Transistors Medium Power Transistor (32V, 1A) 2SD1664 / 2SD1858 Features 1) Low VCE(sat), VCE(sat) = 0.15V (typical). (IC / IB = 500mA / 50mA) 2) Complements the 2SB1132 / 2SB1237. External dimensions (Units: mm) Structure Epitaxial planar type NPN silicon transistor Absolute maximum ratings (Ta = 25C) (96-207-D12) 249 Transistors Electrical characteristics (Ta = 25C) Packaging specifications and hFE hFE values are classified as follows : Electrical characteristic curves 250 2SD1664 / 2SD1858 Transistors 2SD1664 / 2SD1858 251