STT2200N18P55XPSA1

Overview

The Infineon STT2200N18P55XPSA1 is a soft starter module featuring two SCRs in a single-phase W1C configuration. It has a repetitive peak forward off-state and reverse voltage (VDRM/VRRM) of 1800 V. The overload current capacity is 2180 A for 21 seconds, with a surge current limit (ITSM) of 21000 A at 25°C junction temperature. The on-state threshold voltage (VT0) is 0.9 V, and the slope resistance (rT) is 0.24 mΩ. Thermal resistance from junction to ambient (RthJA) is 0.082 K/W per arm under sinusoidal conditions.

Feature Summary

• Pressure contact technology ensures high reliability without thermal interface material
• Advanced Medium Power Technology (AMPT) silicon pellet design
• Integrated optimized heatsink for direct mounting compatibility

Applications

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

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm mechanical or electrical variations. Confirm RoHS compliance status and environmental classifications prior to procurement. Ensure that the component matches the required voltage and current ratings for the intended application environment.

Selection Notes

Select this module based on its 1800 V blocking capability and 2180 A overload rating. Consider the integrated heatsink design which eliminates the need for thermal grease. Evaluate the thermal resistance parameters to ensure adequate cooling solutions are implemented for the expected load profiles.

Part Context

This component belongs to the STT2200 series of soft starter modules from Infineon Technologies. These modules are designed for compact power applications requiring robust semiconductor solutions. The series utilizes pressure contact technology to enhance durability and simplify installation processes in industrial settings.

Replacement Considerations

STT2200N18P55XPSA2 is a documented variant within the same product family.