View 2sc4705 datasheet:

Ordering number:EN3484 NPN Epitaxial Planar Silicon Transistor 2SC4705 Low-Frequency General-Purpose Amplifier, Applications (High hFE) Applications Package Dimensions · Low-frequency general-purpose amplifier, drivers, unit:mm muting circuits. 2038A [2SC4705] Features 4.5 1.5 1.6 · High DC current gain (hFE=800 to 3200). · Low collector-to-emitter saturation voltage : VCE(sat)? 0.5V max. · High VEBO : VEBO? 15V. · Small size making it easy to provide high-density, 0.4 0.5 hybrid ICs. 3 2 1 0.4 1.5 3.0 1 : Base 0.75 2 : Collector 3 : Emitter SANYO : PCP (Bottom view) Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO 60 V Collector-to-Emitter Voltage VCEO 50 V Emitter-to-Base