View 2sd1668 datasheet:

Ordering number:2094B PNP/NPN Epitaxial Planar Silicon Transistors 2SB1135/2SD1668 50V/7A Switching Applications Applications Package Dimensions · Relay drivers, high-speed inverters, converters, and unit:mm other general high-current switching applications. 2041A [2SB1135/2SD1668] Features · Low-saturation collector-to-emitter voltage : VCE(sat)=–0.4V max. · Wide ASO leading to high resistance to breakdown. · Micaless package facilitating mounting. 1 : Base 2 : Collector 3 : Emitter ( ) : 2SB1135 SANYO : TO-220ML Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO (–)60 V Collector-to-Emitter Voltage VCEO (–)50 V Emitter-to-Base Voltage VEBO (–)6 V Collector Current IC (–)7 A Collector