2SC2481 TOSHIBA Semiconductor, Silicon NPN Power Transistor, 
Vcbo 150V, Ic 1.5A, Tc 25°C 20W, 100MHz, 
Case type: TO-126, 

Marking: C2481, rank hFE 100..320
ECB

·High Current Capability
·High Collector Power Dissipation

Complementary PNP 2SA1021