main
Ray Set visibility: public 9475486 9h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "1n4751apf-m",
  "title": "1N4751APF-M",
  "brief": "ST(Semtech) Zener Diodes, DO-41. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "diodes",
    "1n4751apf-m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "1N4751APF-M",
    "manufacturer": "ST(Semtech)",
    "package": "DO-41",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603085510483197952",
    "parts": {
      "symbol": "1n4751apf-m.kicad_sym",
      "footprint": "1n4751apf-m.kicad_mod",
      "model_3d": "1n4751apf-m-hero.glb",
      "model_3d_step": "1n4751apf-m.step",
      "lbr": "1n4751apf-m.lbr",
      "model_3d_plain": "1n4751apf-m.glb"
    },
    "distributor_links": {
      "lcsc": "C7497929"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:07:58Z",
      "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 banded/marked end per the datasheet; pad 1 of the KiCad diode footprint."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "cathode-band convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0014,
        "at": "2026-10-17T14:06:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603085510483197952",
        "pages": 4,
        "sha256": "b4504508e5b23338",
        "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"
    },
    "models_3d": [
      {
        "file": "1n4751apf-m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.96,
          2.72,
          5.71
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c3e23d4b276811b74eecb329bd4480209ad3dbc8cf6e6e3f2a5b542c5ca343c1",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ST(Semtech)",
      "Package": "DO-41",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b4504508e5b23338fc8cc561aaf4093c064cdcbe8415daa98f4a2e9645bf560c",
      "rows": [
        {
          "name": "Zener voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 28.5,
          "typ": null,
          "max": 31.5,
          "conditions": "IZT 8.5 mA; Ta = 25 °C; DC test (note 3)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VR = 22.8 V; Ta = 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance",
          "symbol": "rZJT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "IZT 8.5 mA; 60 Hz AC at 10% of IZT (note 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance at knee",
          "symbol": "rZJK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "IZK 0.25 mA (note 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum surge current",
          "symbol": "IZSM",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Maximum peak non-repetitive reverse surge, 1/120 s, superimposed on IZT (note 4)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum regulator current",
          "symbol": "IZM",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Leads kept at ambient at 8 mm from case (note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient air",
          "symbol": "RthA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 170,
          "conditions": "Leads kept at ambient at 8 mm from case (note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IF = 200 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal Zener voltage",
          "symbol": "VZnom",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "1n4751apf-m"
  ],
  "discovery_pitch": "1N4751APF-M (ST(Semtech)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "1n4751apf-m.kicad_sym",
    "1n4751apf-m.kicad_mod",
    "1n4751apf-m.glb",
    "1n4751apf-m.step",
    "1n4751apf-m.lbr",
    "docs/hero.png",
    "docs/1n4751apf-m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "1n4751apf-m-hero.glb",
    "1n4751apf-m-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}