View 2sc5538 datasheet:

Ordering number:ENN6291 NPN Epitaxial Planar Silicon Transistor 2SC5538 VHF to UHF OSC, High-Frequency Amplifier Applications Features Package Dimensions 2 · High gain : ? S21e? =10.5dB typ (f=1GHz). unit:mm · High cutoff frequency : fT=5.2GHz typ. 2159 · Ultrasmall, slim flat-lead package. [2SC5538] (1.4mm? 0.8mm? 0.6mm) 1.4 0.1 0.25 3 1 2 0.45 0.2 1 : Base 2 : Emitter 3 : Collector SANYO : SSFP 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 2 V Collector Current IC 100 mA Collector Dissipation PC 100 mW Junction Temperature Tj 150 ?C Storage Temperature Tstg –55 to +150 ?C Electrical Characteristics a