DD171N18KHPSA2

Diode Arrays Overview

The DD171N18KHPSA2 is a silicon rectifier diode module from Infineon’s Power Block series, designed for high-power applications. It features a 1800 V repetitive peak reverse voltage and supports an average forward current of 170 A at 100°C with sinusoidal cooling. The device utilizes 34 mm pressure contact technology for screw mounting. Key electrical parameters include a maximum forward voltage of 1.26 V at 500 A, a thermal resistance junction-to-case of 0.26 K/W, and a surge current capability of 5600 A. It operates within a junction temperature range up to 150°C.

Diode Arrays Feature Summary

• Utilizes 34 mm pressure contact technology for secure mechanical connection
• Designed for high surge current handling in power conversion circuits
• Features low thermal resistance for efficient heat dissipation
• Constructed using robust silicon bipolar semiconductor technology

Diode Arrays Applications

• Industrial motor drives and inverters
• High-power DC-DC converters
• Welding equipment power stages
• Uninterruptible power supply (UPS) systems

Diode Arrays Procurement Notes

Verify the specific suffix KHPSA2 against official Infineon documentation to confirm pinout and packaging details. Confirm RoHS compliance status through current datasheets as manufacturing processes may evolve. Check for active production status or obsolescence notices before finalizing procurement plans. Ensure compatibility with existing thermal management solutions given the module's power density.

Diode Arrays Selection Notes

Select this component when a single-phase rectifier requires 1800 V blocking capability and high current capacity. Compare thermal resistance values against system cooling constraints. Evaluate surge current ratings against potential fault conditions in the application circuit. Consider the 34 mm package dimensions for board layout and mechanical integration requirements.

Diode Arrays Part Context

This module belongs to the DD171N family of high-power diodes from Infineon Technologies. The series offers various voltage ratings including 1600 V and 1800 V options. These modules are part of the broader Power Block portfolio, which provides standardized solutions for industrial power electronics. The family shares common mechanical footprints and thermal characteristics for design flexibility.

Diode Arrays Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Infineon technical support for qualified alternatives that match the 1800 V rating and 34 mm package form factor.