BU406 NPN Bipolar Power Transistor 200V 7A TO-220 Package

BU406 NPN Bipolar Power Transistor 200V 7A TO-220 Package

The BU406 is a high-current NPN bipolar power transistor designed for medium-to-high power switching and amplification applications. With a collector-emitter voltage of 200V and a collector current of 7A, it offers robust performance, high gain, and excellent thermal stability.

Housed in a TO-220 package, the BU406 provides efficient heat dissipation, making it ideal for power amplifiers, motor drivers, voltage regulators, and industrial switching circuits. Its high current handling capability and reliable operation make it suitable for both professional and hobbyist electronic applications.

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Features:

• Transistor Type: NPN Bipolar Power Transistor
• Package: TO-220 (efficient heat dissipation and compact design)
• Collector-Emitter Voltage (V_CE): 200V
• Collector Current (I_C): 7A
• Power Dissipation (P_tot): Up to 100W (with proper heatsink)
• DC Current Gain (hFE): 20–70 (typical)
• High Thermal Stability: Reliable under heavy load conditions
• Rugged and Durable: Long-term stable operation in power circuits
• Fast Switching Capabilities: Suitable for medium-to-high frequency applications

Applications:

• Audio Power Amplifiers: Driver and output stages requiring high current
• Motor Drivers: Drives DC motors, solenoids, and actuators efficiently
• Voltage Regulators & Power Supplies: Stable and reliable medium-to-high current regulation
• Industrial Switching Circuits: Heavy-duty power control and load switching
• Relay & Solenoid Drivers: High-current switching applications
• Educational & Hobby Projects: Suitable for prototyping power circuits
• General Bipolar Amplification: Medium-to-high power signal amplification

bu406-transistor-datasheet