main
Ray Set visibility: public ddd1eb6 8d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574
{
  "schema_version": 1,
  "type": "component",
  "slug": "bcx53tf",
  "title": "BCX53TF",
  "brief": "Nexperia Bipolar Transistors - BJT, SOT-89-3. 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",
    "bcx53tf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BCX53TF",
    "manufacturer": "Nexperia",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Transistors",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/BCX53TF.pdf",
    "parts": {
      "symbol": "bcx53tf.kicad_sym",
      "footprint": "bcx53tf.kicad_mod",
      "model_3d": "bcx53tf-hero.glb",
      "model_3d_plain": "bcx53tf-etched.glb",
      "model_3d_step": "bcx53tf-etched.step",
      "model_3d_step_plain": "bcx53tf.step",
      "lbr": "bcx53tf.lbr"
    },
    "distributor_links": {
      "lcsc": "C549679",
      "digikey": "1727-BCX53TFTR-ND",
      "mouser": "771-BCX53TF"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T01:05:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1727-BCX53TFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "771-BCX53TF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor; the device limits apply, with emitter-base voltage VEBO of -5 V and collector current IC of -1 A (Table 6, page 3)."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector of the PNP transistor; limited to collector-emitter voltage VCEO of -80 V, collector current IC of -1 A and peak collector current ICM of -2 A for tp ≤ 1 ms (Table 6, page 3)."
      },
      {
        "number": "3",
        "name": "B",
        "type": "passive",
        "description": "Base of the PNP transistor; limited to base current IB of -200 mA and peak base current IBM of -300 mA for tp ≤ 1 ms (Table 6, page 3)."
      }
    ],
    "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 datasheet gives the pinout as E=1, C=2, B=3 for the SOT89 package, which applies to the BCX53T M; The pin descriptions combine the pinning table (page 2) with device-level limiting values from Table"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0454,
        "at": "2026-10-29T01:05:22"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/BCX53TF.pdf",
        "pages": 12,
        "sha256": "9c6cf9f950e68b4c",
        "source_tier": "mfr"
      },
      "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": "bcx53tf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bcx53tf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "744695d6c26b48b88adad74ab8900119ba6f33f94746aee60fda6a63b03fda5a",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT89 (SC-62)",
      "source_page": 8,
      "D": {
        "nom_mm": 4.5,
        "range_mm": [
          4.4,
          4.6
        ]
      },
      "E1": {
        "nom_mm": 2.5,
        "range_mm": [
          2.4,
          2.6
        ]
      },
      "E": {
        "nom_mm": 4,
        "range_mm": [
          3.75,
          4.25
        ]
      },
      "e": {
        "nom_mm": 1.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.5,
        "range_mm": [
          1.4,
          1.6
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "bcx53tf.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOT-89-3",
      "Category": "Transistors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9c6cf9f950e68b4c2c0a54a2cb8d50661deaeba8570c87edd23d0814bcbb9ebf",
      "rows": [
        {
          "name": "Collector-base voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "open emitter",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -80,
          "conditions": "open base",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "open collector",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak collector current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -2,
          "conditions": "single pulse; tp ≤ 1 ms",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Base current",
          "symbol": "IB",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -200,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak base current",
          "symbol": "IBM",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -300,
          "conditions": "single pulse; tp ≤ 1 ms",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation (standard footprint)",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Tamb ≤ 25 °C; FR4 PCB, single-sided copper, standard footprint [1]",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation (1 cm² collector pad)",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "Tamb ≤ 25 °C; FR4 PCB, single-sided copper, mounting pad for collector 1 cm² [2]",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation (6 cm² collector pad)",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1100,
          "conditions": "Tamb ≤ 25 °C; FR4 PCB, single-sided copper, mounting pad for collector 6 cm² [3]",
          "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 junction to ambient (standard footprint)",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "in free air; FR4 PCB, single-sided copper, tin-plated, standard footprint [1]",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient (1 cm² collector pad)",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 157,
          "conditions": "in free air; FR4 PCB, single-sided copper, tin-plated, mounting pad for collector 1 cm² [2]",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient (6 cm² collector pad)",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 114,
          "conditions": "in free air; FR4 PCB, single-sided copper, tin-plated, mounting pad for collector 6 cm² [3]",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "IC = -100 µA; IE = 0 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "IC = -2 mA; IE = 0 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE = -100 µA; IC = 0 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector-base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VCB = -30 V; IE = 0 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector-base cut-off current (Tj = 150 °C)",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": -10,
          "conditions": "VCB = -30 V; IE = 0 A; Tj = 150 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VEB = -5 V; IC = 0 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 63,
          "typ": null,
          "max": null,
          "conditions": "VCE = -2 V; IC = -5 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCE = -2 V; IC = -500 mA; pulsed; tp ≤ 300 μs; δ ≤ 0.02",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC current gain (BCX53T)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 63,
          "typ": null,
          "max": 250,
          "conditions": "VCE = -2 V; IC = -150 mA; pulsed; tp ≤ 300 μs; δ ≤ 0.02",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCEsat",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -500,
          "conditions": "IC = -500 mA; IB = -50 mA; pulsed; tp ≤ 300 μs; δ ≤ 0.02",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VCE = -2 V; IC = -500 mA; pulsed; tp ≤ 300 μs; δ ≤ 0.02",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bcx53tf"
  ],
  "discovery_pitch": "BCX53TF (Nexperia) 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",
    "bcx53tf.kicad_sym",
    "bcx53tf.kicad_mod",
    "bcx53tf.glb",
    "bcx53tf.step",
    "bcx53tf.lbr",
    "docs/hero.png",
    "docs/bcx53tf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bcx53tf-hero.glb",
    "bcx53tf-hero.overlay.json",
    "bcx53tf-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}