1 DataSheet 4 U .com www.DataSheet4U.com Composite Transistors PT — Ta 500 XN1215 Total power dissipation PT (mW) 400 300 200 100 0 0 40 80 120 160 Ambient temperature Ta (˚C) IC — VCE 160 100 VCE(sat) — IC Collector to emitter saturation voltage VCE(sat) (V) IC/IB=10 hFE — IC 400 VCE.