View 2sd1459 datasheet:

Ordering number:EN1256C PNP/NPN Planar Silicon Transistors 2SB1037/2SD1459 Color TV Vertical Output, Sound Output Applications Features Package Dimensions · High allowable collector dissipation (PC=2W). unit:mm · Wide ASO. 2010C [2SB1037/2SD1459] JEDEC : TO-220AB 1 : Base ( ) : 2SB1037 EIAJ : SC-46 2 : Collector 3 : Emitter Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO (–)150 V Collector-to-Emitter Voltage VCEO (–)150 V Emitter-to-Base Voltage VEBO (–)5 V Collector Current IC (–)1.5 A Collector Current (Pulse) ICP (–)3 A Collector Dissipation PC 2.0 W Tc=25?C 30 W Junction Temperature Tj 175 ?C Storage Temperature Tstg –55 to +175 ?C Electrical Characteristics at Ta = 25?C Ratings