View 2sd1683 datasheet:

Ordering number:2063A PNP/NPN Epitaxial Planar Silicon Transistors 2SB1143/2SD1683 50V/4A Switching Applications Applications Package Dimensions · Voltage regulators, relay drivers, lamp drivers, unit:mm electrical equipment. 2042A [2SB1143/2SD1683] Features · Adoption of FBET, MBIT processes. · Low saturation voltage. · Large current capacity and wide ASO. B : Base C : Collector E : Emitter ( ) : 2SB1143 SANYO : TO-126ML 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 (–)4 A Collector Current (Pulse) ICP (–)6 A Collector Dissipation PC 1.5 W Tc=25?C 10 W ?C Junction Temperat