The2N3055is a silicon Epitaxial-Base Planar NPN transistor mounted in Jedec TO-3 metal case. It is intended for power switching circuits, series and shunt regulators, output stages and high fidelity amplifiers.
The complementary PNP type is MJ2955.
2N3055 Features
2N3055 Applications
•General purpose
•Audio Amplifier
IF you want know more about 2N3055 please download 2N3055 datasheet pdf.