TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC4915 High Frequency Amplifier Applications FM, RF, MIX, If Amplifier Applications 2SC4915 Unit: mm Small reverse transfer capacitance: Cre = 0.55 pF (typ.) Low noise figure: NF = 2.3dB (typ.) Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature St.