B772

{
  "schema_version": 1,
  "type": "component",
  "slug": "b772",
  "title": "B772",
  "brief": "Guangdong Hottech Bipolar (BJT), SOT-89. 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",
    "b772",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "B772",
    "manufacturer": "Guangdong Hottech",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586194703188971520",
    "parts": {
      "symbol": "b772.kicad_sym",
      "footprint": "b772.kicad_mod",
      "model_3d": "b772-hero.glb",
      "model_3d_plain": "b772.glb",
      "model_3d_step": "b772-etched.step",
      "model_3d_step_plain": "b772.step",
      "lbr": "b772.lbr"
    },
    "distributor_links": {
      "lcsc": "C181186",
      "digikey": "5272-B772TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T00:26:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5272-B772TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the PNP transistor; VEBO max -6 V and IEBO max -1 uA at VEB=-6 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector of the PNP transistor (also connected to the tab); VCBO -40 V, VCEO -30 V, IC max -3 A."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor; total power dissipation 500 mW at TA=25°C."
      }
    ],
    "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: Pin order B-C-E (pins 1-3, left to right in the bottom-view drawing) is read from the page 1 package",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.2024,
        "at": "2026-10-09T00:25:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586194703188971520",
        "pages": 4,
        "sha256": "3833063e9a3684b3",
        "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": "b772.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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "b772-etched.step",
        "role": "eda",
        "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": 0.05,
        "footprint_binding": "identity",
        "sha256": "e0f7c4c3e84cc6b9efed22e2bae03a8d7cf787da3457f68e08bda35dee5aac85",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Guangdong Hottech",
      "Package": "SOT-89",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3833063e9a3684b3",
      "rows": [
        {
          "name": "Collector-base voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector power dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": null,
          "conditions": "IC=-100uA, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": null,
          "conditions": "IC=-10mA, IB=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "IE=-100uA, IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current (base open, VCB)",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VCB=-40V, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current (base open, VCE)",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": -10,
          "conditions": "VCE=-30V, IB=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VEB=-6V, IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 60,
          "typ": null,
          "max": 400,
          "conditions": "VCE=-2V, IC=-1A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.5,
          "conditions": "IC=-2A, IB=-0.2A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter saturation voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.5,
          "conditions": "IC=-2A, IB=-0.2A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VCE=-5V, IC=-0.1A, f=10MHz",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "b772"
  ],
  "discovery_pitch": "B772 (Guangdong Hottech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "b772.kicad_sym",
    "b772.kicad_mod",
    "b772.glb",
    "b772.step",
    "b772.lbr",
    "docs/hero.png",
    "docs/b772-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "b772-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}