main
Ray Set visibility: public 0e40765 12d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "hsm15-tct",
  "title": "HSM15.TCT",
  "brief": "HXY MOSFET Electrostatic And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "manufacturer": "HXY MOSFET",
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    "subcategory": "Electrostatic And Surge Protection (TVS/ESD)",
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      "model_3d_plain": "hsm15-tct-etched.glb",
      "model_3d_step": "hsm15-tct-etched.step",
      "model_3d_step_plain": "hsm15-tct.step",
      "lbr": "hsm15-tct.lbr"
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    "distributor_links": {
      "lcsc": "C22439901"
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    "distributor_check": {
      "checked_at": "2026-10-27T09:56:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    "pins": [
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        "type": "passive",
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      },
      {
        "number": "2",
        "name": "I/O2",
        "type": "passive",
        "description": "Protected line 2 (cathode of the second TVS diode in the circuit diagram); working voltage 15V, can protect one bidirectional line with pin 1 or be used as a unidirectional line."
      },
      {
        "number": "3",
        "name": "COMMON",
        "type": "passive",
        "description": "Common node joining the anodes of both diodes in the circuit diagram, typically tied to ground for unidirectional protection."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin names. I chose I/O1, I/O2 and COMMON from the circuit diagram. The diagra",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "at": "2026-10-27T09:56:24"
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        "pages": 4,
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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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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-27",
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        "checked": "2026-10-27",
        "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"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9f87438fb1ad970b8b6fdf57c6c0dc6eb55c473f8a8449619b8f3a39ded02243",
      "rows": [
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          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Reverse Breakdown Voltage",
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          "min": 16.7,
          "typ": null,
          "max": null,
          "conditions": "IT = 1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VRWM = 15V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
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          "typ": null,
          "max": 24,
          "conditions": "IPP = 1A, tp = 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 38,
          "conditions": "IPP = 10A, tp = 8/20μs",
          "source_page": 2,
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        },
        {
          "name": "Junction Capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
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        },
        {
          "name": "Peak Pulse Power",
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          "kind": "absolute_maximum",
          "unit": "W",
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          "max": 350,
          "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,
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          "conditions": "during 10s",
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        },
        {
          "name": "Storage Temperature Range",
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          "min": -55,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Operating Temperature Range",
          "symbol": "Top",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Maximum junction temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD air discharge",
          "symbol": "IEC61000-4-2",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "air discharge",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD contact discharge",
          "symbol": "IEC61000-4-2",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "contact discharge",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "EFT",
          "symbol": "IEC61000-4-4",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "5/50 ns",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "hsm15.tct"
  ],
  "discovery_pitch": "HSM15.TCT (HXY MOSFET) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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