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WSP4077

Public Made by Adom

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Winsok Semicon MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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WSP4077

Winsok Semicon · MOSFETs · SOP-8

WSP4077 from Winsok Semicon, in a SOP-8. 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 S1 passive Source of P-channel MOSFET 1, with continuous source current rated up to -12 A.
2 G1 input Gate of P-channel MOSFET 1, with gate-source voltage limited to ±20 V and a threshold of -1.2 to -2.5 V.
3 S2 passive Source of P-channel MOSFET 2, with continuous source current rated up to -12 A.
4 G2 input Gate of P-channel MOSFET 2, with gate-source voltage limited to ±20 V and a threshold of -1.2 to -2.5 V.
5 D2 passive Drain of P-channel MOSFET 2, rated for -40 V drain-source voltage and -12 A continuous current at TA=25℃.
6 D2 passive Drain of P-channel MOSFET 2, rated for -40 V drain-source voltage and -12 A continuous current at TA=25℃.
7 D1 passive Drain of P-channel MOSFET 1, rated for -40 V drain-source voltage and -12 A continuous current at TA=25℃.
8 D1 passive Drain of P-channel MOSFET 1, rated for -40 V drain-source voltage and -12 A continuous current at TA=25℃.

Key specifications

Parameter Value
Manufacturer Winsok Semicon
Package SOP-8
Category Transistors/Thyristors
Pins 8

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 -40 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID@TA=25℃ -12 A VGS @ -10V 1
Continuous Drain Current ID@TA=70℃ -8.5 A VGS @ -10V 1
Pulsed Drain Current IDM -40 A 300µs pulse, VGS=-10V 1
Avalanche Energy, Single pulse EAS 50 mJ L=0.1mH 1
Avalanche Current, Single pulse IAS -30 A L=0.1mH 1
Total Power Dissipation PD@TA=25℃ 2 W 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Thermal Resistance Junction-Ambient RθJA 70 ℃/W 1
Drain-Source Breakdown Voltage BVDSS -40 V VGS=0V, ID=-250uA 2
Static Drain-Source On-Resistance RDS(ON) 19 26 mΩ VGS=-4.5V, ID=-5A 2
Gate Threshold Voltage VGS(th) -1.2 -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 -5 uA VDS=-32V, VGS=0V, TJ=55℃ 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±20V, VDS=0V 2
Continuous Source Current IS -12 A VG=VD=0V, Force Current 2
Pulsed Source Current ISM -40 A 2
Diode Forward Voltage VSD -1.1 V VGS=0V, IS=-1A, TJ=25℃ 2
BVDSS Temperature Coefficient △BVDSS/△TJ -0.018 V/℃ Reference to 25℃, ID=-1mA 2
VGS(th) Temperature Coefficient △VGS(th) 5.04 mV/℃ 2
Static Drain-Source On-Resistance RDS(ON) 15 mΩ VGS=-10V, ID=-10A 2
Forward Transconductance gfs 18 S VDS=-5V, ID=-10A 2
Total Gate Charge (-4.5V) Qg 28 nC VDS=-20V, VGS=-10V, ID=-10A 2
Gate-Source Charge Qgs 2.8 nC VDS=-20V, VGS=-10V, ID=-10A 2
Gate-Drain Charge Qgd 1.5 nC VDS=-20V, VGS=-10V, ID=-10A 2
Turn-On Delay Time Td(on) 20 ns VDD=-15V, VGS=-10V, RG=6Ω, ID=-1A 2
Rise Time Tr 13.5 ns VDD=-15V, VGS=-10V, RG=6Ω, ID=-1A 2
Turn-Off Delay Time Td(off) 26 ns VDD=-15V, VGS=-10V, RG=6Ω, ID=-1A 2
Fall Time Tf 14 ns VDD=-15V, VGS=-10V, RG=6Ω, ID=-1A 2
Input Capacitance Ciss 2700 pF VDS=-15V, VGS=0V, f=1MHz 2
Output Capacitance Coss 280 pF VDS=-15V, VGS=0V, f=1MHz 2
Reverse Transfer Capacitance Crss 150 pF VDS=-15V, VGS=0V, f=1MHz 2
Reverse Recovery Time trr 26 nS IF=-10A, dI/dt=100A/µs, TJ=25℃ 2
Reverse Recovery Charge Qrr 20 nC IF=-10A, dI/dt=100A/µs, TJ=25℃ 2

CAD (KiCad official)

  • Symbol: WSP4077
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: wsp4077-etched.step / wsp4077-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wsp4077.step / wsp4077.glb are the bare package body.

Provenance

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

  • Datasheet: Winsok Semicon datasheet (6 pp, sha256 85e83b58ac1dc52f, retrieved 2026-11-05, 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