STMicroelectronics MJE2955T

The MJE2955T is a high voltage NPN power transistor designed for general-purpose applications. It is noteworthy for its robustness and reliability, often used in audio amplification, power management, and switching applications. With a high voltage rating, it can handle substantial power levels, making it suitable for various electronic designs. Functions - Amplification: The transistor can amplify audio signals and is often used in audio amplifiers. - Switching: It can be used for switching applications where high current and voltage ratings are necessary. - Regulation: It can help maintain stable voltages in power supply circuits. Applications - Audio Amplifiers: Used in basic audio power amplifier circuits. - Power Supply Circuits: Acts as a switch or regulator in power supplies. - Motor Drivers: Can be employed in driving small motors. - Audio and Hi-Fi Equipment: Commonly found in equipment requiring high fidelity sound. Alternative Parts There are several alternative transistors with similar specifications, including: - 2N3055: A classic power transistor with comparable applications. - TIP31: Another NPN transistor that can substitute in low-power applications. - MJE2955: The complementary PNP transistor often used in complementary push-pull configurations with the MJE2955T. Embedded Modules Typically, the MJE2955T transistor may not be found directly in embedded modules since it is a discrete component. However, it can be incorporated into various power amplifier modules used in DIY electronics, audio amplifier kits, and similar development boards. Related Q&A 1. Q: What is the maximum collector-emitter voltage for the MJE2955T? A: The maximum collector-emitter voltage (V_ce) for the MJE2955T is typically 60V. 2. Q: Can the MJE2955T be used for high-frequency applications? A: The MJE2955T is not ideal for high-frequency applications, as it is designed primarily for power and audio frequency applications. 3. Q: What type of transistor is the MJE2955T? A: The MJE2955T is a high power NPN bipolar junction transistor. 4. Q: In what configurations can the MJE2955T be used? A: It is commonly used in common emitter configurations for amplification and as a switch in various circuits. 5. Q: What are the thermal characteristics of the MJE2955T? A: The MJE2955T has a maximum junction temperature rating of 150°C, and it should be adequately heat-sinked in applications to prevent thermal overload.