BT138

{
  "slug": "bt138",
  "version": "0.1.0",
  "type": "component",
  "description": "JUXING Thyristors (SCR)/Modules, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bt138",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bt138.kicad_sym",
    "bt138.kicad_mod",
    "bt138.glb",
    "bt138.step",
    "bt138.lbr",
    "docs/hero.png",
    "docs/bt138-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bt138-hero.glb",
    "bt138-hero.overlay.json",
    "bt138-etched.glb"
  ],
  "component": {
    "mpn": "BT138",
    "manufacturer": "JUXING",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Thyristors (SCR)/Modules",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8b417809b8556614f6463515f5030fe8.pdf",
    "parts": {
      "symbol": "bt138.kicad_sym",
      "footprint": "bt138.kicad_mod",
      "model_3d": "bt138-hero.glb",
      "model_3d_plain": "bt138-etched.glb",
      "model_3d_step": "bt138-etched.step",
      "model_3d_step_plain": "bt138.step",
      "lbr": "bt138.lbr"
    },
    "distributor_links": {
      "lcsc": "C22440666"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T05:12:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "T1",
        "type": "passive",
        "description": "Main terminal T1 of the triac (diagram shows T1 opposite T2); rated 10 A RMS on-state current, 600 V/800 V VDRM/VRRM."
      },
      {
        "number": "2",
        "name": "T2",
        "type": "passive",
        "description": "Main terminal T2 of the triac, brought out as the centre lead and the mounting tab; rated 10 A RMS on-state current, 600 V/800 V VDRM/VRRM."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate trigger input; IGT max 50 mA in quadrants I, II and III and 100 mA in quadrant IV (VD=12 V, RL=100 Ω), VGT max 1.5 V, peak gate current 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 pin table on page 1 (PIN1:T1, PIN2:T2, PIN3:G) matches the package drawing. The tab is labelled ; The datasheet does not say which quadrant the Ⅳ rows apply to (the IGT Ⅳ value is 100 mA). The pin d",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1363,
        "at": "2026-11-05T05:11:54"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8b417809b8556614f6463515f5030fe8.pdf",
        "pages": 3,
        "sha256": "81e439d655907bef",
        "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": "bt138.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bt138-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ebe4bb1f546a6b08d6db71da9d0a6925e9fb4beccc762c2528da3a32259e90ca",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}