View 2sc5245 datasheet:

Ordering number:EN5184A NPN Epitaxial Planar Silicon Transistor 2SC5245 UHF to S-Band Low-Noise Amplifier, OSC Applications Features Package Dimensions · Low noise : NF=0.9dB typ (f=1GHz). unit:mm : NF=1.4dB typ (f=1.5GHz). 2059B 2 · High gain : ? S21e? =10dB typ (f=1.5GHz). [2SC5245] · High cutoff frequency : fT=11GHz typ. 0.3 · Low-voltage, low-current operation 0.15 3 (VCE=1V, IC=1mA) : fT=7GHz type. 0 to 0.1 2 : ? S21e? =5.5dB typ (f=1.5GHz). 1 2 0.3 0.6 0.65 0.65 0.9 2.0 1 : Base 2 : Emitter 3 : Collector SANYO : MCP Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO 20 V Collector-to-Emitter Voltage VCEO 10 V Emitter-to-Base Voltage VEBO 1.5 V Collector Current IC 30 mA