BUK203-50X TOPFET high side switch is a power switch produced by Philips Semiconductors, which is based on MOSFET technology and has temperature and overload protection. It is packaged in a 5-pin plastic enclosure and configured as a single high side switch.
The Philips BUK203-50X is a PowerMOS transistor designed as a TOPFET high side switch. It is a monolithic temperature and overload protected power switch based on MOSFET technology, housed in a 5-pin plastic envelope configured as a single high side switch. The device is intended for use as a general controller for driving lamps, motors, solenoids, and heaters.
| Nominal load current | 1.6 A |
|---|---|
| Continuous off-state supply voltage | 50 V |
| Continuous load current | 4 A |
| Continuous junction temperature | 150 °C |
| On-state resistance | 220 mΩ |
| Package type | 5 pin plastic envelope |
The maximum continuous load current is 4 A.
The maximum continuous junction temperature is 150 °C.
Yes, it features overtemperature protection that self resets with hysteresis.