BUY RD2003 https://www.utsource.net/itm/p/1921140.html

The RD2003 is an NPN transistor produced by Sanyo Inc. It is a 4-pin TO220-style transistor package and is often used in high-power switching applications. Description: This NPN transistor features a maximum current of 7A and a maximum voltage of 45V. Features: -High-power switching application -4-pin TO220-style transistor package -Maximum current of 7A -Maximum voltage of 45V Applications: -Audio Amplifiers -Current Sense -Power Management -Motor Control (For reference only)