TT780N18KOFXPSA1

SCRs - Modules Overview

The TT780N18KOFXPSA1 is a phase control thyristor module from Infineon Technologies, utilizing pressure contact technology and Advanced Medium Power Technology (AMPT). It features an electrically insulated base plate with a 60mm footprint. Key electrical parameters include a repetitive peak forward off-state and reverse voltage of 1800V, a maximum RMS on-state current of 1050A, and an average on-state current of 775A at a case temperature of 85°C. The surge current rating is 23500A for 10ms at 25°C. The threshold voltage is 0.8V, slope resistance is 0.285mΩ, and the thermal resistance from junction to case is 0.045K/W per arm under DC conditions.

SCRs - Modules Feature Summary

• Pressure contact technology ensures high reliability and robust mechanical connection.
• Advanced Medium Power Technology (AMPT) optimizes performance characteristics.
• Electrically insulated base plate provides basic insulation compliant with Class 1 safety standards.

SCRs - Modules Applications

• Soft starters
• Rectifiers for drive applications
• Crowbar applications
• Power controllers
• Static switches

SCRs - Modules Procurement Notes

Verify the specific ordering suffix XPSA1 against official documentation to confirm exact configuration details. Confirm availability status directly with authorized distributors or the manufacturer, as supply constraints may apply. Ensure compliance with relevant industrial standards before finalizing procurement orders.

SCRs - Modules Selection Notes

Select this module for high-power phase control applications requiring reliable switching. Evaluate thermal management requirements based on the specified junction-to-case thermal resistance. Verify that gate trigger currents and voltages align with the driving circuit capabilities. Consider the critical rate of rise of on-state current limits during circuit design.

SCRs - Modules Part Context

This component belongs to the TT780N18KOF series of network thyristor modules designed for industrial power electronics. It shares the same core electrical specifications and mechanical housing as the standard TT780N18KOF variant, differing primarily in packaging or logistics identifiers indicated by the suffix.

SCRs - Modules Replacement Considerations

Direct replacements within the same family include the TD780N18KOF diode/thyristor combination module. Verify pinout compatibility and thermal interface requirements when substituting components in existing designs.

SCRs - Modules FAQ

What is the maximum allowable case temperature for operation?

The operating temperature range extends up to +135°C.

What is the critical rate of rise of on-state current?

The critical rate of rise of on-state current is 200 A/µs according to DIN IEC 747-6.

Does the module come with pre-applied thermal interface material?

Pre-applied thermal interface material is available as an optional feature.