main
Ray Set visibility: public 661bdef 15d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tpsmb24ca",
  "title": "TPSMB24CA",
  "brief": "Littelfuse TVS, DO-214AA. 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",
    "tpsmb24ca",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPSMB24CA",
    "manufacturer": "Littelfuse",
    "package": "DO-214AA",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/71e836945e5f0bc0d7481eeeffc9fd69.pdf",
    "parts": {
      "symbol": "tpsmb24ca.kicad_sym",
      "footprint": "tpsmb24ca.kicad_mod",
      "model_3d": "tpsmb24ca-hero.glb",
      "model_3d_plain": "tpsmb24ca-etched.glb",
      "model_3d_step": "tpsmb24ca-etched.step",
      "model_3d_step_plain": "tpsmb24ca.step",
      "lbr": "tpsmb24ca.lbr"
    },
    "distributor_links": {
      "lcsc": "C434732"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T19:09:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Bi-directional TVS terminal with no polarity (TPSMB24CA: VR 20.5 V, VBR 22.8 V at 1 mA, max clamping 33.2 V at 18.4 A); either terminal connects to the protected line."
      },
      {
        "number": "2",
        "name": "A2",
        "type": "passive",
        "description": "Bi-directional TVS terminal with no polarity (TPSMB24CA: VR 20.5 V, VBR 22.8 V at 1 mA, max clamping 33.2 V at 18.4 A); either terminal connects to the protected line or ground."
      }
    ],
    "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 shows a two-terminal DO-214AA (SMB J-Bend) package with a functional diagram, but it p"
        ],
        "pages_sent": 6,
        "cost_usd": 0.08,
        "at": "2026-10-22T19:09:35"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/71e836945e5f0bc0d7481eeeffc9fd69.pdf",
        "pages": 6,
        "sha256": "11f500633484b187",
        "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": [
      {
        "file": "tpsmb24ca.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpsmb24ca-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.55,
          2.15
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "06acd9f94d0835039ecc20772182f244995500b432d9de08b21244b6ace917b2",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "DO-214AA",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "seconds at terminals • Matte tin lead–free plated",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "11f500633484b18741a4da290f6390845c5ddb3edb0149dc2ae434898f9779c6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "11f500633484b18741a4da290f6390845c5ddb3edb0149dc2ae434898f9779c6",
      "rows": [
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 20.5,
          "typ": null,
          "max": 25.2,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Stand-off Voltage",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 22.8,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 33.2,
          "conditions": "@ Ipp = 18.4 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Peak Pulse Current",
          "symbol": "Ipp",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 18.4,
          "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": "Typical IR at 150°C",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "@ 150°C",
          "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": "Temperature coefficient of VBR",
          "symbol": "αT",
          "kind": "temperature_coefficient",
          "unit": "%/C",
          "min": null,
          "typ": null,
          "max": 0.091,
          "conditions": "Maximum",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VBR tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "5% VBR voltage tolerance (A/CA suffix)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power Dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 600,
          "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": 5,
          "conditions": "TL=50°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "8.3ms single half sine wave, unidirectional only",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 175,
          "conditions": "VBR ≤ 91V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tpsmb24ca"
  ],
  "discovery_pitch": "TPSMB24CA (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tpsmb24ca.kicad_sym",
    "tpsmb24ca.kicad_mod",
    "tpsmb24ca.glb",
    "tpsmb24ca.step",
    "tpsmb24ca.lbr",
    "docs/hero.png",
    "docs/tpsmb24ca-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tpsmb24ca-hero.glb",
    "tpsmb24ca-hero.overlay.json",
    "tpsmb24ca-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}