DATASHEET <--- Can be Found Here

Description
The 2SC6145A is an NPN transistor of 260 V, 15 A.
The product has constant hFE characteristics in a wide
current range, providing high-quality audio sounds.

Features
● Complementary to 2SA2223A
● LAPT (Linear Amplifier Power Transistor)
● High Transition Frequency
● Bare Lead Frame: Pb-free (RoHS Compliant)
● VCEO----------------------------------------------------- 260 V
● IC----------------------------------------------------------- 15 A
● fT-------------------------------------------------------60 MHz
● PC --------------------------------------------------------160 W

Application
● Audio Power Amplifer