View 2sc4931 datasheet:

Ordering number:EN5295A NPN Epitaxial Planar Silicon Transistor 2SC4931 VHF to UHF Wide-Band Low-Noise Amplifier Applications Features Package Dimensions · Low noise : NF=1.2dB typ (f=1GHz). unit:mm 2 · High gain : ? S21e? =13dB typ (f=1GHz). 2106A · High cutoff frequency : fT=9.0GHz typ. [2SC4931] · Very small-sized package permitting 2SC4931- 0.75 0.3 0.6 applied sets to be made small and slim. 0 to 0.1 0.2 0.1 0.5 0.5 1.6 1 : Base 2 : Emitter 3 : Collector SANYO : SMCP Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO 16 V Collector-to-Emitter Voltage VCEO 8 V Emitter-to-Base Voltage VEBO 1.5 V Collector Current IC 50 mA Collector Dissipation PC 100 mW Junction Temperature Tj