DURF1030CT

Diode Arrays Overview

The Littelfuse DURF1030CT is an ultrafast recovery rectifier featuring a common cathode configuration within an electrically isolated ITO-220AB package. It provides a peak inverse voltage of 300V and supports an average forward current of 5A per leg, totaling 10A for the device. The component exhibits a maximum reverse recovery time of 45ns and a typical junction-to-case thermal resistance of 3.5°C/W. Operating temperatures range from -55°C to +150°C.

Diode Arrays Feature Summary

• Ultra-fast switching with low reverse leakage current
• Common cathode configuration in an electrically isolated ITO-220AB package
• High surge current capability and low forward voltage drop
• Lead-free E3 terminal finish compliant with IPC/JEDEC J-STD-609A.01

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 ordering suffix against the manufacturer's official documentation to confirm the exact packing mode and quantity. Ensure the component meets the required RoHS Pb e3 compliance standards for lead-free assembly processes. Cross-reference the marking code LF xxxxx with the production year and week codes to validate authenticity and traceability before procurement.

Diode Arrays Selection Notes

Select this component for high-frequency power switching applications requiring low reverse recovery time and low forward voltage drop. The ITO-220AB package offers electrical isolation suitable for heatsink mounting. Consider the 3.5°C/W thermal resistance for heat dissipation calculations in continuous DC operation. Ensure the circuit design accommodates the 80A non-repetitive surge current rating.

Diode Arrays Part Context

This part 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 characteristics. The numbering system indicates the device type, package style, forward current rating, reverse voltage rating, and configuration.

Diode Arrays Replacement Considerations

Public confirmed substitute part numbers are not available in the provided datasheet.

Diode Arrays FAQ

What is the maximum reverse recovery time for the DURF1030CT?

The maximum reverse recovery time is 45ns under conditions of IF=500mA, IR=1A, and Irm=250mA.

How is the average forward current rated for this dual diode?

The average forward current is rated at 5A per leg, resulting in a total device rating of 10A at a case temperature of 112°C with a rectangular waveform.

What does the 'CT' suffix indicate in the part number?

The 'CT' suffix indicates that the device features a Common Cathode configuration.