SMAJ15A-JSM

{
  "schema_version": 1,
  "type": "component",
  "slug": "smaj15a-jsm",
  "title": "SMAJ15A-JSM",
  "brief": "JSMSEMI ESD And Surge Protection (TVS/ESD), SMA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "SMAJ15A-JSM",
    "manufacturer": "JSMSEMI",
    "package": "SMA",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dc88cac85db56e70ef7a935aef63b224.pdf",
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      "lbr": "smaj15a-jsm.lbr"
    },
    "distributor_links": {
      "lcsc": "C41382489"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:05:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the unidirectional TVS diode; connect to the protected positive line (SMAJ15A: reverse standoff 15 V, breakdown 16.7-18.5 V at 1 mA, max clamping 24.4 V)."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode of the unidirectional TVS diode; connect to ground/return of the protected line."
      }
    ],
    "provenance": {
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        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: SMAJ15A electrical values were not cited with certainty because the page 2 table text is scrambled; "
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        "cost_usd": 0.0441,
        "at": "2026-10-22T21:05:05"
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        "pages": 5,
        "sha256": "070cf4c2f9c4dec1",
        "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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        "centre_offset_mm": 0,
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        "checked": "2026-10-22",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI",
      "Package": "SMA",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Peak power dissipation (10/1000µs)",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": 400,
          "typ": null,
          "max": null,
          "conditions": "10/1000μs waveform, non-repetitive, TA=25°C",
          "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": 150,
          "conditions": "",
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        {
          "name": "Breakdown voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 16.7,
          "typ": null,
          "max": 18.5,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
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        },
        {
          "name": "Test current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse standoff voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse leakage",
          "symbol": "IR_MAX",
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          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
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          "source_page": 2,
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        },
        {
          "name": "Maximum peak pulse current",
          "symbol": "IPP_MAX",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 16.4,
          "conditions": "",
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        },
        {
          "name": "Maximum clamping voltage",
          "symbol": "VC_MAX",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 24.4,
          "conditions": "@ IPP",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "Mounted on pcb with 10 mm x 20 mm x 0.1 mm copper pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to case",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "Mounted on pcb with 10 mm x 20 mm x 0.1 mm copper pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "Mounted on pcb with 10 mm x 20 mm x 0.1 mm copper pad",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "SMAJ15A-JSM (JSMSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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