onsemi

BDX33BG

BDX33BG Description

The BDX33BG from onsemi is a high-performance NPN Darlington transistor designed for demanding power applications. With a collector-emitter breakdown voltage (Vce) of 80V and a maximum collector current (Ic) of 10A, it delivers robust power handling in a compact TO-220 package. This device is optimized for high-current switching and amplification, featuring a low saturation voltage (2.5V @ 6mA, 3A) and an impressive DC current gain (hFE) of 750 @ 3A, 3V, ensuring efficient operation in high-load conditions. Its 70W power dissipation capability makes it suitable for industrial and automotive applications where reliability is critical.

BDX33BG Features

• High Current & Voltage Rating: 10A collector current and 80V breakdown voltage for robust performance.
• Low Saturation Voltage: 2.5V @ 6mA, 3A minimizes power loss in switching applications.
• High DC Current Gain (hFE): 750 @ 3A, 3V ensures strong signal amplification.
• Power Efficiency: 70W max power dissipation for sustained high-load operation.
• Durable Packaging: TO-220 through-hole mounting for secure thermal and mechanical stability.
• Compliance & Reliability: ROHS3 Compliant, REACH Unaffected, and EAR99 classification for global use.
• Low Leakage Current: Collector cutoff current of just 500µA enhances energy efficiency.

BDX33BG Applications

The BDX33BG excels in high-power switching and amplification scenarios, including:

• Motor Control: Ideal for driving DC motors in industrial automation and automotive systems.
• Power Supplies: Efficiently manages high-current loads in linear and switching regulators.
• Audio Amplifiers: Provides high gain and low distortion for high-fidelity audio stages.
• Relay & Solenoid Drivers: Ensures reliable switching in electromechanical systems.
• LED Drivers: Supports high-current LED arrays with stable performance.

Conclusion of BDX33BG

The BDX33BG stands out as a high-reliability Darlington transistor for power electronics, combining high current gain, low saturation voltage, and robust thermal performance. Its TO-220 package ensures easy integration, while its compliance with environmental standards makes it suitable for global markets. Whether used in motor control, power regulation, or amplification, this transistor delivers efficiency, durability, and precision, making it a top choice for engineers designing high-performance systems.