main
Ray Set visibility: public 8822e88 5h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tdm3428b",
  "title": "TDM3428B",
  "brief": "Techcode Semicon MOSFETs, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors",
    "tdm3428b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TDM3428B",
    "manufacturer": "Techcode Semicon",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Transistors",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0f914f40928eb1ebe14080fafbb71bad.pdf",
    "parts": {
      "symbol": "tdm3428b.kicad_sym",
      "footprint": "tdm3428b.kicad_mod",
      "model_3d": "tdm3428b-hero.glb",
      "model_3d_plain": "tdm3428b-etched.glb",
      "model_3d_step": "tdm3428b-etched.step",
      "model_3d_step_plain": "tdm3428b.step",
      "lbr": "tdm3428b.lbr"
    },
    "distributor_links": {
      "lcsc": "C232917"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T17:31:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate terminal of the N-channel MOSFET, with a gate-source voltage limit of ±20 V and a gate threshold of 1.4 V min to 2.5 V max at 250 μA."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain terminal, also the exposed tab, with a drain-source voltage rating of 30 V and a continuous drain current of 45 A at TC=25℃ (limited by bonding wire)."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source terminal of the N-channel MOSFET, with a diode continuous forward current of 5 A at TC=25℃."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The drain tab is not shown as a separate pin number. The datasheet gives pin numbers only in the sch",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.2304,
        "at": "2026-10-30T17:31:36"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0f914f40928eb1ebe14080fafbb71bad.pdf",
        "pages": 7,
        "sha256": "cd1ca45992819f0a",
        "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
      }
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tdm3428b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "6751d454eef49290c77a7206db6940a64dafc904df5b052f122ff35f6a1df465",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    "package_dims": {
      "package_code": "TO252-3",
      "source_page": 6,
      "D": {
        "nom_mm": 6.1,
        "range_mm": [
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          6.22
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      },
      "E1": {
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        "range_mm": [
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      "E": {
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        "range_mm": [
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      },
      "e": {
        "nom_mm": 2.286,
        "range_mm": [
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          null
        ]
      },
      "A": {
        "nom_mm": 2.3,
        "range_mm": [
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          2.4
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tdm3428b.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Techcode Semicon",
      "Package": "TO-252",
      "Category": "Transistors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cd1ca45992819f0aa0f0b86b68980f174bcc122499a6502687d7582fbabdc6e3",
      "rows": [
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          "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,
          "max": 10,
          "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": 9.7,
          "max": 10.8,
          "conditions": "VGS=10V, ID=10A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-State Resistance",
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          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 13.5,
          "max": 17.5,
          "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",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Rise Time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 10,
          "max": 18,
          "conditions": "VDS=15V, RL=15 Ω, VGEN=10V, RG=6 Ω ID=1A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Delay Time",
          "symbol": "td(off)",
          "kind": "timing",
          "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",
          "symbol": "tf",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 10.6,
          "max": 19,
          "conditions": "VDS=15V, RL=15 Ω, VGEN=10V, RG=6 Ω ID=1A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Gate Charge",
          "symbol": "Qg",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 8,
          "max": 12,
          "conditions": "VDS=15V,ID=10A,VGS=10V",
          "source_page": 2,
          "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"
        },
        {
          "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",
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          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Diode Continuous Forward Current",
          "symbol": "Is",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TC=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "TC=25℃ (Note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "TC=100℃ (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,
          "typ": null,
          "max": 40,
          "conditions": "TC=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "TC=100℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "TA=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "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": "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": "Thermal Resistance, Junction-to-Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 2.8,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "t<10s",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tdm3428b"
  ],
  "discovery_pitch": "TDM3428B (Techcode Semicon) 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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  }
}