main
Ray Set visibility: public 0773aab 8h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tpsmc75a",
  "title": "TPSMC75A",
  "brief": "Littelfuse TVS, DO-214AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "tpsmc75a",
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  ],
  "component": {
    "mpn": "TPSMC75A",
    "manufacturer": "Littelfuse",
    "package": "DO-214AB",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fe4080287c353e08b3ea1d595394f567.pdf",
    "parts": {
      "symbol": "tpsmc75a.kicad_sym",
      "footprint": "tpsmc75a.kicad_mod",
      "model_3d": "tpsmc75a-hero.glb",
      "model_3d_plain": "tpsmc75a-etched.glb",
      "model_3d_step": "tpsmc75a-etched.step",
      "model_3d_step_plain": "tpsmc75a.step",
      "lbr": "tpsmc75a.lbr"
    },
    "distributor_links": {
      "lcsc": "C1975234"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:25:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode terminal of the unidirectional TVS, marked by the cathode band and connected to the positive side of the protected line (VR 64.1 V, VBR 71.3 V min at 1 mA)."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode terminal of the unidirectional TVS, connected to the return/ground side of the protected line (VF max 3.5 V at 100 A)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "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: The datasheet does not print pin numbers for the DO-214AB package; it only shows two terminals label"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0669,
        "at": "2026-10-22T21:25:33"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fe4080287c353e08b3ea1d595394f567.pdf",
        "pages": 5,
        "sha256": "dd1f7a59f449c6bc",
        "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"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          5.9,
          2.31
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "30dab4c2e22239b7e3694a4d45304e04255c6b70a79d28e9c34c6072ba647991",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpsmc75a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e7c4d66c63be1b99da1e7ff474df19043620532ea48474602054c5dad634978d",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "DO-214AB",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "■ Matte tin lead–free plated ■ Halogen free and RoHS",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "dd1f7a59f449c6bcfe4462f651f69a0a8b5e1b141a530e3958c55d2980f951c1"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "dd1f7a59f449c6bcfe4462f651f69a0a8b5e1b141a530e3958c55d2980f951c1",
      "rows": [
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 71.3,
          "typ": null,
          "max": 78.8,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Stand-off Voltage",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 64.1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 103,
          "conditions": "@ Ipp = 14.8 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Peak Pulse Current",
          "symbol": "Ipp",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 14.8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ VR",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Test Current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power Dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1500,
          "conditions": "10/1000µs waveform, TA=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation on Infinite Heat Sink",
          "symbol": "PM(AV)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "TA=50°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "8.3ms single half sine wave, unidirectional only",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Instantaneous Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "at 100A, unidirectional only",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Lead",
          "symbol": "RuJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "RuJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage Tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Part numbering: 5% Vbr voltage tolerance",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tpsmc75a"
  ],
  "discovery_pitch": "TPSMC75A (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
  },
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    "tpsmc75a.step",
    "tpsmc75a.lbr",
    "docs/hero.png",
    "docs/tpsmc75a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "tpsmc75a-hero.overlay.json",
    "tpsmc75a-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}