183NQ080

Overview

The Vishay 183NQ080 is a high-current Schottky rectifier module in the Half-Pak package. It features an average forward current of 180 A and a maximum DC reverse voltage of 80 V. The device supports junction temperatures from -55°C to 175°C with a thermal resistance of 0.30°C/W. Key electrical parameters include a peak surge current of 22,000 A (5µs), a maximum forward voltage drop of 0.95 V at 180 A, and a reverse leakage current of 4.5 mA at 25°C.

Feature Summary

• Optimized for low reverse leakage at elevated temperatures using proprietary barrier technology
• Half-Pak module design replaces three parallel DO-5 diodes for easier mounting and lower profile
• High purity epoxy encapsulation provides enhanced mechanical strength and moisture resistance
• Guard ring structure ensures ruggedness and long-term reliability

Applications

• Switching power supplies
• Converters
• Free-wheeling diodes
• Reverse battery protection

Procurement Notes

Verify the specific suffix designation against the manufacturer's documentation to confirm exact voltage rating and terminal configuration. Confirm that the procurement channel provides original manufacturer packaging to ensure component integrity. Check for any recent process change notifications or obsolescence notices associated with this part number before finalizing orders.

Selection Notes

Select this component for applications requiring high current handling and operation up to 175°C junction temperature. Ensure the heatsinking solution maintains the case temperature within limits defined by the derating curves. Verify that the system voltage does not exceed the 80 V reverse voltage rating under all operating conditions.

Part Context

This component belongs to the 183NQ series of high-current Schottky rectifiers manufactured by Vishay General Semiconductor - Diodes Division. The series utilizes unique barrier technology to achieve superior performance compared to standard silicon rectifiers. The Half-Pak package is designed to replace multiple discrete components in high-power industrial applications.

Replacement Considerations

The datasheet indicates this module replaces three parallel DO-5 diodes.