CR08AS-8B

{
  "schema_version": 1,
  "type": "component",
  "slug": "cr08as-8b",
  "title": "CR08AS-8B",
  "brief": "KEXIN TRIACs, SOT-89. 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",
    "cr08as-8b",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CR08AS-8B",
    "manufacturer": "KEXIN",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Transistors",
    "subcategory": "TRIACs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e9ea14c92d3b6a5586e81116a26a81d0.pdf",
    "parts": {
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      "lbr": "cr08as-8b.lbr"
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    "distributor_links": {
      "lcsc": "C499618"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:37:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GATE",
        "type": "input",
        "description": "Gate trigger input; the datasheet gives peak gate forward current 0.3 A, peak gate power dissipation 0.5 W, peak gate reverse voltage 6 V, and a gate trigger current limit of 100 µA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Main anode terminal; repetitive peak off-state voltage VDRM is 400 V (CR08AS-8) or 600 V (CR08AS-12) with gate-cathode resistance RGK = 1 kΩ."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "passive",
        "description": "Main cathode terminal and gate reference; RGK = 1 kΩ is specified between gate and cathode, with average on-state current IT(AV) rated at 0.8 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The text does not name the SOT-89 package or the MPN suffix 'CR08AS-8B'. Pins 1 GATE, 2 ANODE, 3 CAT; The gate trigger current is printed as 'IGT :100 A' in the Features list, which is a typo; the chara"
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        "at": "2026-10-30T16:37:28"
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      "datasheet": {
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        "pages": 6,
        "sha256": "665c8fd0fe03068b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "cr08as-8b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "KEXIN",
      "Package": "SOT-89",
      "Category": "Transistors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "665c8fd0fe03068b2d55d9f5129735f4ab2fe2031d48877d8f9bca45246c094a",
      "rows": [
        {
          "name": "Repetitive peak reverse voltage",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Non-repetitive peak reverse voltage",
          "symbol": "VRSM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC reverse voltage",
          "symbol": "VR(DC)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 320,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state voltage",
          "symbol": "VDRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "*1 With Gate-to-cathode resistance RGK=1kΩ",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC off-state voltage",
          "symbol": "VD(DC)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 320,
          "conditions": "*1 With Gate-to-cathode resistance RGK=1kΩ",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "RMS on-state current",
          "symbol": "IT(RMS)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.26,
          "conditions": "",
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        },
        {
          "name": "Average on-state current",
          "symbol": "IT(AV)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Surge on-state current",
          "symbol": "ITSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "I2t for fusing",
          "symbol": "I2t",
          "kind": "absolute_maximum",
          "unit": "A2s",
          "min": null,
          "typ": null,
          "max": 0.42,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak gate power dissipation",
          "symbol": "PGM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average gate power dissipation",
          "symbol": "PG(AV)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak gate forward voltage",
          "symbol": "VFGM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak gate reverse voltage",
          "symbol": "VRGM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak gate forward current",
          "symbol": "IFGM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak reverse current",
          "symbol": "IRRM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Tj=125, VRRM applied, RGK=1k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak off-state current",
          "symbol": "IDRM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Tj=125, VDRM applied, RGK=1k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "On-state voltage",
          "symbol": "VTM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "Ta=25, ITM=2.5A, instantaneous value",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger voltage",
          "symbol": "VGT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Ta=25, VD=6V, IT=0.1A *1",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate non-trigger voltage",
          "symbol": "VGD",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": null,
          "max": null,
          "conditions": "Tj=125, VD=1/2VDRM, RGK=1k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate trigger current",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": null,
          "max": 100,
          "conditions": "Tj=25, VD=6V, IT=0.1A *1; *2 choose special range from items A/B/C if required",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Holding current",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.5,
          "max": 3,
          "conditions": "Tj=25, VD=12V, RGK=1k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "Rth (j-a)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "Junction to ambient",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "CR08AS-8B (KEXIN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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