DURF1040CTR

Diode Arrays Overview

The Littelfuse DURF1040CTR is an ultrafast recovery rectifier featuring a common anode configuration housed in an electrically isolated ITO-220AB package. It provides dual 5A average forward current per leg and a total of 10A, with a peak inverse voltage rating of 400V. The device exhibits a low reverse recovery time of 45ns and a maximum forward voltage drop of 1.3V at 5A. It supports a junction temperature range from -55°C to +150°C and offers high surge current capability up to 80A.

Diode Arrays Feature Summary

• Ultra-fast switching characteristics with low reverse leakage current
• Common anode configuration within an electrically isolated ITO-220AB package
• Lead-free (Pb-free E3) construction with tin terminal finish

Diode Arrays Applications

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

Diode Arrays Procurement Notes

Verify the specific part number against official Littelfuse documentation to confirm active status and exact electrical parameters. Ensure the procurement specification matches the required common anode configuration and ITO-220AB package style. Confirm compliance with RoHS and Pb-free requirements if applicable to your assembly process. Cross-reference thermal resistance values for proper heatsinking design.

Diode Arrays Selection Notes

Select this component for high-frequency power switching applications requiring fast recovery times and low forward voltage drop. The common anode design simplifies circuit topology for dual-leg configurations. Evaluate the thermal management strategy based on the junction-to-case thermal resistance. Ensure the operating voltage does not exceed the 400V peak inverse rating under all transient conditions.

Diode Arrays Part Context

This component belongs to the Littelfuse DUR series of ultrafast recovery rectifiers, designed for commercial applications. The series emphasizes low Trr, high-temperature stability, and low leakage. The DURF1040CTR specifically utilizes the ITO-220AB case style, providing robust mechanical support and thermal performance for medium-power electronics.

Diode Arrays Replacement Considerations

Consult official Littelfuse substitution guides for verified equivalents. Ensure any replacement maintains the common anode configuration, 400V rating, and compatible package dimensions. Verify that the alternative device meets the same ultrafast recovery and thermal specifications.