View 2sc4523 datasheet:

Ordering number:EN3142A NPN Epitaxial Planar Silicon Transistors 2SC4523 High-Speed Switching Applications Features Package Dimensions · Adoption of FBET, MBIT process. unit:mm · Large current capacity. 2045B · Low collector-to-emitter saturation voltage. [2SC4522] · Fast switching speed. 6.5 2.3 5.0 0.5 4 0.85 0.7 1.2 1 : Base 0.6 0.5 2 : Collector 3 : Emitter 1 2 3 4 : Collector 2.3 2.3 SANYO : TP unit:mm 2044B [2SC4522] 6.5 2.3 5.0 0.5 4 0.5 0.85 1 2 3 1 : Base 0.6 1.2 2 : Collector 0~0.2 3 : Emitter 4 : Collector 2.3 2.3 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’