BUY RHRG5060 https://www.utsource.net/itm/p/11255110.html

Description: RHRG5060 is a high-voltage NPN power transistor manufactured by Fairchild Semiconductor. Features: -High voltage: VCEO = 600V -High current: IC = 5A -Low saturation voltage: VCE(sat) = 1.2V (max) -High switching speed -High gain Applications: -Switching regulators -DC-DC converters -Motor control -High voltage switching circuits (For reference only)