BUY BGY588/04 https://www.utsource.net/itm/p/289771.html
CATV amplifier module
The BGY588/04 is a high-performance, low-power, high-voltage N-channel enhancement-mode MOSFET module from Philips. It is designed to provide high switching performance, low on-state resistance, and low gate charge. The module is suitable for use in a wide range of applications, including power switching, motor control, and lighting control. It features an integrated protection circuit that provides over-temperature, over-voltage, and over-current protection. The module is RoHS compliant and is available in a 4-pin TO-220 package. (For reference only)