View 2sc3770 datasheet:

Ordering number:EN2095A NPN Epitaxial Planar Silicon Transistor 2SC3770 UHF, VHF Oscillator Mixer, HF Amplifier Applications Applications Package Dimensions · UHF/VHF frequency converters, local oscillators, HF unit:mm amplifiers. 2018A [2SC3770] Features · High power gain : PG=15dB typ (f=0.4GHz). · High cutoff frequency : fT=1.2GHz typ. C : Collector B : Base E : Emitter SANYO : CP Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO 30 V Collector-to-Emitter Voltage VCEO 20 V Emitter-to-Base Voltage VEBO 3 V Collector Current IC 30 mA Base Current IB 10 mA Collector Dissipation PC 250 mW Junction Temperature Tj 150 ?C Storage Temperature Tstg –55 to +150 ?C Electrical Characteristic