185NQ015

Overview

The 185NQ015 is a high-current Schottky rectifier module designed for ultra-low forward voltage drop applications. It features a maximum average forward current of 180 A and a peak repetitive reverse voltage of 15 V. The device supports a junction temperature range from -55 to 125 °C and offers a peak one-cycle non-repetitive surge current capability of 15,000 A. Electrical characteristics include a maximum forward voltage drop of 0.40 V at 180 A and a maximum reverse leakage current of 60 mA at 25 °C. The module utilizes a Half-Pak case style with a thermal resistance from junction to case of 0.30 °C/W.

Feature Summary

• Optimized for OR-ing parallel power supplies with ultra-low forward voltage drop
• Proprietary barrier technology enabling reliable operation up to 125 °C junction temperature
• Guard ring structure providing enhanced ruggedness and long-term reliability
• High purity, high-temperature epoxy encapsulation for mechanical strength and moisture resistance

Applications

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

Procurement Notes

Verify the specific datasheet revision (PD-2.279 rev. B) against the manufacturer's official documentation to ensure alignment with current specifications. Confirm that the Half-Pak mounting torque requirements are met during installation to maintain thermal performance and structural integrity. Ensure the operating environment remains within the specified junction temperature limits for optimal longevity.

Selection Notes

Select this component when designing systems requiring high current handling with minimal conduction loss. The low forward voltage drop makes it suitable for efficiency-critical parallel supply configurations. Verify that the system's thermal management can accommodate the specified thermal resistance values. Ensure the reverse voltage rating aligns with the circuit's peak working conditions.

Part Context

This component belongs to the Vishay General Semiconductor - Diodes Division portfolio of high-power Schottky rectifiers. It is engineered as a specialized module for demanding power electronics applications where high current density and thermal stability are critical. The Half-Pak packaging facilitates efficient heat dissipation and robust mechanical mounting in industrial and commercial power systems.

Replacement Considerations

Consult official replacement guides for verified substitutes. Cross-reference electrical parameters such as forward voltage, reverse voltage, and package dimensions before substitution.