FEATURE
◾ Built-in bias resistor (R1=4.7kΩ)
◾ Small package for easy mounting.
◾ High reverse hFE
◾ Small collector to emitter saturation voltage.
   VCE(sat)=10mV(TYP.)（@IC=10mA/IB=0.5mA）
◾ Low on Resistance
   Ron=0.80Ω(TYP.)（@VI=5V）

APPLICATION
   muting circuit , switching circuit