SMB5365A

{
  "schema_version": 1,
  "type": "component",
  "slug": "smb5365a",
  "title": "SMB5365A",
  "brief": "XCH(旭昌辉) , SMB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "SMB5365A",
    "manufacturer": "XCH(旭昌辉)",
    "package": "SMB",
    "pin_count": 2,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603201120256864256",
    "parts": {
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      "lbr": "smb5365a.lbr"
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    "distributor_links": {
      "lcsc": "C7441050"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:28:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, the end marked by the color band; it goes positive in zener (reverse) operation, with VZ 36 V nominal (34.20 to 37.80 V) for the SMB5365A."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the end opposite the color band; it is the return side in zener operation, with maximum forward voltage 1.2 V at 200 mA."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "at": "2026-10-17T15:28:22"
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        "pages": 3,
        "sha256": "cc44843246128500",
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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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        "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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "centre_offset_mm": 0,
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        "sha256": "7ca4c651b99a68786f176b8a4ceacd520ba563ede1de9c65f31b26efe7ed4beb",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XCH(旭昌辉)",
      "Package": "SMB",
      "Category": "",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "（2）Thermal resistance from junction to ambient and from junction to lead mounted on P. 0.3\" x 0.3\" (8.0 mm x 8.0 mm) copper pad areas.",
        "page": 1,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "cc44843246128500f2334f0155505b809f403a77a9bb188cb8423340afa10c65"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cc44843246128500f2334f0155505b809f403a77a9bb188cb8423340afa10c65",
      "rows": [
        {
          "name": "Nominal zener voltage (VZ AVE.) with MIN/MAX",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 34.2,
          "typ": 36,
          "max": 37.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum zener impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "@IZT = 11.0 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum zener impedance (knee)",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "@IZK = 1.00 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "@VR = 27.4 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC zener current",
          "symbol": "IZM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 132,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "if=200mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Zener voltage tolerance (standard, suffix A)",
          "symbol": "VZ",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "standard tolerance on nominal zener voltage",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TL = 75 °C (note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical thermal resistance, junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "note 2: mounted on 0.3\" x 0.3\" (8.0 mm x 8.0 mm) copper pad areas",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature range",
          "symbol": "TJ,TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TJ,TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "SMB5365A (XCH(旭昌辉)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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