STT1900N16P55XPSA1

SCRs - Modules Overview

The STT1900N16P55XPSA1 is a soft starter module utilizing pressure contact technology and Advanced Medium Power Technology (AMPT). It features an integrated optimized heatsink for high reliability. Key electrical parameters include a repetitive peak forward off-state and reverse voltage of 1600 V, an overload current of 1900 A at 21 seconds, and a surge current rating of 17000 A. The on-state threshold voltage is 0.9 V with a slope resistance of 0.28 mΩ. Thermal characteristics specify a maximum junction temperature of 125°C during operation and up to 155°C after start-up.

SCRs - Modules Feature Summary

• Pressure contact technology ensures high mechanical and thermal reliability
• Advanced Medium Power Technology (AMPT) optimizes performance
• Integrated optimized heatsink eliminates the need for external thermal interface materials

SCRs - Modules Applications

• Soft starters
• Bypass switches
• Power controllers
• Static switches

SCRs - Modules Procurement Notes

Verify the specific ordering suffix against official Infineon documentation to confirm exact configuration details. Confirm that the component meets all necessary environmental and safety standards required for the intended industrial application before finalizing procurement.

SCRs - Modules Selection Notes

Select this module based on its 1600 V blocking capability and 1900 A overload capacity. Ensure the cooling system design accommodates the specified thermal resistance values. Verify gate trigger requirements align with the control circuit capabilities to ensure reliable switching under load conditions.

SCRs - Modules Part Context

This component belongs to Infineon's soft starter module series designed for high-power industrial applications. It utilizes silicon pellets with pressure contact technology, distinguishing it from soldered modules. The series is engineered for robust performance in phase control and power conversion systems requiring high surge withstand capability.

SCRs - Modules Replacement Considerations

Consult official Infineon cross-reference guides for verified substitutes. Ensure any replacement matches the 1600 V rating, 1900 A overload current, and compatible mounting dimensions. Verify thermal resistance and gate trigger specifications to maintain system performance integrity.