BUY 2SC680 https://www.utsource.net/itm/p/914834.html
POWER TRANSISTOR(6A,50W)
2SC680 is a NPN high-frequency amplifier transistor manufactured by RCA/MOT. It has a rated collector power dissipation of 200W, a high current gain of 60, and a minimum of 2000 (hfe) at IC = 0.2A. It is typically used for high-frequency amplification in audio frequency, radio frequency, and measurement applications. (For reference only)