BZX84W-C5V1X

{
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  "type": "component",
  "slug": "bzx84w-c5v1x",
  "title": "BZX84W-C5V1X",
  "brief": "Nexperia Zener Diodes, SOT-323-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "BZX84W-C5V1X",
    "manufacturer": "Nexperia",
    "package": "SOT-323-3",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/BZX84W-C5V1X.pdf",
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      "lbr": "bzx84w-c5v1x.lbr"
    },
    "distributor_links": {
      "lcsc": "C551163",
      "digikey": "1727-BZX84W-C5V1XTR-ND",
      "mouser": "771-BZX84W-C5V1X"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T23:34:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1727-BZX84W-C5V1XTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "771-BZX84W-C5V1X",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the Zener diode; the datasheet gives no pin-specific electrical limit, so the series limiting values in Table 5 apply."
      },
      {
        "number": "2",
        "name": "n.c.",
        "type": "unconnected",
        "description": "Not connected internally; the datasheet specifies no function for this pin."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the Zener diode; the series limiting values in Table 5 apply, including forward current IF of 200 mA maximum."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN as given, BZX84W-C5V1X, does not appear in the datasheet. The ordering table (page 2) and ch; Pin 2 is listed as 'n.c.' (not connected) in the pinning table. Leave it unconnected on the PCB."
        ],
        "pages_sent": 14,
        "cost_usd": 0.0512,
        "at": "2026-10-28T23:34:45"
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      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/BZX84W-C5V1X.pdf",
        "pages": 14,
        "sha256": "42b48bea57689c20",
        "source_tier": "mfr"
      },
      "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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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ],
    "package_dims": {
      "package_code": "SOT323",
      "source_page": 10,
      "D": {
        "nom_mm": 2,
        "range_mm": [
          1.8,
          2.2
        ]
      },
      "E1": {
        "nom_mm": 1.25,
        "range_mm": [
          1.15,
          1.35
        ]
      },
      "E": {
        "nom_mm": 2.1,
        "range_mm": [
          2,
          2.2
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.95,
        "range_mm": [
          0.8,
          1.1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "bzx84w-c5v1x.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOT-323-3",
      "Category": "Diodes",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "42b48bea57689c206c4ff66e3cbf2a24d7255dc078137968504b3106bd87f76f",
      "rows": [
        {
          "name": "Working voltage VZ, tolerance C (±5%), BZX84W-C5V1 (nominal 5.1 V)",
          "symbol": "VZ",
          "kind": "tolerance",
          "unit": "V",
          "min": 4.8,
          "typ": null,
          "max": 5.4,
          "conditions": "IZ = 5 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reverse current, BZX84W-C5V1",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VR = 2 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "IF = 10 mA; pulse test tp ≤ 300 µs; δ ≤ 0.02",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Differential resistance rdif, BZX84W-C5V1",
          "symbol": "rdif",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 480,
          "conditions": "IZ = 1 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Differential resistance rdif, BZX84W-C5V1",
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          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "IZ = 5 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Non-repetitive peak reverse current IZSM, BZX84W-C5V1",
          "symbol": "IZSM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "tp = 100 µs; Tamb = 25 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Diode capacitance Cd, BZX84W-C5V1",
          "symbol": "Cd",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "f = 1 MHz; VR = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Forward current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Non-repetitive peak reverse power dissipation",
          "symbol": "PZSM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "tp = 100 µs; square wave; Tamb = 25 °C; prior to surge",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 275,
          "conditions": "Tamb = 25 °C; device mounted on FR4 PCB, single-sided copper, tin-plated, standard footprint",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to ambient",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 455,
          "conditions": "in free air; device mounted on FR4 PCB, single-sided copper, tin-plated, standard footprint",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient SZ, BZX84W-C5V1",
          "symbol": "SZ",
          "kind": "temperature_coefficient",
          "unit": "mV/K",
          "min": null,
          "typ": -0.8,
          "max": null,
          "conditions": "IZ = 5 mA",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "BZX84W-C5V1X (Nexperia) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
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