main
Ray Set visibility: public 64762e6 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tpsmbj54a",
  "title": "TPSMBJ54A",
  "brief": "DOWO TVS, SMB(DO-214AA). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "package": "SMB(DO-214AA)",
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    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/99c62c8a2c8b9edf47a12f80323c28e9.pdf",
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      "model_3d_plain": "tpsmbj54a-etched.glb",
      "model_3d_step": "tpsmbj54a-etched.step",
      "model_3d_step_plain": "tpsmbj54a.step",
      "lbr": "tpsmbj54a.lbr"
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    "distributor_links": {
      "lcsc": "C284050"
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    "distributor_check": {
      "checked_at": "2026-10-29T01:15:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
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      },
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        "number": "2",
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    ],
    "provenance": {
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        "primary_model": "cathode-band convention",
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        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0012,
        "at": "2026-10-29T01:15:49"
      },
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        "pages": 3,
        "sha256": "9bd44bbeccc01876",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "centre_offset_mm": 0,
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        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpsmbj54a-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
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        "sha256": "0a5e4a3a4f8e96388610c68263bc4e85b31ef00ab9ae83e1ef67511a0b8331d6",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ],
    "package_dims": {
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      "source_page": 1,
      "D": {
        "nom_mm": 4.6,
        "range_mm": [
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      "E1": {
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      "A": {
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        "range_mm": [
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      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tpsmbj54a.step",
        "verdict": "PASS",
        "reasons": [
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        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "DOWO",
      "Package": "SMB(DO-214AA)",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9bd44bbeccc018766adb3f70d8f3790943b49d785b44306885ce1b430f6483ad",
      "rows": [
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          "name": "Breakdown voltage (min)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "@ IT = 1 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Breakdown voltage (max)",
          "symbol": "VBR",
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          "min": null,
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          "max": 66.3,
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        {
          "name": "Maximum clamping voltage",
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          "typ": null,
          "max": 87.1,
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        {
          "name": "Maximum reverse surge current",
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          "typ": null,
          "max": 6.89,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Working peak reverse voltage",
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          "conditions": "",
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        {
          "name": "Peak power dissipation",
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          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "10/1000μs waveform",
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        {
          "name": "Power dissipation on infinite heatsink",
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          "typ": null,
          "max": 5,
          "conditions": "TL = 75 °C",
          "source_page": 1,
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        {
          "name": "Peak forward surge current",
          "symbol": "IFSM",
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          "unit": "A",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "8.3 ms single half sine-wave, unidirectional only",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum instantaneous forward voltage",
          "symbol": "VF",
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          "max": 3.5,
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          "source_page": 1,
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        },
        {
          "name": "Operating junction and storage temperature range",
          "symbol": "TJ, TSTG",
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  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
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  ],
  "discovery_pitch": "TPSMBJ54A (DOWO) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "tpsmbj54a-etched.glb"
  ],
  "visibility": {
    "public": true
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}