onsemi

BDX33CG

BDX33CG Description

The BDX33CG from onsemi is a high-performance NPN Darlington transistor designed for demanding power applications. With a collector-emitter voltage (Vce) rating of 100V and a maximum collector current (Ic) of 10A, this device is engineered to deliver robust switching and amplification in high-power circuits. Its Darlington configuration ensures high current gain (hFE ≥ 750 @ 3A, 3V), making it ideal for driving heavy loads with minimal base current. The transistor is housed in a TO-220 package, offering excellent thermal performance and ease of mounting in through-hole designs.

BDX33CG Features

• High Voltage & Current Handling: Supports up to 100V Vce and 10A Ic, suitable for industrial and automotive applications.
• Low Saturation Voltage: 2.5V @ 6mA, 3A ensures efficient switching with reduced power loss.
• High DC Current Gain (hFE): 750 (min) @ 3A, 3V minimizes drive requirements, enhancing energy efficiency.
• Robust Power Dissipation: 70W max power rating ensures reliability under high-load conditions.
• Compliance & Durability: ROHS3 compliant, REACH unaffected, and MSL Not Applicable for broad environmental adaptability.
• Through-Hole Mounting: TO-220 package simplifies assembly and heat dissipation in power circuits.

BDX33CG Applications

The BDX33CG excels in applications requiring high-current switching and amplification, including:

• Power Supplies: Used in linear regulators and high-current drivers.
• Motor Control: Ideal for driving DC motors, solenoids, and relays in industrial systems.
• Automotive Electronics: Suitable for ignition systems, lighting controls, and power management.
• Audio Amplifiers: Provides high gain for robust audio output stages.
• Industrial Automation: Reliable performance in PLCs and heavy machinery controls.

Conclusion of BDX33CG

The BDX33CG stands out as a high-reliability Darlington transistor for power-intensive designs, combining high voltage tolerance, exceptional current gain, and low saturation losses. Its TO-220 packaging ensures thermal efficiency, while onsemi's quality assurance guarantees long-term durability. Whether in industrial, automotive, or consumer electronics, this transistor delivers superior performance, making it a preferred choice for engineers seeking efficiency and robustness in high-power applications.