FFP20U60DNTU

Diode Arrays Overview

The FFP20U60DNTU is a dual common cathode ultrafast recovery power rectifier manufactured by onsemi. It features a 600 V peak repetitive reverse voltage and supports an average forward current of 20 A at a case temperature of 100°C. The device utilizes a TO-220 package with a junction-to-case thermal resistance of 1.25 °C/W. Key electrical characteristics include a maximum reverse recovery time of 90 ns, a maximum instantaneous forward voltage of 2.2 V at 20 A, and a non-repetitive peak surge current rating of 120 A.

Diode Arrays Feature Summary

• Ultrafast recovery performance for high-speed switching applications
• Low forward voltage drop to minimize conduction losses
• High reliability construction suitable for demanding environments

Diode Arrays Applications

• Switching mode power supplies
• Free-wheeling diodes for motor applications
• General purpose power switching circuits

Diode Arrays Procurement Notes

Verify the specific manufacturer origin as the part was originally developed by Fairchild Semiconductor before its acquisition by onsemi. Confirm that the component status aligns with your supply chain requirements, as datasheets indicate this product may be obsolete or discontinued depending on the production lot. Ensure compatibility with existing PCB footprints and thermal management designs specified in the original documentation.

Diode Arrays Selection Notes

Select this component when designing circuits requiring fast reverse recovery times and low forward voltage drops. The TO-220 package facilitates through-hole mounting and effective heat dissipation via the case. Consider the 600 V blocking capability and 20 A continuous current rating to ensure adequate headroom for the intended load conditions and operating temperatures.

Diode Arrays Part Context

This device belongs to the FFP series of ultrafast recovery rectifiers designed for high-efficiency power conversion. Originally released by Fairchild Semiconductor, it represents a standard solution for general-purpose rectification where speed and reliability are prioritized. The dual common cathode configuration allows for use in bridge rectifier topologies or synchronous rectification schemes.

Diode Arrays Replacement Considerations

Direct substitutes within the same family include the FFP30U60DNTU for higher current capacity and the FFP10U60DNTU for lower current requirements. Verify pinout compatibility and thermal resistance specifications when transitioning between different current ratings in the same package style.

Diode Arrays FAQ

What is the maximum reverse recovery time for this rectifier?

The maximum reverse recovery time (trr) is 90 ns under test conditions of IF = 20A and di/dt = 200A/µs.

How does the forward voltage change with temperature?

The maximum instantaneous forward voltage decreases from 2.2 V at 25°C to 2.0 V at 100°C case temperature when conducting 20 A.

Is this device rated for avalanche energy?

Yes, the datasheet specifies a maximum avalanche energy rating of 1.0 mJ per diode.