TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC4843 2SC4843 VHF~UHF Band Low Noise Amplifier Applications Unit: mm Low noise figure, high gain. NF = 1.1dB, |S21e|2 = 15.5dB (f = 1 GHz) Maximum Ratings (Ta = 25°C) Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Base current Collector current Collector power dissipation Junction temperature Storage temperature range Symbol VCBO VCEO VEBO IB IC PC Tj Tstg Rating 20 10 1.5 20 40 100 .