View 2sc1573 e datasheet:

Transistor 2SC1573, 2SC1573A, 2SC1573B Silicon NPN triple diffusion planer type For high breakdown voltage general amplification Unit: mm For small TV video output 5.9± 0.2 4.9± 0.2 Complementary to 2SC1573 and 2SA879 Features High collector to emitter voltage VCEO. High transition frequency fT. Absolute Maximum Ratings (Ta=25?C) 0.7± 0.1 Parameter Symbol Ratings Unit 2.54± 0.15 2SC1573 250 Collector to 2SC1573A VCBO 300 V base voltage 2SC1573B 400 2SC1573 200 Collector to +0.2 +0.2 0.45–0.1 0.45–0.1 2SC1573A VCEO 300 V 1.27 1.27 emitter voltage 2SC1573B 400 1:Emitter 2:Collector Emitter to base voltage VEBO 7 V 1 2 3 3:Base Peak collector current ICP 100 mA EIAJ:SC–51 TO–92L Package Collector current IC 70 mA Collector power dissipation PC 1 W Junctio