onsemi

BU406G

BU406G Description

The BU406G from onsemi is a high-performance NPN bipolar junction transistor (BJT) designed for demanding power-switching and amplification applications. With a collector-emitter breakdown voltage (V_CEO) of 200V and a maximum collector current (I_C) of 7A, this transistor is engineered for robustness and efficiency. Packaged in a TO-220 through-hole mount, it offers excellent thermal dissipation, supporting a maximum power rating of 60W. The device features a transition frequency (f_T) of 10MHz, making it suitable for medium-speed switching applications. Its low collector-emitter saturation voltage (V_CE(sat)) of 1V at 5A ensures minimal power loss, enhancing energy efficiency.

BU406G Features

• High Voltage & Current Handling: 200V V_CEO and 7A I_C for power applications.
• Low Saturation Voltage: 1V @ 5A reduces conduction losses.
• Fast Switching: 10MHz transition frequency for efficient performance.
• Thermally Efficient: TO-220 package with 60W power dissipation capability.
• Reliable Compliance: ROHS3 Compliant, REACH Unaffected, and EAR99 for global use.
• Low Leakage Current: Collector cutoff current of just 5mA ensures minimal standby losses.

BU406G Applications

The BU406G excels in high-voltage switching, power regulation, and amplification circuits, including:

• Switching Power Supplies: Efficiently handles high-voltage DC-DC conversion.
• Motor Control: Drives inductive loads in industrial and automotive systems.
• Audio Amplifiers: Delivers clean power amplification in high-fidelity systems.
• CRT Deflection Circuits: Used in display systems for precise electron beam control.
• Industrial Automation: Ideal for relay drivers and solenoid control due to its rugged design.

Conclusion of BU406G

The BU406G stands out as a high-reliability, high-power NPN transistor with superior voltage and current handling capabilities. Its low saturation voltage, fast switching, and robust thermal performance make it a preferred choice for engineers designing power electronics. Whether in industrial, automotive, or consumer applications, this transistor ensures efficiency, durability, and compliance with global standards. For designers seeking a cost-effective yet high-performance solution, the BU406G is an excellent fit.