19TQ015S

Overview

The Vishay 19TQ015S is a Schottky rectifier in a D2PAK package. It features an average forward current of 19 A and a maximum repetitive peak reverse voltage of 15 V. The device supports junction temperatures up to 125 °C and offers a typical forward voltage drop of 0.32 V at 75 °C. It includes a guard ring for enhanced ruggedness and is designed for high-frequency operation.

Feature Summary

• Optimized for ultra-low forward voltage drop specifically for OR-ing parallel power supplies
• Guard ring structure provides enhanced ruggedness and long-term reliability
• High purity, high temperature epoxy encapsulation ensures mechanical strength and moisture resistance

Applications

• Parallel switching power supplies
• Reverse battery protection
• Redundant power subsystems

Procurement Notes

Verify the specific ordering suffix (TRL or TRR) for tape and reel orientation requirements. Confirm lead-free status if PbF designation is required. Ensure thermal management aligns with the specified junction-to-case thermal resistance. Check for any recent process change notifications regarding the component revision.

Selection Notes

Select this component for applications requiring low forward voltage drop during parallel power supply OR-ing operations. Consider the D2PAK package for surface mount assembly. Evaluate thermal performance against the maximum junction temperature limit of 125 °C. Verify compatibility with high-frequency operation requirements.

Part Context

This part belongs to the Vishay High Power Products Schottky rectifier series. It utilizes proprietary barrier technology for reliable operation at elevated temperatures. The product line emphasizes high purity materials and robust encapsulation for demanding industrial environments.

Replacement Considerations

Check datasheet specifications for direct substitutes. Verify pinout compatibility and thermal characteristics. Ensure replacement parts meet the same voltage and current ratings.