View 2sc4003 datasheet:

Ordering number:EN2959A NPN Triple Diffused Planar Silicon Transistor 2SC4003 High-Voltage Driver Applications Features Package Dimensions · High breakdown voltage. unit:mm · Adoption of MBIT process. 2045B · Excellent hFE linearity. [2SC4003] 1 : Base 2 : Collector 3 : Emitter 4 : Collector SANYO : TP unit:mm 2044B [2SC4003] 1 : Base 2 : Collector 3 : Emitter 4 : Collector SANYO : TP-FA Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative n