SR4040PTH

Diode Arrays Overview

The SR4040PTH is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, housed in a TO-247AD through-hole package. It features a dual anode common cathode configuration with a repetitive reverse voltage of 40V and an average forward current of 40A. The device utilizes guardring technology for overvoltage protection and offers high surge current capability. It is designed for low power loss and high efficiency applications, operating within a temperature range starting from -65°C.

Diode Arrays Feature Summary

• Dual anode common cathode Schottky rectifier configuration
• Guardring structure provides enhanced overvoltage protection
• High surge current capability for robust performance
• Low power loss design ensures high operational efficiency

Diode Arrays Applications

• General purpose rectification in power supplies
• Free-wheeling diodes in DC-DC converters
• Protection circuits requiring fast switching characteristics

Diode Arrays Procurement Notes

Verify the specific ordering suffix to ensure the correct packaging format, as standard variants may differ in tube or reel configurations. Confirm that the AEC-Q101 qualification status aligns with automotive or industrial reliability requirements if applicable. Cross-reference the datasheet revision date to ensure compatibility with current design specifications and regulatory standards.

Diode Arrays Selection Notes

Select this component when a high-current Schottky rectifier with common cathode topology is required. The TO-247AD package supports significant thermal dissipation for continuous 40A operation. Ensure the circuit's peak reverse voltage does not exceed the 40V rating. Consider the forward voltage drop characteristics for efficiency calculations in low-voltage, high-current systems.

Diode Arrays Part Context

This part belongs to the SR series of Schottky rectifiers from Taiwan Semiconductor, characterized by silicon carbide metal-silicon construction. The PTH suffix indicates a through-hole mounting style suitable for high-power applications. It shares functional similarities with other devices in the family but is distinguished by its specific 40V/40A rating and dual diode arrangement.

Diode Arrays Replacement Considerations

Direct substitutes include the SR4060PT, which offers a higher 60V reverse voltage rating while maintaining similar current and package specifications. Designers must verify that the increased voltage rating does not impact thermal management requirements or footprint compatibility during replacement.