View 2sc3778 datasheet:

Ordering number:EN1951B NPN Epitaxial Planar Silicon Transistor 2SC3778 UHF Low-Noise Amplifier, Wide-Band Amplifier Applications Applications Package Dimensions · UHF low-noise amplifiers, wide-band amplifiers. unit:mm 2004A Features [2SC3778] · Small noise figure : NF=2.2dB typ (f=0.9GHz). · High power gain : MAG=14dB typ (f=0.9GHz). · High cutoff frequency : fT=5.0GHz typ. C : Collector JEDEC : TO-92 E : Emitter EIAJ : SC-43 B : Base SANYO : NP 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 12 V Emitter-to-Base Voltage VEBO 3 V Collector Current IC 70 mA Base Current IB 30 mA Collector Dissipation PC 500 mW Junction Temperature Tj 150 ?C Stor