main
Ray Set visibility: public dd56d68 14d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "smtpa220",
  "title": "SMTPA220",
  "brief": "STMicroelectronics Thyristor Surge Suppressors (TSS), SMB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "tvs-fuse-board level protection",
    "smtpa220",
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    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "Thyristor Surge Suppressors (TSS)",
    "datasheet": "https://www.st.com/resource/en/datasheet/smtpa220.pdf",
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      "model_3d_step_plain": "smtpa220.step",
      "lbr": "smtpa220.lbr"
    },
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      "lcsc": "C2667674",
      "digikey": "497-7457-2-ND",
      "mouser": "511-SMTPA220"
    },
    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-SMTPA220",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
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      {
        "number": "2",
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        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.0371,
        "at": "2026-10-26T18:55:44"
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        "pages": 11,
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        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "60bc9ffff37f1d67b925cad5c7310f90d6acd5d024ee39fb7ddf173dbdf2ab70",
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      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SMB",
      "Category": "TVS/Fuse/Board Level Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d17787688e344d7be5e4a3fa987ed1339b6b2f13113b53f001cdca0fedd7a5e2",
      "rows": [
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          "symbol": "IRM",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "@ VRM = 198 V, Tamb = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Stand-off voltage",
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          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 198,
          "conditions": "Tamb = 25°C",
          "source_page": 4,
          "source": "datasheet"
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        {
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          "kind": "electrical",
          "unit": "µA",
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          "typ": null,
          "max": 5,
          "conditions": "@ VR = 220 V; IR measured at VR guarantee VBR min ≥ VR",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous reverse voltage",
          "symbol": "VR",
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          "max": 220,
          "conditions": "Tamb = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dynamic breakover voltage",
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          "typ": null,
          "max": 285,
          "conditions": "Dynamic, see functional test circuit 1 (Figure 9)",
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        {
          "name": "Static breakover voltage",
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          "conditions": "Static @ IBO, see test circuit 2 (Figure 10)",
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        },
        {
          "name": "Breakover current",
          "symbol": "IBO",
          "kind": "electrical",
          "unit": "mA",
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          "conditions": "See test circuit 2 (Figure 10)",
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          "name": "Holding current",
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          "kind": "electrical",
          "unit": "mA",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "See functional holding current test circuit 3 (Figure 11)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Capacitance",
          "symbol": "C",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "VR = 50 V bias, VRMS = 1 V, F = 1 MHz",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Capacitance",
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          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "VR = 2 V bias, VRMS = 1 V, F = 1 MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak pulse current",
          "symbol": "IPP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "10/1000 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak pulse current",
          "symbol": "IPP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "8/20 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak pulse current",
          "symbol": "IPP",
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          "unit": "A",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "10/560 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak pulse current",
          "symbol": "IPP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 65,
          "conditions": "5/310 µs",
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          "source": "datasheet"
        },
        {
          "name": "Repetitive peak pulse current",
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          "min": null,
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          "conditions": "10/160 µs",
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        {
          "name": "Repetitive peak pulse current",
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          "min": null,
          "typ": null,
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          "conditions": "1/20 µs",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Fail-safe mode maximum current",
          "symbol": "IFS",
          "kind": "absolute_maximum",
          "unit": "kA",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "8/20 µs; in fail safe mode the device acts as a short circuit",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Non repetitive surge peak on-state current",
          "symbol": "ITSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "t = 0.2 s, sinusoidal",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Non repetitive surge peak on-state current",
          "symbol": "ITSM",
          "kind": "absolute_maximum",
          "unit": "A",
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          "max": 11.5,
          "conditions": "t = 1 s, sinusoidal",
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        {
          "name": "Non repetitive surge peak on-state current",
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          "conditions": "t = 2 s, sinusoidal",
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          "source": "datasheet"
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        {
          "name": "Non repetitive surge peak on-state current",
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          "typ": null,
          "max": 3.5,
          "conditions": "t = 15 mn, sinusoidal",
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          "source": "datasheet"
        },
        {
          "name": "I²t value for fusing",
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          "conditions": "t = 16.6 ms",
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          "name": "I²t value for fusing",
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          "conditions": "t = 20 ms",
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          "source": "datasheet"
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          "name": "Storage temperature range",
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          "conditions": "",
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          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum lead temperature for soldering",
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          "unit": "°C",
          "min": null,
          "typ": null,
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          "conditions": "during 10 s",
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        {
          "name": "Junction to ambient thermal resistance",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "SMB, with recommended footprint",
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          "source": "datasheet"
        },
        {
          "name": "Junction to leads thermal resistance",
          "symbol": "Rth(j-l)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "SMB",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smtpa220"
  ],
  "discovery_pitch": "SMTPA220 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  }
}