onsemi

MJ802G

MJ802G Description

The MJ802G from onsemi is a high-power NPN bipolar junction transistor (BJT) designed for demanding industrial and commercial applications. With a collector-emitter breakdown voltage (Vce) of 90V and a maximum collector current (Ic) of 30A, it delivers robust performance in high-current switching and amplification circuits. The transistor features a low Vce saturation voltage of 800mV @ 750mA, 7.5A, ensuring efficient power handling with minimal losses. Packaged in a TO-204 (TO-3) metal casing, the MJ802G is optimized for through-hole mounting, providing excellent thermal dissipation for high-power applications.

MJ802G Features

• High Power Handling: 200W maximum power dissipation for heavy-duty applications.
• Low Saturation Voltage: 800mV @ 7.5A reduces power loss and improves efficiency.
• High Current Gain (hFE): Minimum 25 @ 7.5A, 2V, ensuring reliable amplification.
• Robust Construction: TO-204 package enhances heat dissipation and mechanical durability.
• Compliance: ROHS3 compliant, REACH unaffected, and EAR99 classification for global usability.
• Wide Operating Frequency: 2MHz transition frequency suitable for switching applications.

MJ802G Applications

The MJ802G excels in high-power environments, including:

• Power Supplies: Linear and switching regulators requiring high current handling.
• Motor Control: Driver circuits for industrial motors and actuators.
• Audio Amplifiers: High-fidelity audio systems demanding low distortion.
• Industrial Automation: Relay drivers, solenoid controls, and high-current switching.
• Inverters & Converters: Energy conversion systems needing reliable power transistors.

Conclusion of MJ802G

The MJ802G stands out as a high-performance NPN transistor for power electronics, combining high current capability, low saturation voltage, and excellent thermal management. Its TO-204 package and compliance with environmental standards make it ideal for rugged, high-reliability applications. Whether in motor drives, power supplies, or amplification systems, the MJ802G delivers durability, efficiency, and consistent performance, making it a preferred choice for engineers in the electronics industry.