Type: NPN (Negative-Positive-Negative) – This indicates the arrangement of semiconductor layers within the transistor. In an NPN transistor, a layer of P-type semiconductor is sandwiched between two layers of N-type semiconductor.
Polarity: The 2N3055 is primarily used for amplification of audio signals. In an NPN transistor, when a small current flows into the base (B), a larger current flows between the collector (C) and emitter (E). The direction of current flow is from the collector to the emitter.
Applications: The 2N3055 is well-suited for driving speakers in audio amplifier circuits due to its ability to handle relatively high power levels.
Temperature Range: Operates within a specified temperature range, and its characteristics may vary with temperature.
Complementary PNP Transistor: The 2N3055 is often used in conjunction with its complementary PNP transistor, such as the MJ2955, in push-pull configurations for audio amplifier designs.