BUY MA166S https://www.utsource.net/itm/p/10061415.html

Description: MA166S is a NPN power transistor manufactured by Sanken. Features: - High collector-emitter voltage: VCEO = 600V - High collector current: IC = 10A - High power dissipation: PD = 100W - Low collector-emitter saturation voltage: VCE(sat) = 0.8V Applications: MA166S is suitable for use in applications such as switching power supplies, motor control, and high-power audio amplifiers. (For reference only)