WR0205

{
  "schema_version": 1,
  "type": "component",
  "slug": "wr0205",
  "title": "WR0205",
  "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",
    "wr0205",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "WR0205",
    "manufacturer": "WEIDA",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Thyristors (SCR)/Modules",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944613826969600",
    "parts": {
      "symbol": "wr0205.kicad_sym",
      "footprint": "wr0205.kicad_mod",
      "model_3d": "wr0205-hero.glb",
      "model_3d_plain": "wr0205.glb",
      "model_3d_step": "wr0205-etched.step",
      "model_3d_step_plain": "wr0205.step",
      "lbr": "wr0205.lbr"
    },
    "distributor_links": {
      "lcsc": "C2901042"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T22:04:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 546 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the SCR (K(1) in the device symbol); the SCR is rated for IT(RMS) 2 A on-state current."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the SCR (A(2) in the device symbol); the SCR blocks VDRM/VRRM of 600/800 V."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate of the SCR (G(3) in the device symbol); trigger current IGT is 40 µA typical and 200 µA max at VD=12 V, RL=33 Ω."
      }
    ],
    "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 no tab pin on the SOT-223-3L drawing and doesn't say whether the tab is connecte",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.2606,
        "at": "2026-10-09T22:02:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944613826969600",
        "pages": 8,
        "sha256": "211f0ac51b9f64d2",
        "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": "wr0205.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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wr0205-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d995cf056dda1be941de03eab8e443dd195a277557e93c59663fd0a0e6a5e3e8",
        "checked": "2026-10-16",
        "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": "211f0ac51b9f64d2",
      "rows": [
        {
          "name": "Gate trigger current",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 40,
          "max": 200,
          "conditions": "VD=12V, RL=33Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger voltage",
          "symbol": "VGT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.5,
          "max": 1.5,
          "conditions": "VD=12V, RL=33Ω",
          "source_page": 2,
          "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℃ RL=3.3kΩ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Holding current",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "IT=50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Latching current",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "IG=1.2IGT",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of off-state voltage",
          "symbol": "dV/dt",
          "kind": "electrical",
          "unit": "V/µs",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "VD=0.66×VDRM Tj=110℃ G 极开路 RGK=1KΩ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "On-state voltage",
          "symbol": "VTM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "ITM=4A tp=380μs Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state and reverse current",
          "symbol": "IDRM/IRRM",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VDRM= VRRM RGK=1KΩ Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state and reverse current",
          "symbol": "IDRM/IRRM",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VDRM= VRRM RGK=1KΩ Tj=110℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "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": 110,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "RMS on-state current",
          "symbol": "IT(RMS)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "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": 20,
          "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": 2,
          "conditions": "tp=10ms",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Critical rate of rise of on-state current",
          "symbol": "dI/dt",
          "kind": "absolute_maximum",
          "unit": "A/µs",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "IG=2×IGT",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak gate current",
          "symbol": "IGM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Average gate power dissipation",
          "symbol": "PG(AV)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak gate power",
          "symbol": "PGM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to case (AC), SOT-223",
          "symbol": "Rth(j-c)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "junction to case(AC), SOT-223-3L",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "wr0205"
  ],
  "discovery_pitch": "WR0205 (WEIDA) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "wr0205.kicad_mod",
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    "wr0205.step",
    "wr0205.lbr",
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    "docs/wr0205-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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  "visibility": {
    "public": true
  }
}