main
Ray Set visibility: public ee9cf3a
{
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  "slug": "dmg3420u-hxy",
  "title": "DMG3420U-HXY",
  "brief": "HXY MOSFET MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "DMG3420U-HXY",
    "manufacturer": "HXY MOSFET",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
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    "distributor_links": {
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    "distributor_check": {
      "checked_at": "2026-11-12T05:46:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
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        "status": "no match"
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    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate terminal of the N-channel MOSFET; the datasheet gives the gate-source voltage limit as ±12 V and specifies RDS(ON) at VGS = 2.5 V and 4.5 V."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain terminal; the datasheet limits drain-source voltage to 20 V and continuous drain current to 6 A at TA = 25℃ (3.6 A at TA = 70℃), with 15 A pulsed."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source terminal; the datasheet gives a diode forward current rating of 4.5 A and specifies the body diode forward voltage at IS = 1 A (1.2 V max)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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": [
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        "cost_usd": 0.0018,
        "at": "2026-11-12T05:46:04"
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        "pages": 7,
        "sha256": "f2cb334e0cedef97",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "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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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-11-12",
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      "source_page": 6,
      "D": {
        "nom_mm": 2.9,
        "range_mm": [
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          3
        ]
      },
      "E1": {
        "nom_mm": 1.3,
        "range_mm": [
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      },
      "E": {
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        "range_mm": [
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        ]
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      "e": {
        "nom_mm": 0.95,
        "range_mm": [
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          null
        ]
      },
      "A": {
        "nom_mm": 1.025,
        "range_mm": [
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          1.15
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "dmg3420u-hxy.step",
        "verdict": "PASS",
        "reasons": [
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    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOT-23",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "3"
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    "characteristics": {
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      "rows": [
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          "name": "Drain-Source Voltage",
          "symbol": "VDS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGS",
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          "unit": "V",
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          "name": "Continuous Drain Current",
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        {
          "name": "Drain Current-Pulsed",
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          "kind": "absolute_maximum",
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          "conditions": "Note 1: repetitive rating, pulse width limited by maximum junction temperature",
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        {
          "name": "Maximum Power Dissipation",
          "symbol": "PD",
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          "unit": "W",
          "min": null,
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          "conditions": "TA=25℃ (table header condition)",
          "source_page": 1,
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        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ,TSTG",
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          "unit": "℃",
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        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Surface mounted on FR4 Board, t ≤ 10 sec (Note 2)",
          "source_page": 1,
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        {
          "name": "Drain-Source Breakdown Voltage",
          "symbol": "BVDSS",
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          "unit": "V",
          "min": 20,
          "typ": 22.5,
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        },
        {
          "name": "Zero Gate Voltage Drain Current",
          "symbol": "IDSS",
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        {
          "name": "Gate-Body Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
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          "conditions": "VGS=±12V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(th)",
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          "typ": 0.65,
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          "conditions": "VDS=VGS, ID=250μA",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Drain-Source On-State Resistance",
          "symbol": "RDS(ON)",
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          "unit": "mΩ",
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          "typ": 22,
          "max": 27,
          "conditions": "VGS=4.5V, ID=4.0 A",
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          "min": null,
          "typ": 28,
          "max": 40,
          "conditions": "VGS=2.5V, ID=4.5A",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Total Gate Charge",
          "symbol": "Qg",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 10,
          "max": 15,
          "conditions": "VDS=10V, ID=3A, VGS=4.5V",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Diode Forward Voltage (Note 3)",
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          "conditions": "VGS=0V, IS=1A",
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