onsemi

MJL4281AG

MJL4281AG Description

The MJL4281AG from onsemi is a high-performance NPN bipolar junction transistor (BJT) designed for demanding power applications. With a collector-emitter breakdown voltage (V_CE) of 350V and a maximum collector current (I_C) of 15A, this transistor is engineered for high-power switching and amplification. Its 230W maximum power dissipation and low V_CE(sat) of 1V @ 800mA, 8A ensure efficient operation with minimal energy loss. The device is housed in a TO-264 package, providing robust thermal performance for through-hole mounting.

MJL4281AG Features

• High Voltage & Current Handling: 350V V_CE and 15A I_C make it suitable for high-power circuits.
• Low Saturation Voltage: 1V @ 8A ensures reduced power dissipation in switching applications.
• High DC Current Gain (h_FE): Minimum 80 @ 5A, 5V for reliable amplification.
• Robust Thermal Performance: 230W power rating with TO-264 package for effective heat dissipation.
• Reliable Compliance: ROHS3 Compliant, REACH Unaffected, and EAR99 classification for global use.
• Wide Operating Frequency: Transition frequency of 35MHz supports medium-speed switching.

MJL4281AG Applications

The MJL4281AG excels in:

• Audio Amplifiers: High voltage and current capabilities make it ideal for high-fidelity audio output stages.
• Power Supplies: Efficient switching performance suits linear and switched-mode power supplies.
• Motor Control: Robust current handling enables use in motor drivers and inverters.
• Industrial Equipment: Reliable operation in high-power industrial automation systems.
• RF & High-Frequency Circuits: 35MHz transition frequency supports RF amplification in select applications.

Conclusion of MJL4281AG

The MJL4281AG stands out as a high-voltage, high-current NPN transistor with superior efficiency and thermal performance. Its low saturation voltage, high gain, and robust packaging make it a preferred choice for power amplification, switching, and industrial applications. Compliant with global environmental standards, it offers reliability for both commercial and industrial designs. Engineers seeking a high-power BJT with balanced performance will find the MJL4281AG an optimal solution.