View 2sc5504 datasheet:

Ordering number:ENN6223 NPN Epitaxial Planar Silicon Transistor 2SC5504 UHF to S Band Low-Noise Amplifier Applications Features Package Dimensions · Low noise : NF=0.9dB typ (f=1GHz). unit:mm : NF=1.4dB typ (f=1.5GHz). 2161 2 · High gain : ? S21e? =11dB typ (f=1GHz). [2SC5504] · High cutoff frequency : fT=11GHz typ. · Low voltage, low current operation. 0.65 0.65 (VCE=1V, IC=1mA) 0.15 0.3 : fT=7GHz typ. 4 3 2 0 to 0.1 : ? S21e? =6dB typ (f=1.5GHz). 1 2 0.6 0.65 0.5 2.0 1 : Emitter 2 : Collector 3 : Emitter 4 : Base SANYO : MCP4 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