1N4758APF

{
  "slug": "1n4758apf",
  "version": "0.1.0",
  "type": "component",
  "description": "ST(Semtech) Zener Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "1n4758apf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "1n4758apf.kicad_sym",
    "1n4758apf.kicad_mod",
    "1n4758apf.glb",
    "1n4758apf.step",
    "1n4758apf.lbr",
    "docs/hero.png",
    "docs/1n4758apf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "1n4758apf-hero.glb",
    "1n4758apf-hero.overlay.json"
  ],
  "component": {
    "mpn": "1N4758APF",
    "manufacturer": "ST(Semtech)",
    "package": "DO-41",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d8b82e83cce74889cc513a8fe9c21b0b.pdf",
    "parts": {
      "symbol": "1n4758apf.kicad_sym",
      "footprint": "1n4758apf.kicad_mod",
      "model_3d": "1n4758apf-hero.glb",
      "model_3d_step": "1n4758apf.step",
      "lbr": "1n4758apf.lbr",
      "model_3d_plain": "1n4758apf.glb"
    },
    "distributor_links": {
      "lcsc": "C19190368"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T06:34:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, marked by the cathode band on the DO-41 glass case; the zener (reverse breakdown) voltage of 1N4758APF is 56 V nominal (53.2 to 58.8 V) at IZT = 4.5 mA, with the cathode positive relative to the anode."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the unbanded axial lead of the DO-41 glass case; forward voltage is max 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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet has no pin table. Pin numbers 1 (cathode) and 2 (anode) are assigned by convention fro"
        ],
        "pages_sent": 5,
        "cost_usd": 0.075,
        "at": "2026-10-31T06:34:04"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d8b82e83cce74889cc513a8fe9c21b0b.pdf",
        "pages": 5,
        "sha256": "7a466624e3746c12",
        "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": "1n4758apf.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": 0.0,
        "footprint_binding": "identity",
        "sha256": "c3e23d4b276811b74eecb329bd4480209ad3dbc8cf6e6e3f2a5b542c5ca343c1",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DO-41",
      "source_page": 1,
      "D": {
        "nom_mm": 4.2,
        "range_mm": [
          null,
          4.2
        ]
      },
      "E1": {
        "nom_mm": 2.8,
        "range_mm": [
          null,
          2.8
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "1n4758apf.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}