81CNQ040ASL

Overview

The Vishay VS-81CNQ040ASL is a Schottky rectifier module featuring two 40 A elements in a common cathode configuration. It operates with a maximum repetitive peak reverse voltage of 40 V and supports junction temperatures up to 175 °C. The device utilizes the D-61-8-SL surface-mount package, providing low forward voltage drop and high frequency operation capabilities.

Feature Summary

• Center tap module optimized for low reverse leakage at elevated temperatures
• Proprietary barrier technology enabling reliable operation up to 175 °C junction temperature
• High purity epoxy encapsulation designed for enhanced mechanical strength and moisture resistance

Applications

• Switching power supplies
• Converters
• Freewheeling diodes
• Reverse battery protection

Procurement Notes

Verify the specific ordering suffix against the manufacturer's documentation to confirm the exact package style and lead-free status. Confirm that the component meets RoHS directive requirements for your intended application environment before finalizing procurement.

Selection Notes

Select this component when a dual-element common cathode configuration is required for high current applications. Ensure the thermal management design accommodates the specified thermal resistance values and allows for case temperatures within the operational limits defined in the datasheet.

Part Context

This part belongs to the VS-81CNQ...A PbF Series, which introduces a new generation 3 D-61 package. The series offers various voltage ratings from 35 V to 45 V, maintaining a consistent 2 x 40 A current rating across the lineup while utilizing different package variants like D-61-8-SM and D-61-8-SL.

Replacement Considerations

Direct replacements include other parts from the VS-81CNQ...A PbF Series with matching voltage ratings, such as VS-81CNQ035ASL or VS-81CNQ045ASL, provided the electrical characteristics align with the circuit requirements.