View 2sd602 e datasheet:

Transistor 2SD602, 2SD602A Silicon NPN epitaxial planer type For general amplification Unit: mm Complementary to 2SB710 and 2SB710A +0.2 Features 2.8 –0.3 +0.25 0.65± 0.15 1.5 –0.05 0.65± 0.15 Low collector to emitter saturation voltage VCE(sat). Mini type package, allowing downsizing of the equipment and automatic insertion through the tape packing and the magazine 1 packing. 3 Absolute Maximum Ratings (Ta=25?C) 2 Parameter Symbol Ratings Unit Collector to 2SD602 30 VCBO V base voltage 2SD602A 60 0.1 to 0.3 0.4± 0.2 Collector to 2SD602 25 VCEO V emitter voltage 2SD602A 50 Emitter to base voltage VEBO 5 V 1:Base JEDEC:TO–236 Peak collector current ICP 1 A 2:Emitter EIAJ:SC–59 Collector current IC 500 mA 3:Collector Mini Type Package Collector power dissip