2SC1667 Transistor
For use in high power audio amplifier applications and high voltage switching regulator circuits

2SC1627 Transistor
Complementary to 2SA817

2SC1583 Transistor
NPN Monolithic Transistor Pair

2SC1567 Transistor
For low-frequency high power driver
Complementary to 2SA0794, 2SA0794A

2SC1384 Transistor
For low-frequency power amplification and driver amplificationComplementary to 2SA683 and 2SA684