VS-25TTS12-M3

{
  "schema_version": 1,
  "type": "component",
  "slug": "vs-25tts12-m3",
  "title": "VS-25TTS12-M3",
  "brief": "Vishay Intertech Thyristors (SCR)/Modules, TO-220AB-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "VS-25TTS12-M3",
    "manufacturer": "Vishay Intertech",
    "package": "TO-220AB-3",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Thyristors (SCR)/Modules",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896762718769152",
    "parts": {
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    },
    "distributor_links": {
      "lcsc": "C468068",
      "digikey": "VS-25TTS12-M3-ND",
      "mouser": "78-VS-25TTS12-M3"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T18:00:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "VS-25TTS12-M3-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "78-VS-25TTS12-M3",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the single SCR, labeled (K) in the circuit configuration; this variant is rated for 1200 V VRRM and VDRM."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the single SCR, labeled (A) in the circuit configuration; maximum on-state RMS current is 25 A and average on-state current is 16 A at TC = 93 °C."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate of the SCR, labeled (G); limits are 8.0 W peak gate power, 2.0 W average gate power, 1.5 A peak positive gate current, 10 V peak negative gate voltage, and 45 mA maximum DC gate current to trigger at TJ = 25 °C."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's circuit diagram labels pin 2 as (A) and pin 1 as (K), but the text does not state ex; The datasheet's ratings are device-level (for example VRRM/VDRM and current ratings) rather than per"
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        "at": "2026-10-15T18:00:43"
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        "sha256": "06ca04f9624c67c0",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
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        "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
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        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
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  "metadata": {
    "specs": {
      "Manufacturer": "Vishay Intertech",
      "Package": "TO-220AB-3",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Repetitive peak reverse voltage (VRRM, 1200 V part)",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": 1200,
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        {
          "name": "Repetitive peak off-state voltage (VDRM, 1200 V part)",
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          "conditions": "TC = 93 °C, 180° conduction half sine wave",
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        {
          "name": "Maximum peak one-cycle non-repetitive surge current",
          "symbol": "ITSM",
          "kind": "absolute_maximum",
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          "min": null,
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          "name": "Maximum peak one-cycle non-repetitive surge current",
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        {
          "name": "Maximum I2t for fusing",
          "symbol": "I2t",
          "kind": "absolute_maximum",
          "unit": "A2s",
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          "max": 365,
          "conditions": "10 ms sine pulse, rated VRRM applied",
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        {
          "name": "Maximum I2t for fusing",
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          "max": 515,
          "conditions": "10 ms sine pulse, no voltage reapplied",
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        {
          "name": "Maximum I2t for fusing",
          "symbol": "I2t",
          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
          "max": 5152,
          "conditions": "t = 0.1 to 10 ms, no voltage reapplied",
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        {
          "name": "Maximum on-state voltage drop",
          "symbol": "VTM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "16 A, TJ = 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "On-state slope resistance",
          "symbol": "rt",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "TJ = 125 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Threshold voltage",
          "symbol": "VT(TO)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
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        {
          "name": "Maximum reverse and direct leakage current",
          "symbol": "IRM/IDM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "TJ = 25 °C, VR = Rated VRRM/VDRM",
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        {
          "name": "Maximum reverse and direct leakage current",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "TJ = 125 °C, VR = Rated VRRM/VDRM",
          "source_page": 2,
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        {
          "name": "Holding current",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Anode supply = 6 V, resistive load, initial IT = 1 A, TJ = 25 °C",
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        {
          "name": "Maximum latching current",
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          "kind": "electrical",
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          "typ": null,
          "max": 200,
          "conditions": "Anode supply = 6 V, resistive load, TJ = 25 °C",
          "source_page": 2,
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        {
          "name": "Maximum rate of rise of off-state voltage",
          "symbol": "dV/dt",
          "kind": "electrical",
          "unit": "V/μs",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "TJ = TJ max., linear to 80 °C, VDRM = Rated, Rg-k = Open",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Maximum rate of rise of turned-on current",
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          "kind": "electrical",
          "unit": "A/μs",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Maximum peak gate power",
          "symbol": "PGM",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 8,
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          "source_page": 2,
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        {
          "name": "Maximum average gate power",
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          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
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        },
        {
          "name": "Maximum peak positive gate current",
          "symbol": "+IGM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Maximum peak negative gate voltage",
          "symbol": "-VGM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Maximum required DC gate current to trigger",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "Anode supply = 6 V, resistive load, TJ = -10 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum required DC gate current to trigger",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "Anode supply = 6 V, resistive load, TJ = 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum required DC gate current to trigger",
          "symbol": "IGT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Anode supply = 6 V, resistive load, TJ = 125 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum required DC gate voltage to trigger",
          "symbol": "VGT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "Anode supply = 6 V, resistive load, TJ = -10 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum required DC gate voltage to trigger",
          "symbol": "VGT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Anode supply = 6 V, resistive load, TJ = 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum required DC gate voltage to trigger",
          "symbol": "VGT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Anode supply = 6 V, resistive load, TJ = 125 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC gate voltage not to trigger",
          "symbol": "VGD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.25,
          "conditions": "TJ = 125 °C, VDRM = Rated value",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Maximum DC gate current not to trigger",
          "symbol": "IGD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Typical turn-on time",
          "symbol": "tgt",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 0.9,
          "max": null,
          "conditions": "TJ = 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Typical reverse recovery time",
          "symbol": "trr",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "TJ = 125 °C",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Typical turn-off time",
          "symbol": "tq",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction and storage temperature range",
          "symbol": "TJ, TStg",
          "kind": "thermal",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum thermal resistance, junction to case",
          "symbol": "RthJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 1.1,
          "conditions": "DC operation",
          "source_page": 3,
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          "name": "Maximum thermal resistance, junction to ambient",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 62,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Typical thermal resistance, case to heatsink",
          "symbol": "RthCS",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "Mounting surface, smooth and greased",
          "source_page": 3,
          "source": "datasheet"
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