STT2200N18P55XPSA2

Overview

The Infineon STT2200N18P55XPSA2 is a soft starter module utilizing pressure contact technology and Advanced Medium Power Technology (AMPT). It features an integrated optimized heatsink for direct mounting without thermal grease. The module supports a repetitive peak forward off-state and reverse voltage of 1800 V, with a maximum overload current of 2180 A at 21 seconds. Surge current capability reaches 21000 A at 10 ms. Key electrical parameters include a threshold voltage of 0.9 V, slope resistance of 0.24 mΩ, and a critical rate of rise of on-state current of 250 A/µs.

Feature Summary

• Pressure contact technology ensures high reliability and robust mechanical connections.
• Advanced Medium Power Technology (AMPT) optimizes performance for medium power applications.
• Integrated optimized heatsink allows for direct installation without the need for thermal interface materials.

Applications

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

Procurement Notes

Verify the exact ordering suffix to confirm package and terminal specifications. Ensure compatibility with existing cooling infrastructure, as the module relies on its integrated heatsink design. Cross-reference the datasheet revision date against manufacturing records to validate component authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this module for applications requiring high surge current tolerance and compact integration. Evaluate thermal management requirements based on the specified junction-to-ambient thermal resistance values. Confirm that the gate trigger characteristics align with the control circuit capabilities to ensure reliable turn-on under varying temperature conditions.

Part Context

This component belongs to the STT series of soft starter modules from Infineon Technologies. It is designed as a complete solution for motor starting and power control, offering a small footprint compared to traditional discrete thyristor assemblies. The series emphasizes ease of integration into bypass contactor designs through its standardized dimensions and mounting options.

Replacement Considerations

Direct replacements within the same series include variants with different voltage ratings or current capacities, such as the STT1900N18P55 or STT2200N16P55. Verify that any substitute matches the specific W1C topology and physical mounting dimensions to maintain system compatibility.

FAQ

What is the maximum junction temperature after start?

The maximum junction temperature after start (Tvj max st) is 155 °C, provided the reverse voltage is less than 80% of the rated value.

How does the module handle thermal resistance?

It features an integrated optimized heatsink, resulting in a maximum junction-to-ambient thermal resistance (RthJA) of 0.082 K/W for DC operation per module.

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

The critical rate of rise of on-state current ((diT/dt)cr) is 250 A/µs, measured according to DIN IEC 747-6 standards.