main
Ray Set visibility: public 4b6867a 13d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "smbj36a",
  "title": "SMBJ36A",
  "brief": "Shandong Jingdao Microelectronics TVS, SMB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "extractor-text"
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  "component": {
    "mpn": "SMBJ36A",
    "manufacturer": "Shandong Jingdao Microelectronics",
    "package": "SMB",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e9ed405dd94e697d37ae30ddb40fefa5.pdf",
    "parts": {
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      "model_3d_step_plain": "smbj36a.step",
      "lbr": "smbj36a.lbr"
    },
    "distributor_links": {
      "lcsc": "C19077588",
      "digikey": "SMBJ36ALFTR-ND",
      "mouser": "947-SMBJ36A"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T02:42:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SMBJ36ALFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "947-SMBJ36A",
        "status": "found",
        "lifecycle": "New Product"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode terminal of the unidirectional SMBJ36A TVS diode (reverse stand-off voltage VRWM 36 V per Table 1); the PINNING table assigns pin 1 to Cathode for the unipolar (UNI) type."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode terminal of the unidirectional SMBJ36A TVS diode, which clamps transient overvoltages on the line (peak pulse power 600 W at 10/1000 µs); the PINNING table assigns pin 2 to Anode for the unipolar (UNI) type."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "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 PINNING table text is jumbled in extraction: the Unipolar and Bipolar columns are not clearly al; The datasheet gives no pin-level electrical limits; the descriptions state only the function and the"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0268,
        "at": "2026-10-21T02:39:36"
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        "pages": 4,
        "sha256": "11a0cb29fa635344",
        "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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        "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": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smbj36a-etched.step",
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        "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": "SMB",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "11a0cb29fa635344f99349867b20a7c8e2d6dd8995f1f3eeb747e8935239c4b2",
      "rows": [
        {
          "name": "Breakdown voltage (min)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 36.7,
          "typ": null,
          "max": null,
          "conditions": "@ IT = 1 mA (Table 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown voltage (max)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40.6,
          "conditions": "@ IT = 1 mA (Table 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max. clamp voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 58.1,
          "conditions": "@ IPP = 10.4 A (Table 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "10/1000μs waveform (Note 1, Note 2, Fig.1)",
          "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, JEDEC method (Note 3, Fig.4)",
          "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": "ESD voltage per IEC 61000-4-2, contact",
          "symbol": "VESD1",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Contact, per IEC 61000-4-2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD voltage per IEC 61000-4-2, air",
          "symbol": "VESD2",
          "kind": "absolute_maximum",
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          "min": null,
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          "source_page": 1,
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        },
        {
          "name": "Typical thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Mounted on 5 mm land areas (Note 2)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical junction capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 390,
          "max": null,
          "conditions": "VR=4V, f=1MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse stand-off voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 36,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 10.4,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "SMBJ36A (Shandong Jingdao Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}