View 2sd2500 datasheet:

2SD2500 TOSHIBA TRANSISTOR SILICON NPN TRIPLE DIFFUSED MESA TYPE 2SD2500 HORIZONTAL DEFLECTION OUTPUT COLOR TV Unit: mm High Voltage : VCBO = 1500 V Low Saturation Voltage : V = 3 V (Max.) CE (sat) High Speed : t = 0.35µs (Typ.) f Collector Metal (Fin) is Fully Covered with Mold Resin. MAXIMUM RATINGS (Tc = 25°C) CHARACTERISTIC SYMBOL RATING UNIT Collector-Base Voltage VCBO 1500 V Collector-Emitter Voltage VCEO 600 V Emitter-Base Voltage VEBO 5 V DC IC 10 Collector Current A Pulse ICP 20 Base-Current IB 5 A Collector Power Dissipation PC 50 W Junction Temperature Tj 150 °C JEDEC ? Storage Temperature Range Tstg -55~150 °C JEITA ? TOSHIBA 2-16E3A ELECTRICAL CHARACTERISTICS (Tc = 25°C) Weight: 5.5 g (typ.) CHARACTERISTIC SYMBOL TEST CONDITI