main
Ray Set visibility: public c2f33be 17d ago
{
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  "type": "component",
  "slug": "hesdnc7",
  "title": "HESDNC7",
  "brief": "HXY MOSFET ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-23",
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    "subcategory": "ESD And Surge Protection (TVS/ESD)",
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      "lbr": "hesdnc7.lbr"
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    "distributor_links": {
      "lcsc": "C3033496"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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        "name": "1",
        "type": "passive",
        "description": "One terminal of the bidirectional ESD protection diode pair (tied with pin 2 in all electrical characteristics); clamping voltage is max 12 V at IPP = 10 A (8x20 µs) from pin 1/2 to pin 3, and junction capacitance is max 15 pF at 0 V, 1 MHz."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "The second terminal of the bidirectional ESD protection diode pair (tied with pin 1 in all electrical characteristics); clamping voltage is max 12 V at IPP = 10 A (8x20 µs) from pin 1/2 to pin 3, and junction capacitance is max 15 pF at 0 V, 1 MHz."
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "Common terminal of the bidirectional protection pair, opposite pins 1 and 2; clamping voltage from pin 3 to pin 1/2 is max 20 V at IPP = 10 A (8x20 µs), and junction capacitance is max 15 pF."
      }
    ],
    "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 datasheet does not state a function or net name for each pin. Pins 1 and 2 are always specified ; Pin 1 and pin 2 are specified only as a pair, so the datasheet gives no way to tell them apart. Both; The Electrical Characteristics table is garbled in the text extraction, especially the reverse stand"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0362,
        "at": "2026-10-17T16:09:50"
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        "pages": 5,
        "sha256": "2c98ae0743fbf0c1",
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOT-23",
      "Category": "Circuit Protection",
      "Pins": "3"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2c98ae0743fbf0c1f0cf5be1ce684d76b039c84f348642024b018ed093de3147",
      "rows": [
        {
          "name": "Peak Pulse Power",
          "symbol": "PPP",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "tp = 8/20μs",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum lead temperature for soldering",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "during 10s",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "Top",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "IEC61000-4-2 ESD air discharge",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "IEC61000-4-2 (ESD) air discharge",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "IEC61000-4-2 ESD contact discharge",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "IEC61000-4-2 (ESD) contact discharge",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "IEC61000-4-4 EFT",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "IEC61000-4-4 (EFT)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse stand-off voltage (Pin 1、2 to Pin 3)",
          "symbol": "VRWM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Pin 1、2 to Pin 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse stand-off voltage (Pin 3 to Pin 1、2)",
          "symbol": "VRWM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "Pin 3 to Pin 1、2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse breakdown voltage (Pin 1、2 to Pin 3)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 7.5,
          "typ": null,
          "max": null,
          "conditions": "IT = 1 mA, Pin 1、2 to Pin 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse breakdown voltage (Pin 3 to Pin 1、2)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 13.3,
          "typ": null,
          "max": null,
          "conditions": "IT = 1 mA, Pin 3 to Pin 1、2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current (Pin 1、2 to Pin 3)",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "VR = VRWM, Pin 1、2 to Pin 3",
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        },
        {
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          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VR = VRWM, Pin 3 to Pin 1、2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage (Pin 1、2 to Pin 3)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "IPP = 10A (8 x 20µs pulse), Pin 1、2 to Pin 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage (Pin 3 to Pin 1、2)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "IPP = 10A (8 x 20µs pulse), Pin 3 to Pin 1 、2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction capacitance (Pin 1、2 to Pin 3)",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VR = 0V, f = 1MHz, Pin 1、2 to Pin 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction capacitance (Pin 3 to Pin 1、2)",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VR = 0V, f = 1MHz, Pin 3 to Pin 1、2",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "HESDNC7 (HXY MOSFET) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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