WSF4042 MOSFET Datasheet & Specifications
P-Channel
TO-252-4
Logic-Level
Winsok Semicon
Vds Max
40V
Id Max
20A
Rds(on)
21mΩ@10V
Vgs(th)
2.5V
Quick Reference
The WSF4042 is an P-Channel MOSFET in a TO-252-4 package, manufactured by Winsok Semicon. It supports a drain-source breakdown voltage of 40V and a continuous drain current of 20A. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | Winsok Semicon | Original Manufacturer |
| Package | TO-252-4 | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 40V | Max breakdown voltage |
| Continuous Drain Current (Id) | 20A | Max current handling |
| Power Dissipation (Pd) | 32.9W | Max thermal limit |
| On-Resistance (Rds(on)) | 21mΩ@10V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 2.5V | Voltage required to turn on |
| Gate Charge (Qg) | 7.5nC@10V | Switching energy |
| Input Capacitance (Ciss) | 815pF | Internal gate capacitance |
| Output Capacitance (Coss) | 98pF | Internal output capacitance |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent MOSFETs & Alternatives
| Part | Type | Package | Vds | Id | Rds(on) | Vgs(th) | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| WSF6012 | P-Channel | TO-252-4 | 60V | 20A;15A | 28mΩ@10V 46mΩ@10V |
2.5V | Winsok Semicon 📄 PDF |
| STC6301D | P-Channel | TO-252-4 | 60V | 23A;18A | 45mΩ@10V 60mΩ@10V 28mΩ@4.5V 65mΩ@4.5V |
1V | STANSON Tech. 📄 PDF |
| AGM628MD | P-Channel | TO-252-4 | 60V;60V | 30A;25A | 28mΩ@10V 41mΩ@-10V |
1.5V;1.7V | AGMSEMI 📄 PDF |