1N4735

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  "type": "component",
  "slug": "1n4735",
  "title": "1N4735",
  "brief": "LGE Zener Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "1N4735",
    "manufacturer": "LGE",
    "package": "DO-41",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/419bf35ff3aac6369100836156227223.pdf",
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    "distributor_links": {
      "lcsc": "C5186064"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:03:34Z",
      "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, marked by the cathode band on the DO-41 body; zener voltage 6.2 V nominal at IZT=41 mA for the 1N4735, with 1.0 W power dissipation."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode terminal of the zener diode; forward voltage max 1.2 V at IF=200 mA."
      }
    ],
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        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin numbering for the axial DO-41 package. Only the polarity (cathode band) i"
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        "pages_sent": 3,
        "cost_usd": 0.0349,
        "at": "2026-10-22T22:03:22"
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      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/419bf35ff3aac6369100836156227223.pdf",
        "pages": 3,
        "sha256": "fc2aaa688bac2c60",
        "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": "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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LGE",
      "Package": "DO-41",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fc2aaa688bac2c60afd73688b995253f418e692f96c30f6b49491e4200c8af49",
      "rows": [
        {
          "name": "Zener voltage tolerance (standard, no A suffix)",
          "symbol": "VZ",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Standard zener voltage tolerance",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal zener voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 6.2,
          "max": null,
          "conditions": "@ IZT",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Test current",
          "symbol": "IZT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 41,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum dynamic impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "@ IZT",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum dynamic impedance (knee)",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "@ IZK",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IF=200mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "RThJA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "l=9.5mm (3/8\"), TL=constant",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PDiss",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ Tamb 50",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "",
          "min": -55,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "1N4735 (LGE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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