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WSF4095

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Winsok Semicon MOSFETs, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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WSF4095

Winsok Semicon · MOSFETs · TO-252

WSF4095 from Winsok Semicon, in a TO-252. 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 limited to ±20 V, with threshold VGS(th) of 1.3 V min to 2.5 V max at ID=250uA.
2 D passive Drain, connected to the exposed tab; drain-source voltage rated 40 V and continuous current 95 A at TC=25℃.
3 S passive Source; continuous source current (body diode) is 25 A max.

Key specifications

Parameter Value
Manufacturer Winsok Semicon
Package TO-252
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 Breakdown Voltage BVDSS 40 V VGS=0V, ID=250uA 2
Static Drain-Source On-Resistance RDS(ON) 4.8 mΩ VGS=10V, IDS=20A 2
Static Drain-Source On-Resistance RDS(ON) 5.2 6.8 mΩ VGS=4.5V, IDS=15A 2
Gate Threshold Voltage VGS(th) 1.3 1.7 2.5 V VGS=VDS, ID=250uA 2
Drain-Source Leakage Current IDSS 1 uA VDS=32V, VGS=0V, TJ=25℃ 2
Drain-Source Leakage Current IDSS 30 uA VDS=32V, VGS=0V, TJ=85℃ 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±20V, VDS=0V 2
Gate Resistance Rg 1 2 Ω VDS=0V, VGS=0V, f=1MHz 2
Turn-On Delay Time Td(on) 7.7 14 ns VDD=20V, RL=20W, IDS=1A, VGEN=10V, RG=6W 2
Rise Time Tr 14.3 26 ns VDD=20V, RL=20W, IDS=1A, VGEN=10V, RG=6W 2
Turn-Off Delay Time Td(off) 26.6 48 ns VDD=20V, RL=20W, IDS=1A, VGEN=10V, RG=6W 2
Fall Time Tf 32.6 59 ns VDD=20V, RL=20W, IDS=1A, VGEN=10V, RG=6W 2
Input Capacitance Ciss 1645 2139 pF VDS=20V, VGS=0V, f=1MHz 2
Continuous Source Current IS 25 A VG=VD=0V, Force Current 2
Diode Forward Voltage VSD 0.75 1.1 V VGS=0V, IS=20A, TJ=25℃ 2
Drain-Source Voltage VDS 40 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID@TC=25℃ 95 A VGS @ 10V 1
Continuous Drain Current ID@TC=100℃ 50 A VGS @ 10V 1
Continuous Drain Current ID@TA=25℃ 18 A VGS @ 10V 1
Continuous Drain Current ID@TA=70℃ 14 A VGS @ 10V 1
Pulsed Drain Current IDM 224 A TC=25°C 1
Avalanche Energy, Single pulse EAS 51 mJ L=0.1mH 1
Avalanche Current, Single pulse IAS 32 A L=0.1mH 1
Total Power Dissipation PD@TC=25℃ 54 W 1
Total Power Dissipation PD@TC=100℃ 22 W 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Thermal Resistance Junction-Ambient RθJA 50 ℃/W 1
Thermal Resistance Junction-Case RθJC 2.3 ℃/W 1
Forward Transconductance gfs 31 S VDS=5V, ID=20A 2
Total Gate Charge (10V) Qg 11.5 nC VDS=20V, VGS=10V, ID=20A 2

CAD (KiCad official)

  • Symbol: WSF4095
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: wsf4095-etched.step / wsf4095-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wsf4095.step / wsf4095.glb are the bare package body.

Provenance

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

  • Datasheet: Winsok Semicon datasheet (8 pp, sha256 fbfde67a95ac3c10, retrieved 2026-10-23, 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