NZX4V7B

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  "type": "component",
  "slug": "nzx4v7b",
  "title": "NZX4V7B",
  "brief": "Nexperia Zener Diodes, DO-204AH(DO-35). 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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    "diodes",
    "nzx4v7b",
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    "extractor-text"
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  "component": {
    "mpn": "NZX4V7B",
    "manufacturer": "Nexperia",
    "package": "DO-204AH(DO-35)",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/NZX4V7B.pdf",
    "parts": {
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      "model_3d_step": "nzx4v7b.step",
      "lbr": "nzx4v7b.lbr",
      "model_3d_plain": "nzx4v7b.glb"
    },
    "distributor_links": {
      "lcsc": "C551725"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T01:37:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "cathode",
        "type": "passive",
        "description": "The cathode is pin 1, and the marking band on the package indicates the cathode."
      },
      {
        "number": "2",
        "name": "anode",
        "type": "passive",
        "description": "The anode is pin 2 of the two-lead axial glass package."
      }
    ],
    "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 requested package is DO-204AH (DO-35), but the datasheet describes only the SOD27 (SC-40) packag; Pin 2 has no electrical limits in the datasheet, so its description states only its identity as the "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0431,
        "at": "2026-10-22T01:36:29"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/NZX4V7B.pdf",
        "pages": 13,
        "sha256": "f5f1538bda41f295",
        "source_tier": "mfr"
      },
      "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": "nzx4v7b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          8.12,
          2.02,
          5.01
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9704292191fcb13b3dfc88c1e572df18313ac20023bb230486c878d8dddfdb54",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "DO-204AH(DO-35)",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f5f1538bda41f2951ba09b1eb50e994d59e63fccdda86e68bf4efc98d211eee0",
      "rows": [
        {
          "name": "Working voltage (B grade, 4V7)",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 4.7,
          "conditions": "Tj = 25 °C; IZ = 5 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Differential resistance",
          "symbol": "rdif",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "IZ = 5 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "VR = 2 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "IF = 200 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Ttp ≤ 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to ambient",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 380,
          "conditions": "in free air; FR4 PCB without metallization pad, lead length max 8 mm",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to tie-point",
          "symbol": "Rth(j-t)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "FR4 PCB without metallization pad, lead length max 8 mm",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "NZX4V7B (Nexperia) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}