DURF2040CT

Diode Arrays Overview

The Littelfuse DURF2040CT is an ultrafast recovery rectifier featuring a common cathode configuration within an electrically isolated ITO-220AB package. It provides a peak inverse voltage of 400 V and supports an average forward current of 10 A per leg, totaling 20 A for the device. The component exhibits a reverse recovery time of 45 ns and low forward voltage drop characteristics. Designed for high-frequency switching applications, it offers high surge current capability with a peak one-cycle non-repetitive surge current rating of 125 A.

Diode Arrays Feature Summary

• Ultra-fast switching performance with low reverse leakage current
• Common cathode configuration in an electrically isolated ITO-220AB package
• Low forward voltage drop and high surge current capability

Diode Arrays Applications

• Output rectifiers in switch mode power supplies (SMPS) and DC to DC converters
• Free-wheeling diode or boost diode in converters and motor control circuits
• Anti-parallel diode for high frequency switching devices such as IGBT
• Uninterruptible Power Supplies (UPS)
• Inductive heating and melting equipment

Diode Arrays Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm terminal finish material and compliance status. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity. Confirm that the received components match the ITO-220AB case style and marking codes specified in the datasheet before integration into production lines.

Diode Arrays Selection Notes

Select this component for designs requiring fast recovery times and high thermal stability in compact packages. The common cathode arrangement simplifies circuit topology for dual-leg configurations. Evaluate the thermal resistance and junction temperature limits to ensure adequate heat dissipation in high-frequency switching environments where low forward voltage drop is critical for efficiency.

Diode Arrays Part Context

This device belongs to the Littelfuse DUR series of ultrafast recovery rectifiers, engineered for commercial applications demanding low reverse recovery time and high-temperature reliability. The series targets high-frequency power switching applications, offering a robust solution for output rectification and freewheeling duties in modern power electronics systems.

Diode Arrays Replacement Considerations

Consult official Littelfuse cross-reference guides for verified substitutes. Ensure replacement parts maintain identical voltage ratings, current capacities, and package dimensions to preserve circuit integrity and mechanical fit without redesign.

Diode Arrays FAQ

What is the maximum operating junction temperature for the DURF2040CT?

The maximum operating junction temperature is +150 °C.

Does the DURF2040CT package provide electrical isolation?

Yes, the device features an electrically isolated ITO-220AB package.

What is the typical reverse recovery time specified for this rectifier?

The typical reverse recovery time is 45 ns under specified test conditions.