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WTM3400

Public Made by Adom

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WPMtek Wei Pan Microelectronics MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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WTM3400

WPMtek Wei Pan Microelectronics · MOSFETs · SOT-23

WTM3400 from WPMtek Wei Pan Microelectronics, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 G input Gate; gate-source voltage limit is ±12 V, with VGS(th) 0.7 V min to 1.4 V max at ID = 250 uA.
2 S passive Source; continuous drain current is 5.8 A and the maximum diode forward current IS is 1.6 A.
3 D passive Drain; drain-source voltage is 30 V, continuous drain current is 5.8 A and pulsed drain current is 30 A.

Key specifications

Parameter Value
Manufacturer WPMtek Wei Pan Microelectronics
Package SOT-23
Category Transistors/Thyristors
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Drain-Source Voltage VDS 30 V 1
Gate-Source Voltage VGS -12 12 V 1
Continuous Drain Current ID 5.8 A 1
Pulsed Drain Current IDM 30 A 1
Maximum Power Dissipation PD 1.4 W TA = 25oC 1
Maximum Power Dissipation PD 1 W TA = 75oC 1
Operating Junction and Storage Temperature Range TJ, Tstg -55 150 oC 1
Junction-to-Ambient Thermal Resistance RθJA 145 oC/W PCB mounted 1
Drain-Source On-State Resistance RDS(on) 22 30 mΩ VGS = 10V, ID = 5.8A 2
Drain-Source On-State Resistance RDS(on) 27 33 mΩ VGS = 4.5V, ID =5A 2
Drain-Source On-State Resistance RDS(on) 43 52 mΩ VGS = 2.5V, ID =4A 2
Gate Threshold Voltage VGS(th) 0.7 1.4 V VDS =VGS, ID = 250uA 2
Gate Body Leakage IGSS -100 100 nA VGS = ± 12V, VDS = 0V 2
Forward Transconductance gfs 10 15 S VDS = 5V, ID = 5A 2
Gate Resistance Rg 6 7 7.5 Ω F = 1.0MHz 2
Max. Diode Forward Current IS 1.6 A 2

CAD (KiCad official)

  • Symbol: WTM3400
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: wtm3400-etched.step / wtm3400-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wtm3400.step / wtm3400.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: WPMtek Wei Pan Microelectronics datasheet (4 pp, sha256 1b5fd17bb0663164, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF