BTA26-800B

{
  "schema_version": 1,
  "type": "component",
  "slug": "bta26-800b",
  "title": "BTA26-800B",
  "brief": "KY Thyristors (SCR)/Modules, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "transistors-thyristors",
    "bta26-800b",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "BTA26-800B",
    "manufacturer": "KY",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Thyristors (SCR)/Modules",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944419962044416",
    "parts": {
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      "footprint": "bta26-800b.kicad_mod",
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      "lbr": "bta26-800b.lbr"
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    "distributor_links": {
      "lcsc": "C2831706"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:03:32Z",
      "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 main-current terminal on the gate side; the pin 1 position is marked on the TO-220A package drawing and the symbol shows T1(1)."
      },
      {
        "number": "2",
        "name": "T2",
        "type": "passive",
        "description": "Main terminal 2 (T2), which carries the on-state current up to IT(RMS) 25 A at Tc=110°C and blocks VDRM/VRRM of 800 V for the BTA26-800."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate, which triggers the triac with VGT ≤1.5 V and IGT ≤35 to ≤50 mA (≤100 mA in quadrant IV on the B version) at VD=12 V, RL=30 Ω."
      }
    ],
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        "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 TO-220A Insulated, TO-220B Non-Insulated, TO-3P Insulated and TO-263 for the BT; The TO-220A drawing numbers the three leads 1, 2 and 3. The symbol on page 2 labels T2(2), T1(1) and",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.2291,
        "at": "2026-10-17T23:01:53"
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      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944419962044416",
        "pages": 7,
        "sha256": "595fc0bdcb5a419b",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "KY",
      "Package": "TO-220",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
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      "rows": [
        {
          "name": "Repetitive peak off-state current, Tj=25°C",
          "symbol": "IDRM",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Tj=25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state current, Tj=125°C",
          "symbol": "IDRM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Tj=125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak reverse current, Tj=25°C",
          "symbol": "IRRM",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Tj=25°C",
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          "source": "datasheet"
        },
        {
          "name": "Repetitive peak reverse current, Tj=125°C",
          "symbol": "IRRM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Tj=125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward on voltage",
          "symbol": "VTM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.55,
          "conditions": "IT=35A tp=380us",
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        },
        {
          "name": "Gate trigger voltage",
          "symbol": "VGT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VD=12V, RL=30Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of on-state current, quadrants I, II, III",
          "symbol": "di/dt",
          "kind": "electrical",
          "unit": "A/us",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "I,II,III; F=120Hz, Tj=125°C, IG=2xIGT, tr≤100ns",
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          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of on-state current, quadrant IV",
          "symbol": "di/dt",
          "kind": "electrical",
          "unit": "A/us",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "IV; F=120Hz, Tj=125°C, IG=2xIGT, tr≤100ns",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger current, quadrants I, II, III",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "I,II,III; VD=12V, RL=30Ω (column B)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger current, quadrant IV",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "IV; VD=12V, RL=30Ω (column B)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Holding current",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "IT=0.2A (column B)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate non-trigger voltage",
          "symbol": "VDG",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": null,
          "max": null,
          "conditions": "ALL; VD=VDRM, TJ=125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of commutation voltage",
          "symbol": "dv/dt",
          "kind": "electrical",
          "unit": "V/us",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "TJ=125°C; VD=2/3VDRM; gate open circuit (column B)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state voltage",
          "symbol": "VDRM/VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "BTA26-800",
          "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": 25,
          "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": 280,
          "conditions": "tp=16.7ms",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Surge on-state current",
          "symbol": "ITSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "tp=10ms",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "I²t for fusing",
          "symbol": "I²t",
          "kind": "absolute_maximum",
          "unit": "A²s",
          "min": null,
          "typ": null,
          "max": 520,
          "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": 1,
          "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": 6,
          "conditions": "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": "Thermal resistance junction to case",
          "symbol": "Rth(j-c)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "BTA26-800B (KY) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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