The 2SD1781KT146R is designed as one kind of medium power transistor (32V, 0.8A) that has three points of features:(1)Low VCE(sat). VCE(sat) = -0.1 V(Typ.) (IC / IB=0.5 A / 50mA); (2)High VCEO, VCEO=80V; (3)Complements the 2SB1197K. And the structure of this...