onsemi

MJ4502G

MJ4502G Description

The MJ4502G from onsemi is a high-power PNP bipolar junction transistor (BJT) designed for demanding industrial and automotive applications. With a collector-emitter voltage (V_CE) rating of 100V and a maximum collector current (I_C) of 30A, this transistor delivers robust performance in high-current switching and amplification circuits. Its low V_CE(sat) of 800mV @ 750mA, 7.5A ensures efficient power handling, minimizing energy loss. Packaged in a TO-204 (TO-3) metal casing, the MJ4502G offers excellent thermal dissipation, supporting a maximum power dissipation of 200W.

MJ4502G Features

• High Current Capacity: 30A continuous collector current for heavy-load applications.
• Low Saturation Voltage: 800mV @ 7.5A reduces power dissipation and improves efficiency.
• High Power Handling: 200W max power dissipation with TO-204 package for superior heat management.
• DC Current Gain (h_FE): Minimum 25 @ 7.5A, 2V ensures stable amplification.
• Robust Construction: Through-hole mounting and rugged TO-204 package enhance durability.
• Compliance: ROHS3, REACH Unaffected, and EAR99 certified for global use.

MJ4502G Applications

The MJ4502G excels in high-power circuits, including:

• Motor Drivers: Ideal for controlling DC motors in industrial machinery and automotive systems.
• Power Supplies: Efficiently manages high-current regulation in linear and switching PSUs.
• Audio Amplifiers: Suitable for high-fidelity audio output stages due to low distortion.
• Inverters & Converters: Reliable performance in energy conversion systems.
• Automotive Electronics: Withstands harsh environments in ignition systems and load drivers.

Conclusion of MJ4502G

The onsemi MJ4502G is a high-reliability PNP transistor optimized for high-current, high-voltage applications. Its low saturation voltage, high power dissipation, and rugged packaging make it a superior choice over generic transistors in demanding environments. Whether for industrial automation, power management, or automotive systems, the MJ4502G delivers efficiency, durability, and compliance with global standards. Engineers seeking a cost-effective, high-performance PNP transistor will find this model an excellent fit for robust electronic designs.