BUY 2SD2139 https://www.utsource.net/itm/p/1453374.html
Silicon NPN triple diffusion planar typeFor high-current amplification ratio, power amplification
Description: 2SD2139 is a NPN silicon power transistor manufactured by Panasonic. Features: Collector-Emitter Voltage: VCEO = -60V Collector-Base Voltage: VCBO = -80V Emitter-Base Voltage: VEBO = -5V Collector Current: IC = -3A Collector Dissipation: PC = -25W Transition Frequency: fT = -100MHz Applications: 2SD2139 is suitable for use in audio power amplifier, switching power supply, and other power control applications. (For reference only)