SMAJ54CA

{
  "schema_version": 1,
  "type": "component",
  "slug": "smaj54ca",
  "title": "SMAJ54CA",
  "brief": "Shandong Jingdao Microelectronics Diodes - Fast Recovery Rectifiers, SMA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "diodes",
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  "component": {
    "mpn": "SMAJ54CA",
    "manufacturer": "Shandong Jingdao Microelectronics",
    "package": "SMA",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Diodes - Fast Recovery Rectifiers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/69a649dca95baf9f3f0059acf5e57dad.pdf",
    "parts": {
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      "lbr": "smaj54ca.lbr"
    },
    "distributor_links": {
      "lcsc": "C49066924",
      "digikey": "SMAJ54CALFTR-ND",
      "mouser": "821-SMAJ54CAM2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T07:02:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SMAJ54CALFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "821-SMAJ54CAM2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Pin 1 is labelled Cathode in the datasheet PINNING table, which is given for the unipolar symbol; the datasheet states no voltage or current limits for this pin individually, only the device ratings of 400 W peak pulse power and -65 to +150 °C operating junction and storage temperature."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Pin 2 is labelled Anode in the datasheet PINNING table, which is given for the unipolar symbol; the datasheet states no voltage or current limits for this pin individually, only the device ratings of 400 W peak pulse power and -65 to +150 °C operating junction and storage temperature."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN SMAJ54CA is the bidirectional (CA) variant. The datasheet PINNING table labels pins 1 and 2 ; The datasheet gives no per-pin electrical limits. The pin descriptions above reflect only the pinnin; SMA package confirmed on page 1 (Case: SMA) and on page 4 (2-lead surface-mounted outline), so the 2"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0275,
        "at": "2026-10-21T06:59:07"
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      "datasheet": {
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        "pages": 4,
        "sha256": "8f775ce72285b788",
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.7,
          2.22
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "de04549fb5b9e1312c5cee260cc0064f9de44729a4ff6c4950b2d9a1face63f3",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shandong Jingdao Microelectronics",
      "Package": "SMA",
      "Category": "Diodes",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "2. Mounted on 5mm copper pads to each terminal.",
        "page": 1,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "8f775ce72285b788fb725d189d4dadb55a64187fd36e2493e3e6ab7d7f93f107"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8f775ce72285b788fb725d189d4dadb55a64187fd36e2493e3e6ab7d7f93f107",
      "rows": [
        {
          "name": "Peak Pulse Power Dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "TA=25°C, 10/1000 µs waveform (Note 1,2,4)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "8.3 ms single half sine-wave superimposed on rated load (JEDEC method) (Note 3)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD Voltage per IEC6100-4-2, Contact",
          "symbol": "VESD1",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Contact discharge",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD Voltage per IEC6100-4-2, Air",
          "symbol": "VESD2",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Air discharge",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "Mounted on 5mm copper pads to each terminal (Note 2)",
          "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": "Reverse Stand-off Voltage",
          "symbol": "VRRM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 54,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "Test current IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ VRRM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max. Clamp Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 87.1,
          "conditions": "@ IPP = 4.6 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4.6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "SMAJ54CA (Shandong Jingdao Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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