DURF1040CT

Diode Arrays Overview

The Littelfuse DURF1040CT 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 5 A per leg (10 A total device). The component exhibits a low reverse recovery time of 45 ns, ensuring ultra-fast switching capabilities. Electrical characteristics include a maximum forward voltage drop of 1.3 V at 5 A and low reverse leakage current of 30 μA at 25°C. Designed for high-frequency power switching applications, it offers high surge current capability and low thermal resistance.

Diode Arrays Feature Summary

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

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 and packing options against the manufacturer's latest documentation before procurement. Confirm that the ITO-220AB package dimensions and mounting requirements align with the target PCB design. Ensure compliance with RoHS Pb e3 standards if lead-free interconnects are required for the assembly process.

Diode Arrays Selection Notes

Select this component for high-frequency power switching applications requiring fast recovery times and low conduction losses. The common cathode configuration simplifies circuit design for dual-leg applications. Evaluate the thermal management requirements based on the junction-to-case thermal resistance and ensure the operating temperature remains within the specified -55°C to +150°C range for reliable operation.

Diode Arrays Part Context

The DURF1040CT belongs to the Littelfuse DUR series of ultrafast recovery rectifiers. This series is engineered to meet commercial application requirements by providing low reverse recovery time, high-temperature stability, low leakage, and low forward voltage drop. These characteristics make the series suitable for efficient power conversion in demanding electronic environments.

Diode Arrays Replacement Considerations

Consult official Littelfuse documentation for verified substitute part numbers. Ensure any replacement maintains equivalent electrical ratings, package compatibility, and thermal performance characteristics.

Diode Arrays FAQ

What is the reverse recovery time of the DURF1040CT?

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

Is the DURF1040CT RoHS compliant?

Yes, the component is RoHS compliant with Pb e3 marking, indicating lead-free terminal finish material.

What is the maximum junction temperature for this device?

The maximum junction temperature (TJ) rating is +150°C.