2SA1606, SANYO Japan, Silicon PNP Epitaxial Planar Transistor, 
Vcbo -180V, Ic -1.5A, 15W, 100MHz, 
Case type: TO-220F 

Marking: A1606 
BCE

Applications · High-voltage switching, AF power amplifier, 100W output predrivers. 
Complementary NPN 2SC4159