          "conditions": "@ IT = 50 mA, TA=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Stand-off Voltage",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 33,
          "max": null,
          "conditions": "TA=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Peak Pulse Current",
          "symbol": "Ipp",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 517.9,
          "conditions": "TA=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5000,
          "conditions": "@ VR, TA=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 58.5,
          "conditions": "@ IPP, TA=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Test Current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "TA=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power Dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "kW",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "10/1000μs test waveform (Fig.2), TA=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Steady State Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Infinite heat sink at TL=75ºC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "8.3ms single half sine wave, unidirectional only",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance Junction to Lead",
          "symbol": "RƟJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance Junction to Ambient",
          "symbol": "RƟJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage Tolerance",
          "symbol": "VBR",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Type code A, uni-directional",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage Temperature Coefficient",
          "symbol": "αT",
          "kind": "temperature_coefficient",
          "unit": "%",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25))",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "30KPA33A (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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