View 2sc5707 datasheet:

Ordering number : ENN6913 2SA2040/2SC5707 PNP / NPN Epitaxial Planar Silicon Transistors 2SA2040 / 2SC5707 High Current Switching Applications Applications Package Dimensions • DC-DC converter, relay drivers, lamp drivers, unit : mm motor drivers, strobes. 2045B [2SA2040 / 2SC5707] Features 6.5 2.3 5.0 0.5 • Adoption of FBET, MBIT process. 4 • Large current capacitance. • Low collector-to-emitter saturation voltage. • High-speed switching. • High allowable power dissipation. 0.85 0.7 1.2 0.6 0.5 1 : Base 1 2 3 2 : Collector 3 : Emitter 4 : Collector 2.3 2.3 SANYO : TP Package Dimensions unit : mm 2044B [2SA2040 / 2SC5707] 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 to 0.2 3 : Emitter 4 : Collector 2.3 2.3 SANYO : TP-FA