SMB5375A

{
  "schema_version": 1,
  "type": "component",
  "slug": "smb5375a",
  "title": "SMB5375A",
  "brief": "XCH(旭昌辉) , SMB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "ic",
    "smb5375a",
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    "extractor-text"
  ],
  "component": {
    "mpn": "SMB5375A",
    "manufacturer": "XCH(旭昌辉)",
    "package": "SMB",
    "pin_count": 2,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603201125218996224",
    "parts": {
      "symbol": "smb5375a.kicad_sym",
      "footprint": "smb5375a.kicad_mod",
      "model_3d": "smb5375a-hero.glb",
      "model_3d_plain": "smb5375a-etched.glb",
      "model_3d_step": "smb5375a-etched.step",
      "model_3d_step_plain": "smb5375a.step",
      "lbr": "smb5375a.lbr"
    },
    "distributor_links": {
      "lcsc": "C7441060"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:03:01Z",
      "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; for the SMB5375A the Zener voltage is 82 V nominal (77.90 to 86.10 V) and DC power dissipation is 5.0 W at TL = 75 °C."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the end opposite the color band; maximum forward voltage is 1.2 V at IF = 200 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not print pin numbers. The drawing and text give only the polarity ('Color band d",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0912,
        "at": "2026-10-17T15:00:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603201125218996224",
        "pages": 3,
        "sha256": "cc44843246128500",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "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)"
      },
      {
        "file": "smb5375a-etched.step",
        "role": "eda",
        "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": "207cdfe52ebe8bdf8928289dd60bc246efce001d035215558ef556a1a8f776e7",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "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"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cc44843246128500f2334f0155505b809f403a77a9bb188cb8423340afa10c65",
      "rows": [
        {
          "name": "Zener voltage VZ MIN.",
          "symbol": "VZ MIN.",
          "kind": "electrical",
          "unit": "V",
          "min": 77.9,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Zener voltage VZ MAX.",
          "symbol": "VZ MAX.",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 86.1,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum zener impedance ZZT",
          "symbol": "ZZT MAX.",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "@IZT 65.0 (unit not printed in column)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum zener impedance ZZK",
          "symbol": "ZZK MAX.",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 720,
          "conditions": "@IZK 1.00 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "@VR 62.2 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC zener current",
          "symbol": "IZM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 58,
          "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": "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": "Nominal zener voltage tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "on nominal zener voltage, standard tolerance per datasheet remark",
          "source_page": 3,
          "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"
        },
        {
          "name": "Nominal zener voltage (AVE.)",
          "symbol": "VZ AVE.",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 82,
          "max": null,
          "conditions": "nominal, at IZT",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Typical thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "junction to ambient, note (2): mounted on 8.0 mm x 8.0 mm copper pad areas",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "smb5375a"
  ],
  "discovery_pitch": "SMB5375A (XCH(旭昌辉)) 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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  "visibility": {
    "public": true
  }
}