D3900U45X172XPSA1

Scrs Overview

The D3900U45X172XPSA1 is a high-power semiconductor component manufactured by Infineon Technologies, classified under discrete semiconductors as a Silicon Controlled Rectifier (SCR). It belongs to the D3900 series of disc-type power devices. The component features a 4500 V repetitive peak reverse voltage rating and is designed for applications requiring robust current handling capabilities. It utilizes a disc package with a diameter of 172 mm and a height of 26 mm, incorporating ceramic insulation. The device is RoHS compliant and meets REACH standards.

Scrs Feature Summary

• High voltage blocking capability suitable for demanding power electronics environments
• Disc topology design facilitating efficient thermal management through direct mounting
• Ceramic insulated construction providing electrical isolation and mechanical stability

Scrs Applications

• High power thyristor and diode systems
• Industrial power conversion equipment
• HVDC transmission components

Scrs Procurement Notes

Verify the specific datasheet version and technical specifications directly from Infineon or authorized distributors before procurement. Confirm that the disc dimensions and clamping force requirements match the intended mechanical assembly. Ensure compliance with local import regulations and environmental directives such as RoHS and REACH. Check for any obsolescence notices or lifecycle status updates from the manufacturer.

Scrs Selection Notes

Select this component based on its 4500 V voltage rating and 172 mm disc form factor. Evaluate thermal resistance and cooling requirements against the application's heat dissipation needs. Consider the mechanical clamping pressure limits specified in the assembly instructions. Compare performance metrics with alternative high-power SCR models if system constraints require different current ratings or package sizes.

Scrs Part Context

This part is part of Infineon's high-power thyristor and diode portfolio, specifically the D3900 series. These components are engineered for extreme electrical stress conditions. The D3900U45X172XPSA1 variant represents a specific configuration within this family, distinguished by its voltage class and physical dimensions. It serves as a critical switching element in heavy-duty industrial and energy infrastructure applications.

Scrs Replacement Considerations

Consult official Infineon documentation for cross-reference data. Verify compatibility of pinout, voltage ratings, and thermal characteristics when substituting with other high-power SCRs. Ensure mechanical fitment matches the 172 mm disc specification.