View 2sa1764 datasheet:

Ordering number:EN3180B PNP Epitaxial Planar Silicon Transistor 2SA1764 High-Speed Switching Applications Features Package Dimensions · Fast switching speed. unit:mm · Low collector saturation voltage. 2018A · High gain-bandwidth product. [2SA1764] · Small collector capacitacne. · Small-sized package permitting the 2SA1764-applied sets to be made small and slim. · Complementary pair with th 2SC4453. C : Collector B : Base E : Emitter SANYO : CP Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO –15 V Collector-to-Emitter Voltage VCEO –15 V Emitter-to-Base Voltage VEBO –5 V Collector Current IC –200 mA Collector Current (Pulse) ICP –500 mA Base Current IB –40 mA Collector Dissipation