main
Ray Set visibility: public 9429327 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tdm3426b",
  "title": "TDM3426B",
  "brief": "Techcode Semicon MOSFETs, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "transistors-thyristors",
    "tdm3426b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TDM3426B",
    "manufacturer": "Techcode Semicon",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
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    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
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      "mouser": {
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        "status": "no match"
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    },
    "pins": [
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        "name": "G",
        "type": "input",
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      },
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        "number": "3",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin numbers 1, 2 and 3 are not printed on the datasheet. Page 1 only labels the three leads of t; The drawing on page 7 shows a fourth, wider tab at the top of the package, but the datasheet doesn't",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "pages": 8,
        "sha256": "edc4500bc9885fa9",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "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": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Techcode Semicon",
      "Package": "SOT-89",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "edc4500bc9885fa96c5717c3cb497816d4b7f6985770c7cad6120a8771f68e96",
      "rows": [
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          "name": "Drain-Source Voltage",
          "symbol": "VDS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
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        {
          "name": "Diode Continuous Forward Current",
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          "conditions": "TC=25℃",
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          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "TC=25℃; max continuous current limited by bonding wire (Note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulse Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "TA=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
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        {
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          "conditions": "TA=25℃",
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        {
          "name": "Maximum Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2.2,
          "conditions": "TA=70℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "t<10s",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Breakdown Voltage",
          "symbol": "BVDSS",
          "kind": "electrical",
          "unit": "V",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V ID=250μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zero Gate Voltage Drain Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS=24V,VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Body Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": null,
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          "conditions": "VGS=±20V,VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": 1.8,
          "max": 2.5,
          "conditions": "VDS=VGS,ID=250μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-State Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 8.2,
          "max": 10,
          "conditions": "VGS=10V, ID=10A",
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          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-State Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 12.3,
          "max": 16,
          "conditions": "VGS=4.5V, ID=8A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "PF",
          "min": null,
          "typ": 450,
          "max": 600,
          "conditions": "VDS=15V,VGS=0V, F=1.0MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Delay Time",
          "symbol": "td(on)",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 8.5,
          "max": 16,
          "conditions": "VDS=15V, RL=15 Ω, VGEN=10V, RG=6 Ω ID=1A",
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          "source": "datasheet"
        },
        {
          "name": "Turn-on Rise Time",
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          "name": "Turn-Off Delay Time",
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          "unit": "nS",
          "min": null,
          "typ": 14,
          "max": 26,
          "conditions": "VDS=15V, RL=15 Ω, VGEN=10V, RG=6 Ω ID=1A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Fall Time",
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          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 10.6,
          "max": 19,
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        },
        {
          "name": "Total Gate Charge",
          "symbol": "Qg",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 8,
          "max": 12,
          "conditions": "VDS=15V,ID=10A,VGS=10V",
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          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": 1.1,
          "conditions": "VGS=0V,IS=5A",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "TDM3426B (Techcode Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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