BTA26

{
  "slug": "bta26",
  "version": "0.1.0",
  "type": "component",
  "description": "WEIDA TRIACs, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "triode-mos tube-transistor",
    "bta26",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bta26.kicad_sym",
    "bta26.kicad_mod",
    "bta26.glb",
    "bta26.step",
    "bta26.lbr",
    "docs/hero.png",
    "docs/bta26-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bta26-hero.glb",
    "bta26-hero.overlay.json",
    "bta26-etched.glb"
  ],
  "component": {
    "mpn": "BTA26",
    "manufacturer": "WEIDA",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "TRIACs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a9557ea96cb2a0829be676b085d8aa3c.pdf",
    "parts": {
      "symbol": "bta26.kicad_sym",
      "footprint": "bta26.kicad_mod",
      "model_3d": "bta26-hero.glb",
      "model_3d_plain": "bta26-etched.glb",
      "model_3d_step": "bta26-etched.step",
      "model_3d_step_plain": "bta26.step",
      "lbr": "bta26.lbr"
    },
    "distributor_links": {
      "lcsc": "C3445964"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T10:00:31Z",
      "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 1 of the triac, the current return side; the device is rated for 25 A IT(RMS) and VDRM/VRRM of 600/800/1200/1600 V."
      },
      {
        "number": "2",
        "name": "T2",
        "type": "passive",
        "description": "Main terminal 2 of the triac; the insulated TO-220A package isolates all three terminals from the heatsink with a rated insulation voltage of 2500 VRMS."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate trigger terminal; gate trigger current IGT is max 35 mA (CW) or 50 mA (BW) at VD=12 V, RL=33 Ω, with peak gate current IGM of 4 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 covers five packages (TO-220A Ins, TO-220B Non-Ins, TO-220F, TO-263, TO-3P). The hint ; Page 1 gives the pin assignment as T2(2), T1(1), G(3) with the pins numbered 1 2 3. The text does no; The ordering code lists 1600 V, but the absolute maximum ratings table lists VDRM/VRRM only up to 12",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.2301,
        "at": "2026-10-27T10:00:06"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a9557ea96cb2a0829be676b085d8aa3c.pdf",
        "pages": 8,
        "sha256": "ca8b081d3f037dec",
        "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": "bta26.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bta26-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": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "825ecee2977664895611f59d2ce667d96655fbe78644844eb29a92ea7a40528e",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}