STT5000N14P110XPSA1

Overview

The STT5000N14P110XPSA1 is a thyristor soft starter module manufactured by Infineon Technologies. It features a W1C topology with a maximum repetitive peak forward off-state and reverse voltage (VDRM/VRRM) of 1400 V. The module supports a W1C start current (IRMS st) of 4780 A over 21 seconds at a maximum junction temperature of 125 °C. Surge current capability (ITSM) reaches 44,000 A at 25 °C for 10 ms. Key electrical parameters include an on-state voltage (vT) of up to 1.43 V, a threshold voltage (VT0) of 0.9 V, and a slope resistance (rT) of 0.106 mΩ. The device utilizes pressure contact technology and includes an integrated optimized heatsink.

Feature Summary

• Pressure contact technology ensures high reliability and robust mechanical connections.
• Integrated optimized heatsink design facilitates efficient thermal management without requiring external mounting hardware.
• Silicon pellet construction provides high surge current handling capabilities.

Applications

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

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm exact configuration details. Ensure that any additional alphanumeric characters in the part number do not indicate variations in terminal types or internal configurations. Cross-reference the manufacturer's latest datasheet revision to confirm availability and compliance status before finalizing procurement orders.

Selection Notes

Select this module based on its 1400 V rating and 4780 A RMS start current capacity. Evaluate the thermal resistance values (RthJA) under expected airflow conditions to ensure junction temperatures remain within the 125 °C continuous limit. Confirm that the gate trigger requirements align with the control circuitry specifications.

Part Context

This component belongs to Infineon's soft starter module series designed for high-power industrial applications. It integrates silicon pellets with pressure contact technology into a compact form factor. The module is engineered to handle significant overload currents while maintaining reliable operation in demanding electrical environments.

Replacement Considerations

Consult official replacement guides for compatible modules within the same voltage and current ratings. Verify mechanical dimensions and terminal configurations to ensure physical compatibility during installation.