TT425N18KOFXPSA1

SCRs - Modules Overview

The TT425N18KOFXPSA1 is a phase control thyristor module from Infineon Technologies, part of the Power Block series. It features a single SCR topology with an 1800 V blocking voltage and a continuous average forward current rating of 425 A at 85°C case temperature. The device utilizes a 60 mm screw-mount package designed for pressure contact technology. Key electrical parameters include a maximum repetitive peak reverse voltage of 1800 V, a gate trigger voltage of 0.9 V at maximum junction temperature, and a thermal resistance from junction to case of 0.065 K/W under sinusoidal conduction conditions.

SCRs - Modules Feature Summary

• Engineered for high-power phase control applications using robust pressure contact mounting techniques.
• Provides high short-circuit surge current capability to withstand transient overloads during operation.
• Optimized thermal performance through low junction-to-case thermal resistance for efficient heat dissipation.

SCRs - Modules Applications

• Industrial motor drives and frequency converters
• High-power DC power supplies and rectifiers
• Electrolysis and electroplating power systems

SCRs - Modules Procurement Notes

Verify the exact ordering suffix against official Infineon documentation to ensure correct configuration. Confirm RoHS compliance status and specific manufacturing lot details with authorized distributors prior to purchase. Check for end-of-life or not-recommended-for-new-designations in current product lifecycle notices.

SCRs - Modules Selection Notes

Select this module based on its 1800 V voltage rating and 425 A current capacity requirements. Ensure the cooling system can maintain the case temperature within specified limits to sustain the rated current. Verify that the mechanical mounting interface matches the 60 mm Power Block form factor and torque specifications.

SCRs - Modules Part Context

This component belongs to Infineon's Power Block family of high-power semiconductor modules. These modules are standardized for industrial applications requiring reliable phase control. The TT425N18KOFXPSA1 represents a specific variant within this lineup, distinguished by its current handling and voltage blocking capabilities.

SCRs - Modules Replacement Considerations

Consult official cross-reference guides for compatible alternatives. Consider modules with similar 1800 V ratings and comparable current capacities from the same manufacturer family. Verify pinout compatibility and thermal characteristics before substituting.