BTA330Y-800BTQ

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  "slug": "bta330y-800btq",
  "title": "BTA330Y-800BTQ",
  "brief": "WeEn Semiconductors TRIACs, TO-220AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "BTA330Y-800BTQ",
    "manufacturer": "WeEn Semiconductors",
    "package": "TO-220AB",
    "pin_count": 3,
    "category": "Transistors",
    "subcategory": "TRIACs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/12e1e7abcd9fb87ce6fa2a6a8e53c58b.pdf",
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    "distributor_links": {
      "lcsc": "C602528",
      "digikey": "1740-1229-ND",
      "mouser": "771-BTA330Y-800BTQ"
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    "pins": [
      {
        "number": "1",
        "name": "T1",
        "type": "passive",
        "description": "Main terminal 1 of the triac; the datasheet lists it as main terminal 1."
      },
      {
        "number": "2",
        "name": "T2",
        "type": "passive",
        "description": "Main terminal 2 of the triac; the datasheet lists it as main terminal 2 and gives 2500 V RMS isolation from all terminals to the external heatsink."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate terminal; the datasheet gives a gate trigger current of at most 50 mA at VD = 12 V and IT = 0.1 A in quadrants T2+G+, T2+G- and T2-G-."
      }
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    "provenance": {
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        "guard_notes": [
          "extractor flagged: The datasheet covers BTA330Y-800BT, and the requested MPN is BTA330Y-800BTQ. The Q suffix is not exp; The mounting base (mb) is listed as n.c. (isolated) and has no pin number, so it is not included as ; The datasheet does not assign electrical pin types. T1 and T2 are set to passive and G to input, fol"
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        "at": "2026-10-26T19:22:20"
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        "described": 3,
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    "specs": {
      "Manufacturer": "WeEn Semiconductors",
      "Package": "TO-220AB",
      "Category": "Transistors",
      "Pins": "3"
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        {
          "name": "I2t for fusing",
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          "name": "Average gate power",
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          "name": "Storage temperature",
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          "name": "Junction temperature",
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        {
          "name": "Thermal resistance junction to mounting base",
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          "name": "Holding current",
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          "conditions": "VD = 12 V; Tj = 25 °C",
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          "name": "On-state voltage",
          "symbol": "VT",
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          "max": 1.55,
          "conditions": "IT = 42 A; Tj = 25 °C",
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          "name": "Gate trigger voltage",
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          "conditions": "VD = 12 V; Tj = 25 °C",
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        {
          "name": "Gate trigger voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": 0.45,
          "max": null,
          "conditions": "VD = 400 V; Tj = 150 °C",
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        {
          "name": "Off-state current",
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          "kind": "electrical",
          "unit": "µA",
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          "max": 10,
          "conditions": "VD = 800 V; Tj = 25 °C",
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        {
          "name": "Off-state current",
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          "unit": "mA",
          "min": null,
          "typ": 0.4,
          "max": 2,
          "conditions": "VD = 800 V; Tj = 150 °C",
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        {
          "name": "Rate of rise of off-state voltage",
          "symbol": "dVD/dt",
          "kind": "electrical",
          "unit": "V/µs",
          "min": 4000,
          "typ": null,
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          "conditions": "VDM = 536 V; Tj = 125 °C; exponential waveform; gate open circuit",
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        {
          "name": "Rate of rise of off-state voltage",
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          "min": 2000,
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          "conditions": "VDM = 536 V; Tj = 150 °C; exponential waveform; gate open circuit",
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        {
          "name": "Rate of change of commutating current",
          "symbol": "dIcom/dt",
          "kind": "electrical",
          "unit": "A/ms",
          "min": 20,
          "typ": null,
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          "conditions": "VD = 400 V; Tj = 125 °C; IT(RMS) = 30 A; dVcom/dt = 20 V/µs; gate open circuit",
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        {
          "name": "Rate of change of commutating current",
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          "min": 15,
          "typ": null,
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        {
          "name": "RMS isolation voltage",
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          "min": null,
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          "max": 2500,
          "conditions": "all terminals to external heatsink; sinusoidal; 50 Hz ≤ f ≤ 60 Hz; RH ≤ 65 %; Tmb = 25 °C",
          "source_page": 8,
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        {
          "name": "Isolation capacitance",
          "symbol": "Cisol",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "main terminal 2 to external heatsink; f = 1 MHz; Tmb = 25 °C",
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