main
Ray Set visibility: public 2ccb77b 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "smlj33ca",
  "title": "SMLJ33CA",
  "brief": "BOURNS TVS, SMC(DO-214AB). 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",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "circuit protection",
    "smlj33ca",
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    "mpn": "SMLJ33CA",
    "manufacturer": "BOURNS",
    "package": "SMC(DO-214AB)",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/93c21f08f98ec298b42e7e73fa092381.pdf",
    "parts": {
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      "footprint": "smlj33ca.kicad_mod",
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      "model_3d_plain": "smlj33ca-etched.glb",
      "model_3d_step": "smlj33ca-etched.step",
      "model_3d_step_plain": "smlj33ca.step",
      "lbr": "smlj33ca.lbr"
    },
    "distributor_links": {
      "lcsc": "C1973811",
      "mouser": "652-SMLJ33CA"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T02:11:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "652-SMLJ33CA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode."
      }
    ],
    "provenance": {
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        "extractor": "extract_pins",
        "primary_model": "cathode-band convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0029,
        "at": "2026-10-29T02:11:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/93c21f08f98ec298b42e7e73fa092381.pdf",
        "pages": 6,
        "sha256": "42dea63b7010613e",
        "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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    "viewers": {
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      "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": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "30dab4c2e22239b7e3694a4d45304e04255c6b70a79d28e9c34c6072ba647991",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smlj33ca-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
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        "sha256": "abda6ab365d62435e3e7684c791b86c465043a02bb701252763d763c154b6c3e",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SMC (DO-214AB)",
      "source_page": 3,
      "D": {
        "nom_mm": 5.905,
        "range_mm": [
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      "E1": {
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        "range_mm": [
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      "E": {
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        "range_mm": [
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      },
      "A": {
        "nom_mm": 2.31,
        "range_mm": [
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          2.62
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "smlj33ca.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BOURNS",
      "Package": "SMC(DO-214AB)",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "42dea63b7010613e35253f6cf4dbd096c8f6cbe30b95c3fc6826a5018be8173e",
      "rows": [
        {
          "name": "Breakdown Voltage (bidirectional SMLJ33CA)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 36.7,
          "typ": null,
          "max": 40.6,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage @ VRWM (SMLJ33CA, VRWM = 33 V)",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "@ VRWM = 33 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage @ Ipp (10/1000 µs)",
          "symbol": "Vc",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 53.3,
          "conditions": "@ Ipp = 56.20 A, 10/1000 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Peak Pulse Current (10/1000 µs)",
          "symbol": "Ipp",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 56.2,
          "conditions": "10/1000 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage @ Ipp (8/20 µs)",
          "symbol": "Vc",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 69.3,
          "conditions": "@ Ipp = 281.50 A, 8/20 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Peak Pulse Current (8/20 µs)",
          "symbol": "Ipp",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 281.5,
          "conditions": "8/20 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum Peak Pulse Power Dissipation",
          "symbol": "PPK",
          "kind": "electrical",
          "unit": "Watts",
          "min": 3000,
          "typ": null,
          "max": null,
          "conditions": "TP = 1 ms (Notes 1, 2)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "Amps",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "8.3 ms single half sine wave superimposed on rated load, JEDEC method (Note 3)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Steady State Power Dissipation",
          "symbol": "PM(AV)",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "@ TL = 75 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Working Peak Reverse Voltage (SMLJ33CA)",
          "symbol": "VRWM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 33,
          "conditions": "Bidirectional SMLJ33CA working peak reverse voltage",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
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          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smlj33ca"
  ],
  "discovery_pitch": "SMLJ33CA (BOURNS) 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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    "smlj33ca.step",
    "smlj33ca.lbr",
    "docs/hero.png",
    "docs/smlj33ca-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "smlj33ca-hero.overlay.json",
    "smlj33ca-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}