2SC3855, MBR, SavantIC Electric, Silicon NPN Power Transistor, 
Vcbo 200V, Vceo 140V, Ic 10A, Tc 25°C 100W, 20MHz, 
Switching times: Fall time tf 0.40µs
Case type: TO-3P, MT-100,
Marking: C3855, BCE

Complementary PNP 2SA1491