Features
1) High speed switching. (Tf : Typ. : 20ns at IC = 2A)
2) Low saturation voltage, typically
    (Typ. : 200mV at IC = 1.0A, IB = 0.1A)
3) Strong discharge power for inductive load and
    capacitance load.
4) Complements the 2SA2113
   
Applications
    Low frequency amplifier
    High speed switching