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WSP4099

Public Made by Adom

by adom

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

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WSP4099

Winsok Semicon · MOSFETs · SOP-8

WSP4099 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; drain-source voltage rated -40 V, continuous drain current -6.5 A at VGS=-10V.
2 G1 input Gate of P-channel MOSFET 1; gate-source voltage rating ±20 V, threshold -1.5 to -2.5 V.
3 S2 passive Source of P-channel MOSFET 2; drain-source voltage rated -40 V, continuous drain current -6.5 A at VGS=-10V.
4 G2 input Gate of P-channel MOSFET 2; gate-source voltage rating ±20 V, threshold -1.5 to -2.5 V.
5 D2 passive Drain of P-channel MOSFET 2, tied internally with pin 6; pulsed drain current -22 A.
6 D2 passive Drain of P-channel MOSFET 2, tied internally with pin 5; pulsed drain current -22 A.
7 D1 passive Drain of P-channel MOSFET 1, tied internally with pin 8; pulsed drain current -22 A.
8 D1 passive Drain of P-channel MOSFET 1, tied internally with pin 7; pulsed drain current -22 A.

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, -VGS @ -10V (TC=25℃) ID@TC=25℃ -6.5 A -VGS @ -10V 1
Continuous Drain Current, -VGS @ -10V (TC=100℃) ID@TC=100℃ -4.5 A -VGS @ -10V 1
Pulsed Drain Current IDM -22 A 1
Single Pulse Avalanche Energy EAS 25 mJ 1
Avalanche Current IAS -10 A 1
Total Power Dissipation (TC=25℃) PD 2 W TC=25℃ 1
Storage Temperature Range TSTG -55 150 ℃ 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Thermal Resistance Junction-Ambient RθJA 110 ℃/W Surface mounted on 1 inch2 FR-4 board, 2OZ copper, t<10sec (note 1) 1
Thermal Resistance Junction-Case RθJC 50 ℃/W Surface mounted on 1 inch2 FR-4 board, 2OZ copper, t<10sec (note 1) 1
Drain-Source Breakdown Voltage BVDSS -40 V VGS=0V, ID=-250uA 2
Gate Threshold Voltage VGS(th) -1.5 -2 -2.5 V 2
Drain-Source Leakage Current (TJ=25℃) IDSS 1 uA VDS=-32V, VGS=0V, TJ=25℃ 2
Drain-Source Leakage Current (TJ=55℃) IDSS 5 uA VDS=-32V, VGS=0V, TJ=55℃ 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±20V, VDS=0V 2
Static Drain-Source On-Resistance (VGS=-10V) RDS(ON) 30 38 mΩ VGS=-10V, ID=-6.5A 2
Static Drain-Source On-Resistance (VGS=-4.5V) RDS(ON) 46 62 mΩ VGS=-4.5V, ID=-4.5A 2
Single Pulse Avalanche Energy (guaranteed) EAS 20 mJ VDD=-25V, L=0.5mH, IAS=-10A 2
Continuous Source Current IS -2 A 2
Pulsed Source Current ISM -22 A VG=VD=0V, Force Current 2
Diode Forward Voltage VSD -1 V VGS=0V, IS=-1A, TJ=25℃ 2

CAD (KiCad official)

  • Symbol: WSP4099
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: wsp4099-etched.step / wsp4099-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wsp4099.step / wsp4099.glb are the bare package body.

Provenance

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

  • Datasheet: Winsok Semicon datasheet (5 pp, sha256 064ab3b32cd9fe42, 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