FFA15U40DNTU

Diode Arrays Overview

The FFA15U40DNTU is an ultrafast recovery power rectifier manufactured by onsemi, originally developed under Fairchild Semiconductor. It features a dual common cathode configuration housed in a TO-3P package for through-hole mounting. The device supports a peak repetitive reverse voltage of 400 V and an average forward current of 15 A at a case temperature of 100°C. Key electrical characteristics include a maximum instantaneous forward voltage of 1.4 V at 15 A and 25°C, with a non-repetitive peak surge current rating of 150 A.

Diode Arrays Feature Summary

• Ultrafast recovery performance with soft recovery characteristics to minimize switching losses
• Low forward voltage drop for improved efficiency in high-current applications
• Robust avalanche energy capability rated at 1.0 mJ

Diode Arrays Applications

• Power switching circuits
• Output rectifiers
• Freewheeling diodes
• Switching mode power supplies

Diode Arrays Procurement Notes

Verify the specific manufacturer origin, as the component was originally produced by Fairchild Semiconductor before its acquisition by onsemi. Confirm that the TO-3P package dimensions and pinout align with the design requirements. Ensure compliance with the life support policy restrictions if the application involves critical systems requiring surgical implantation or life-sustaining functions.

Diode Arrays Selection Notes

Select this component for designs requiring fast switching speeds and low conduction losses. The TO-3P package provides effective thermal management for high-power dissipation. Consider the 150 A surge current rating for transient protection needs. Evaluate the junction-to-case thermal resistance of 3.0 °C/W when designing heat sinking solutions for continuous operation.

Diode Arrays Part Context

This part belongs to the FFA series of ultrafast recovery power rectifiers. The 'DN' suffix typically denotes the TO-3P package style. The 'TU' suffix often indicates tube packaging, though verification against specific distributor data sheets is recommended. The device represents a transition period product between Fairchild Semiconductor and onsemi branding.

Diode Arrays Replacement Considerations

FFA15U40DN

Diode Arrays FAQ

What is the maximum reverse recovery time for this device?

The maximum reverse recovery time (trr) is 50 ns when tested at IF = 15A and di/dt = 200A/µs.

Is the device suitable for use in life support devices?

No, Fairchild Semiconductor products are not authorized for use as critical components in life support devices without express written approval.

What is the typical junction capacitance at zero bias?

The typical junction capacitance at 0V reverse bias is 668 pF.