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WSE9968A

Public Made by Adom

by adom

Winsok Semicon MOSFETs, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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WSE9968A

Winsok Semicon · MOSFETs · SOT-89

WSE9968A from Winsok Semicon, in a SOT-89. 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 rated at ±20 V maximum, with a threshold of 1.0 V min to 3.0 V max at ID=250uA.
2 D passive Drain, also connected to the top tab shown labeled D; drain-source voltage rated at 100 V and continuous drain current 4.4 A at TA=25℃.
3 S passive Source; continuous source (body diode) current is 3.0 A max and pulsed source current is 16 A max.

Key specifications

Parameter Value
Manufacturer Winsok Semicon
Package SOT-89
Category Transistors
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 100 V VGS=0V , ID=250uA 2
Static Drain-Source On-Resistance RDS(ON) 75 mΩ VGS=10V , ID=4A 2
Gate Threshold Voltage VGS(th) 1 2 3 V VGS=VDS , ID =250uA 2
Drain-Source Leakage Current IDSS 1 uA VDS=80V , VGS=0V , TJ=25℃ 2
Drain-Source Leakage Current IDSS 5 uA VDS=80V , VGS=0V , TJ=55℃ 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±20V , VDS=0V 2
Gate Resistance Rg 2.5 4 Ω VDS=0V , VGS=0V , f=1MHz 2
Total Gate Charge (10V) Qg 16 22 nC VDS=80V , VGS=10V , ID=4A 2
Gate-Source Charge Qgs 2.5 4.2 nC VDS=80V , VGS=10V , ID=4A 2
Gate-Drain Charge Qgd 3 4.5 nC VDS=80V , VGS=10V , ID=4A 2
Turn-On Delay Time Td(on) 11 20 ns VDD=50V , VGS=10V , RG=6Ω, ID=1A ,RL=30Ω 2
Rise Time Tr 6 11 ns VDD=50V , VGS=10V , RG=6Ω, ID=1A ,RL=30Ω 2
Turn-Off Delay Time Td(off) 27 49 ns VDD=50V , VGS=10V , RG=6Ω, ID=1A ,RL=30Ω 2
Fall Time Tf 5 10 ns VDD=50V , VGS=10V , RG=6Ω, ID=1A ,RL=30Ω 2
Input Capacitance Ciss 760 980 pF VDS=15V , VGS=0V , f=1MHz 2
Single Pulse Avalanche Energy EAS 12 mJ VDD=25V , L=0.5mH , IAS=4A 2
Continuous Source Current IS 3 A VG=VD=0V , Force Current 2
Pulsed Source Current ISM 16 A VG=VD=0V , Force Current 2
Diode Forward Voltage VSD 1.2 V VGS=0V , IS=1A , TJ=25℃ 2
Drain-Source Voltage VDS 100 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID@TA=25℃ 4.4 A VGS @ 10V 1
Continuous Drain Current ID@TA=70℃ 3.5 A VGS @ 10V 1
Pulsed Drain Current IDM 16 A 1
Single Pulse Avalanche Energy EAS 12 mJ 1
Avalanche Current IAS 7 A 1
Total Power Dissipation PD@TA=25℃ 3.5 W 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Thermal Resistance Junction-ambient RθJA 85 ℃/W 1
Thermal Resistance Junction-Case RθJC 35 ℃/W 1
BVDSS Temperature Coefficient △BVDSS/△TJ 0.098 V/℃ Reference to 25℃ , ID=1mA 2
VGS(th) Temperature Coefficient △VGS(th) -4.57 mV/℃ 2
Forward Transconductance gfs 20 S VDS=5V , ID=2A 2
Output Capacitance Coss 46 pF VDS=15V , VGS=0V , f=1MHz 2
Reverse Transfer Capacitance Crss 26 pF VDS=15V , VGS=0V , f=1MHz 2
Reverse Recovery Time trr 27 nS IF=3A,dI/dt=100A/µs , TJ=25℃ 2
Reverse Recovery Charge Qrr 36 nC IF=3A,dI/dt=100A/µs , TJ=25℃ 2

CAD (KiCad official)

  • Symbol: WSE9968A
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: wse9968a-etched.step / wse9968a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wse9968a.step / wse9968a.glb are the bare package body.

Provenance

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

  • Datasheet: Winsok Semicon datasheet (5 pp, sha256 d627dbe3a180092b, retrieved 2026-10-22, 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