2SC4666 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) 2SC4666 Audio Frequency Amplifier Applications Switching Applications High hFE: hFE = 600~3600 High voltage: VCEO = 50 V High collector current: IC = 150 mA (max) Small package Unit: mm Absolute Maximum Ratings (Ta = 25°C) Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature.