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Ray Set visibility: public 1ef3e78 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ad-bzx84c9v1",
  "title": "AD-BZX84C9V1",
  "brief": "Changjing Zener Diodes, SOT-23. 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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    "mpn": "AD-BZX84C9V1",
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    "package": "SOT-23",
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    "category": "Diodes",
    "subcategory": "Zener Diodes",
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      "model_3d_step": "ad-bzx84c9v1-etched.step",
      "model_3d_step_plain": "ad-bzx84c9v1.step",
      "lbr": "ad-bzx84c9v1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2975811"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:25:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 871 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the single Zener diode, shown connected to pin 3 through the diode in the equivalent circuit."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally; the equivalent circuit shows no connection to the diode."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the single Zener diode (Zener voltage 9.1V typ. at IZT = 5mA for the C9V1 type)."
      }
    ],
    "provenance": {
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        "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": [
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          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.1098,
        "at": "2026-10-23T18:25:01"
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        "pages": 6,
        "sha256": "4b84ce328741d738",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "units": "mm",
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        "sha256": "5c1587aac7bc4739c3d212ad6f1f2564101c1a8b7fc90e3baf458973efbd476b",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-23",
      "Category": "Diodes",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4b84ce328741d7388e9147dff342c4fa7b21a9a9bd18672cda2bcc326cfed3ff",
      "rows": [
        {
          "name": "Zener voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 8.5,
          "typ": 9.1,
          "max": 9.6,
          "conditions": "IZT = 5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "IZT = 5mA, f = 1kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance (knee)",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "IZK = 1.0mA, f = 1kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VR = 6.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of Zener voltage",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": 3.8,
          "typ": null,
          "max": 7,
          "conditions": "IZT = 5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "IF = 10mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Tj = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating junction and storage temperature range",
          "symbol": "Tj, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 417,
          "max": null,
          "conditions": "1 inch2 FR-4 board, 1oz single-side copper, still air, Ta = 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Test current",
          "symbol": "IZT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Knee test current",
          "symbol": "IZK",
          "kind": "electrical",
          "unit": "mA",
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          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "AD-BZX84C9V1 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "public": true
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}