2SC4137 NPN TRANSISTOR.High frequency amplifier transistor.RF switching (6V, 50mA.

Transistor NPN 2SC4137.High frequency amplifier transistor.RF switching (6V, 50mA. NTE2504 Silicon NPN Transistor High Gain Audio Amplifier.Transistor NPN 25V 100mA 400MHz 45hFE 0.2 Watts TO-126.high gain devices used for temperature compensation.25V, 0.1A, 1W, TO-3PML