main
Ray Publish 0.1.1 a0beb6f 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bt131",
  "title": "BT131",
  "brief": "KY Thyristors (SCR)/Modules, TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "bt131",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BT131",
    "manufacturer": "KY",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Thyristors (SCR)/Modules",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944047574552576",
    "parts": {
      "symbol": "bt131.kicad_sym",
      "footprint": "bt131.kicad_mod",
      "model_3d": "bt131-hero.glb",
      "model_3d_plain": "bt131-etched.glb",
      "model_3d_step": "bt131-etched.step",
      "model_3d_step_plain": "bt131.step",
      "lbr": "bt131.lbr"
    },
    "distributor_links": {
      "lcsc": "C54221010"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T20:09:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "T1",
        "type": "passive",
        "description": "Main terminal T1 of the triac (T1(1) in the symbol), the current return terminal for a 1A RMS on-state current at Tc=110°C."
      },
      {
        "number": "2",
        "name": "T2",
        "type": "passive",
        "description": "Main terminal T2 of the triac (T2(2) in the symbol), rated for 600V to 800V repetitive peak off-state voltage VDRM/VRRM."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate trigger terminal (G(3) in the symbol), with gate trigger voltage VGT ≤1.2V and gate trigger current IGT ≤3mA (quadrants I, II, III) or ≤7mA (quadrant IV) at VD=12V."
      }
    ],
    "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 TO-92 drawing shows the leads in left-to-right order 1, 3, 2, and the view is not stated as top ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1575,
        "at": "2026-10-18T20:09:20"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944047574552576",
        "pages": 7,
        "sha256": "037718a4a7f61395",
        "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": "bt131.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bt131-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": "8584f5ef0993eb12bc6c0d2503374732ee36616ee4bc32fb5f6a3e5d34663824",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "KY",
      "Package": "TO-92",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "037718a4a7f6139551d0acbd1cdad6be2af4b6b14abafb9d1f576d7b82861c91",
      "rows": [
        {
          "name": "Repetitive Peak Off-State Voltage",
          "symbol": "VDRM / VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 600,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "R.M.S On-State Current",
          "symbol": "IT(RMS)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Tc=110°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Surge On-State Current",
          "symbol": "ITSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "Tp=10ms",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "I²t for fusing",
          "symbol": "I²t",
          "kind": "absolute_maximum",
          "unit": "A²s",
          "min": null,
          "typ": null,
          "max": 0.72,
          "conditions": "Tp=10ms",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Average Gate Power Dissipation",
          "symbol": "PG(AV)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "Tj=125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Gate Current",
          "symbol": "IGM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "tp=20us Tj=125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Repetitive Peak Off-State Current",
          "symbol": "IDRM",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Tj=25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Repetitive Peak Off-State Current",
          "symbol": "IDRM",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Tj=110°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Repetitive Peak Reverse Current",
          "symbol": "IRRM",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Tj=25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Repetitive Peak Reverse Current",
          "symbol": "IRRM",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Tj=110°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward on voltage",
          "symbol": "VTM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "IT=1.6A tp=380us",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate non-trigger voltage",
          "symbol": "VGD",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": null,
          "max": null,
          "conditions": "VD=VDRM, Tj=110°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Holding current (quadrants I,II,III)",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VD=12V ,IGT=0.1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Holding current (quadrant IV)",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VD=12V ,IGT=0.1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger voltage",
          "symbol": "VGT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "VD=12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger current (quadrants I,II,III)",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "VD=12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger current (quadrant IV)",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "VD=12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of commutation current (quadrants I,II,III)",
          "symbol": "di/dt",
          "kind": "electrical",
          "unit": "A/us",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IT=1A, IG==0.2A, dIg/dt=0.2A/us",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of commutation current (quadrant IV)",
          "symbol": "di/dt",
          "kind": "electrical",
          "unit": "A/us",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "IT=1A, IG==0.2A, dIg/dt=0.2A/us",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of commutation voltage",
          "symbol": "dv/dt",
          "kind": "electrical",
          "unit": "V/us",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "TJ=110°C VD=2/3VDRM",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bt131"
  ],
  "discovery_pitch": "BT131 (KY) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bt131.kicad_sym",
    "bt131.kicad_mod",
    "bt131.glb",
    "bt131.step",
    "bt131.lbr",
    "docs/hero.png",
    "docs/bt131-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bt131-hero.glb",
    "bt131-hero.overlay.json",
    "bt131-etched.glb",
    "bt131-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "description": "KY Thyristors (SCR)/Modules, TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "org": "adom"
}