main
Ray Set visibility: public 8356f80 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bt131-800t",
  "title": "BT131-800T",
  "brief": "WEIDA Thyristors (SCR)/Modules, SOT-223. 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",
    "bt131-800t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BT131-800T",
    "manufacturer": "WEIDA",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Thyristors (SCR)/Modules",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945244574658560",
    "parts": {
      "symbol": "bt131-800t.kicad_sym",
      "footprint": "bt131-800t.kicad_mod",
      "model_3d": "bt131-800t-hero.glb",
      "model_3d_plain": "bt131-800t-etched.glb",
      "model_3d_step": "bt131-800t-etched.step",
      "model_3d_step_plain": "bt131-800t.step",
      "lbr": "bt131-800t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2901097"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:29:09Z",
      "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 1 (T1), the triac's reference terminal on the SOT-223-3L package; the datasheet rates the part at IT(RMS) 1 A and VDRM/VRRM 800 V for the -800 version."
      },
      {
        "number": "2",
        "name": "T2",
        "type": "passive",
        "description": "Main terminal 2 (T2) of the triac, on the middle lead of the SOT-223-3L package; the datasheet rates the part at IT(RMS) 1 A and VDRM/VRRM 800 V for the -800 version."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate trigger input; for the T-grade part IGT is limited to 3 mA in quadrants I-II-III and 5 mA in quadrant IV, with VGT max 1.3 V, and peak gate current IGM is 2 A."
      }
    ],
    "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 datasheet shows two SOT-223 variants, SOT-223-3L (leads 1, 2, 3) and SOT-223-2L (leads 1 and 3, ; The datasheet does not say whether the SOT-223-3L tab is electrically connected to T2. I did not add; The datasheet's T/D suffix selects the gate sensitivity tier (T means IGT1-3 ≤3 mA and IGT4 ≤5 mA), ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.2635,
        "at": "2026-10-18T16:27:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945244574658560",
        "pages": 7,
        "sha256": "151758d034c6b145",
        "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": "bt131-800t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bt131-800t-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,
        "footprint_binding": "identity",
        "sha256": "f65fe5e4c2e93326e4c33f3861e91b292407ae451e6ab7a81708c137f8efd7df",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "WEIDA",
      "Package": "SOT-223",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "151758d034c6b14516e4aa66deb85e96188b67dd674ac248b65f10278484707c",
      "rows": [
        {
          "name": "Storage junction temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state voltage",
          "symbol": "VDRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "Tj=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak reverse voltage",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "Tj=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "RMS on-state current",
          "symbol": "IT(RMS)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Non repetitive surge peak on-state current",
          "symbol": "ITSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "full cycle, F=50Hz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "I2t value for fusing",
          "symbol": "I2t",
          "kind": "absolute_maximum",
          "unit": "A²s",
          "min": null,
          "typ": null,
          "max": 1.28,
          "conditions": "tp=10ms",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of on-state current, quadrants Ⅰ-Ⅱ-Ⅲ",
          "symbol": "dI/dt",
          "kind": "absolute_maximum",
          "unit": "A/μs",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "IG=2×IGT",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of on-state current, quadrant Ⅳ",
          "symbol": "dI/dt",
          "kind": "absolute_maximum",
          "unit": "A/μs",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IG=2×IGT",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak gate current",
          "symbol": "IGM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average gate power dissipation",
          "symbol": "PG(AV)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak gate power",
          "symbol": "PGM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 1,
          "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, RL=33Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger current, quadrant Ⅳ",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate non-trigger voltage, quadrants Ⅰ-Ⅱ-Ⅲ-Ⅳ",
          "symbol": "VGD",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": null,
          "max": null,
          "conditions": "VD=VDRM, Tj=125℃, RL=3.3kΩ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Holding current",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "IT=100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Latching current, quadrants Ⅰ-Ⅲ-Ⅳ",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "IG=1.2IGT",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Latching current, quadrant Ⅱ",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of off-state voltage",
          "symbol": "dV/dt",
          "kind": "electrical",
          "unit": "V/µs",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "VD=0.66×VDRM, Tj=125℃, Gate open",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "On-state voltage",
          "symbol": "VTM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "ITM=1.4A, tp=380μs, Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state current",
          "symbol": "IDRM/IRRM",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VDRM=VRRM, Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state current",
          "symbol": "IDRM/IRRM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Tj=125℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger voltage, quadrants Ⅰ-Ⅱ-Ⅲ-Ⅳ",
          "symbol": "VGT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction to case thermal resistance (AC), SOT-223-2L",
          "symbol": "Rth(j-c)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 31,
          "max": null,
          "conditions": "junction to case (AC), SOT-223-2L",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bt131-800t"
  ],
  "discovery_pitch": "BT131-800T (WEIDA) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "bt131-800t.kicad_mod",
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    "bt131-800t.step",
    "bt131-800t.lbr",
    "docs/hero.png",
    "docs/bt131-800t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bt131-800t-hero.glb",
    "bt131-800t-hero.overlay.json",
    "bt131-800t-etched.glb"
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  "visibility": {
    "public": true
  }
}