View 2sc4401 datasheet:

Ordering number:EN2754 NPN Epitaxial Planar Silicon Transistor 2SC4401 VHF/UHF Mixer, Local Oscillator, Low-Voltage Amplifier Applications Applications Package Dimensions · VHF/UHF MIX/OSC, low-voltage high-frequency unit:mm amplifiers. 2059B [2SC4401] 0.3 Features 0.15 · Low-voltage operation 3 : fT=3.0GHz typ (VCE=3V) 0~0.1 : MAG=11dB typ (VCE=3V, IC=3mA) : NF=3.0dB typ (VCE=3V, IC=3mA) · Very small-sized package permitting 2SC4401- 1 2 applied sets to be made smaller and slimmer. 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 25 V Collector-to-Emitter Voltage VCEO 15 V Emitter-to-Base Voltage VEBO 3