2SC1923 TOSHIBA Transistor Silicon NPN Epitaxial Planar Type (PCT process) 2SC1923 High Frequency Amplifier Applications FM, RF, MIX, IF Amplifier Applications Unit: mm Small reverse transfer capacitance: Cre = 0.7 pF (typ.) Low noise figure: NF = 2.5dB (typ.) (f = 100 MHz) Maximum Ratings (Ta = 25°C) Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temper.