ACURB204-HF

Overview

The ACURB204-HF is a fast recovery rectifier manufactured by Comchip Technology, designed for surface-mount applications. It features a single diode configuration within the DO-214AA-2 package. The component supports a maximum repetitive peak reverse voltage of 200V and an average forward rectified current of 2A. Key electrical characteristics include a forward voltage of 1V at rated current, a reverse leakage current of 5uA, and a maximum surge current rating of 50A. The device operates reliably across a temperature range from -55°C to +150°C junction temperature.

Feature Summary

• Fast recovery performance suitable for high-frequency switching applications
• Surface-mount construction in a compact DO-214AA-2 package
• High thermal stability with a maximum operating junction temperature of 150°C

Applications

• General purpose rectification in power supply circuits
• Freewheeling diodes in DC-DC converters
• Reverse polarity protection in electronic systems

Procurement Notes

Verify the specific part number against official manufacturer documentation before procurement. Confirm that the required specifications align with the 200V reverse voltage and 2A current ratings. Ensure compliance with RoHS directives if applicable to your manufacturing process. Check for any specific automotive qualification requirements such as AEC-Q101 if intended for vehicle electronics.

Selection Notes

Select this component when a surface-mount fast recovery rectifier is required for low-voltage, medium-current applications. The DO-214AA-2 package offers space efficiency compared to through-hole alternatives. Consider the 200V voltage rating to ensure adequate margin above the circuit's peak inverse voltage. Evaluate the 50ns recovery time against the switching frequency requirements of the target design.

Part Context

This component belongs to the CURB series of fast recovery rectifiers from Comchip Technology. These devices are engineered to provide efficient rectification with reduced switching losses. The series utilizes silicon epitaxial planar technology to achieve robust performance. The ACURB204-HF variant specifically targets applications requiring reliable operation under standard industrial conditions.

Replacement Considerations

Consult official substitution guides for verified equivalents. Generic replacements may differ in recovery time or package dimensions. Verify pinout compatibility and thermal characteristics before integrating alternative components into existing designs.