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The WSF4042 is a high-performance complementary N+P channel MOSFET designed for efficient power management and switching applications. Engineered to support voltages of -40V/40V and currents of 20A/-20A with a low typical resistance of 18mΩ, this device is housed in the robust TO-252-4L package.
| Part Number | Configuration | Type | VDS (V) | VGS ±(V) | ID (A) | RDS(ON)(mΩ) Max. / Typ. | RDS(ON)(mΩ) Max. / Typ. | Ciss (pF) | Package | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| @10V | @6V | @4.5V | @2.5V | @1.8V | |||||||||||||
| Min | Max | Typ | Max | Typ | Max | Typ | Max | Typ | Max | Typ | Max | Typ | |||||
| WSF4042 | N+P | N-Ch | 40 | 20 | 20 | 14 | 21 | - | - | 18 | 25 | - | - | - | - | 815 | TO-252-4L |
| P-Ch | -40 | 20 | -20 | 16 | 20 | - | - | 20 | 24 | - | - | - | - | 668 | |||
AOS AOD609, AOS AOD609G, POTENS PDD4701
The WSF4042 MOSFET operates at a voltage rating of -40V/40V and has a current rating of 20A/-20A.
It features a complementary N+P channel configuration, housing both an N-Channel and a P-Channel MOSFET in a single package.
The WSF4042 MOSFET is packaged in a standard, surface-mount TO-252-4L package, offering high thermal efficiency.
The typical resistance rating is 18mΩ. More specifically, for the N-Channel it is 14mΩ at 10V (typical), and for the P-Channel it is 16mΩ at 10V (typical).
This component is commonly used in motors, motor tools, large household appliances, wireless charging circuitry, and drones.
Industry alternatives and equivalents include the AOS AOD609, AOS AOD609G, and POTENS PDD4701.
