SBR40U300CT

Diode Arrays Overview

The SBR40U300CT is a Super Barrier Rectifier diode manufactured by Diodes Incorporated, housed in a TO-220AB through-hole package. It features a dual anode common cathode configuration with a peak repetitive reverse voltage of 300V and an average rectified output current of 40A per device (20A per leg). The component exhibits a typical forward voltage drop of 0.78V at 20A and 125°C, alongside a maximum non-repetitive peak forward surge current of 235A. Operating junction temperatures range from -65°C to +175°C.

Diode Arrays Feature Summary

• Patented Super Barrier Rectifier technology providing ultra-low forward voltage drop and soft, fast switching capability.
• Excellent high temperature stability with an operating junction temperature rating up to +175°C.
• Low leakage current characteristics ensuring efficient performance under reverse bias conditions.

Diode Arrays Applications

• High-frequency power supply circuits requiring low conduction losses.
• DC-DC converters and synchronous rectification applications.
• Free-wheeling rectification in inductive load protection circuits.

Diode Arrays Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging details, as standard tubes contain 50 pieces. Ensure compliance with RoHS directives and confirm halogen-free status if required for environmental specifications. Cross-reference datasheet revision DS31199 Rev. 6-2 for accurate electrical parameters before finalizing procurement orders.

Diode Arrays Selection Notes

Select this component when designing circuits requiring high current handling with minimal forward voltage loss. The TO-220AB package facilitates effective thermal management via heatsinking. Consider the 20A per leg limitation for parallel configurations or derating requirements based on ambient temperature curves provided in the datasheet.

Diode Arrays Part Context

This part belongs to the SBR40 series of Super Barrier Rectifiers from Diodes Incorporated. It utilizes silicon technology to combine the low forward voltage of Schottky diodes with the robust reverse blocking capabilities of standard PN junctions. The series is designed for efficiency improvements in medium-to-high power conversion systems.

Diode Arrays Replacement Considerations

SBR40U300CT-G serves as a verified equivalent variant within the same product line, sharing identical electrical characteristics and mechanical dimensions while adhering to green manufacturing standards.

Diode Arrays FAQ

What is the thermal resistance of the SBR40U300CT?

The typical thermal resistance (RθJA) is 52°C/W per leg.

How does the forward voltage drop change with temperature?

The forward voltage drop decreases as temperature increases; it is typically 0.84V at 25°C and 0.78V at 125°C when tested at 20A.

Is the SBR40U300CT suitable for life support applications?

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