main
Ray Set visibility: public 0253f24 14d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ztx451",
  "title": "ZTX451",
  "brief": "Diodes Incorporated Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "ztx451",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ZTX451",
    "manufacturer": "Diodes Incorporated",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600436880492281856",
    "parts": {
      "symbol": "ztx451.kicad_sym",
      "footprint": "ztx451.kicad_mod",
      "model_3d": "ztx451-hero.glb",
      "model_3d_plain": "ztx451-etched.glb",
      "model_3d_step": "ztx451-etched.step",
      "model_3d_step_plain": "ztx451.step",
      "lbr": "ztx451.lbr"
    },
    "distributor_links": {
      "lcsc": "C3198571",
      "digikey": "ZTX451-ND",
      "mouser": "522-ZTX451"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T21:47:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ZTX451-ND",
        "status": "found",
        "lifecycle": "Last Time Buy"
      },
      "mouser": {
        "pn": "522-ZTX451",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C",
        "type": "passive",
        "description": "Collector; VCEO 60 V and VCBO 80 V for ZTX451, continuous collector current 1 A, peak pulse current 2 A."
      },
      {
        "number": "2",
        "name": "B",
        "type": "passive",
        "description": "Base; the drawing shows it as the middle lead, with emitter-base voltage limited to 5 V."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter; the drawing shows it as the third lead, with emitter-base voltage limited to 5 V."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package drawing labels the leads C, B, E in order but prints no pin numbers. Numbers 1, 2 and 3 ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0824,
        "at": "2026-10-20T21:43:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600436880492281856",
        "pages": 2,
        "sha256": "f8a834969f7e902d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ztx451.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ztx451-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "5b8806df4e83cb8ec2960783a3a74036d2da5f8a930c4f3e71534a9e62e28281",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "TO-92",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f8a834969f7e902d379b35c5fe24b94820db84adeedab395d78fb8dd28963970",
      "rows": [
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation at Tamb=25°C",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Tamb=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "Tj:Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "IC=100µA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Sustaining Voltage",
          "symbol": "VCEO(sus)",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "IC=10mA*",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "IE=100µA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Cut-Off Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCB=60V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cut-Off Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VEB=4V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "IC=150mA, IB=15mA*",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.1,
          "conditions": "IC=150mA, IB=15mA*",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC=150mA, VCE=10V*",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "IC=150mA, VCE=10V*",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "IC=1A, VCE=10V*",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "IC=50mA, VCE=10V, f=100MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Cobo",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VCB=10V, f=1MHz",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ztx451"
  ],
  "discovery_pitch": "ZTX451 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ztx451.kicad_sym",
    "ztx451.kicad_mod",
    "ztx451.glb",
    "ztx451.step",
    "ztx451.lbr",
    "docs/hero.png",
    "docs/ztx451-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ztx451-hero.glb",
    "ztx451-hero.overlay.json",
    "ztx451-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}