2SC603 Transistor
SI-N Dual Chopper 7V 0,05A 0,2W

2SC637 Transistor

2SC639 Transistor
SI-N VHF-L 40V 1A 6W

2SC641 Transistor
SI-N VHF-L 40V 1A 6W

2SC711 Transistor
MHz: 150 MHz; Amps: 0.05A; Volts: 30V