View 2sc4726 datasheet:

2SC4726H / 2SC4726 / 2SC4083 / Transistors 2SC3838K / 2SC4043S High-Frequency Amplifier Transistor (11V, 50mA, 3.2GHz) 2SC4726H / 2SC4726 / 2SC4083 / 2SC3838K 2SC4043S External dimensions (Units : mm) Features 2SC4726H 1) High transition frequency. (Typ. fT= 1.5GHz) 1.6 0.85 (1) 2) Small rbb’?Cc and high gain. (Typ. 4ps) (2) (3) 3) Small NF. (1) Emitter ROHM : EMT3H (2) Base Absolute maximum ratings (Ta = 25°C) EIAJ : SC-89 (3) Collector Parameter Symbol Limits Unit 2SC4726 Collector-base voltage VCBO 20 V (1) Collector-emitter voltage VCEO 11 V (2) Emitter-base voltage VEBO 3 V (3) Collector current IC 50 mA 0.8 2SC4726H,2SC4726 0.15 Collector power 2SC4083,2SC3838K PC 0.2 W 1.6 dissipation 2SC4043S 0.3 ROHM : EMT3 (1) Emitter Junction temperature