View 2sc4483 datasheet:

Ordering number:EN3023 PNP/NPN Epitaxial Planar Silicon Transistor 2SA1703/2SC4483 Low-Frequency Amplifier, Electronic Governor Applications Features Package Dimensions · Low collector-to-emitter saturation voltage. unit:mm 2064 [2SA1703/2SC4483] E : Emitter C : Collector B : Base ( ) : 2SA1703 SANYO : NMP Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO (–)30 V Collector-to-Emitter Voltage VCEO (–)25 V Emitter-to-Base Voltage VEBO (–)5 V Collector Current IC (–)1.5 A Collector Current (Pulse) ICP (–)3 A Collector Dissipation PC 1 W Junction Temperature Tj 150 ?C Storage Temperature Tstg –55 to +150 ?C Electrical Characteristics at Ta = 25?C Ratings Parameter Symbol Conditions Unit min