View 2sc4987 datasheet:

Ordering number:EN4723 NPN Epitaxial Planar Silicon Transistor 2SC4987 High-Speed Switching Applications Features Package Dimensions · Fast switching speed. unit:mm · Low collector saturation voltage. 2106A · High gain-bandwidth product. [2SC4987] · Small collector capacitance. 0.75 0.3 0.6 · Very small-sized package permitting 2SC4987- applied sets to be made small and slim. 0 to 0.1 0.2 0.1 0.5 0.5 1.6 1 : Base 2 : Emitter 3 : Collector SANYO : SMCP Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO 40 V Collector-to-Emitter Voltage VCES 40 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