STT800N16P55XPSA2

Overview

The Infineon STT800N16P55XPSA2 is a soft starter module utilizing pressure contact technology. It features a W1C topology with a maximum repetitive peak forward and reverse voltage of 1600 V. The device supports an overload current of 800 A for 21 seconds at a junction temperature of 155 °C, starting from 40 °C. Surge current capacity reaches 6300 A at 25 °C and 5400 A at maximum junction temperature for a 10 ms pulse. Key electrical parameters include a threshold voltage of 0.9 V, slope resistance of 0.83 mΩ, and a maximum junction-to-ambient thermal resistance of 0.196 K/W.

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 facilitates efficient thermal management without requiring external thermal paste.

Applications

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

Procurement Notes

Verify the specific ordering suffix XPSA2 against official documentation to confirm packaging and reel specifications. Ensure compatibility with standard DIN control terminals and M6 terminal connection torque requirements of 10 Nm during installation.

Selection Notes

Select this module based on the 1600 V blocking capability and 800 A overload rating. Confirm that the application's thermal environment allows for the specified RthJA values. Verify gate trigger requirements against the provided characteristic curves for reliable turn-on.

Part Context

This component belongs to the STT series of soft starter modules designed for compact semiconductor solutions. It integrates silicon pellets with pressure contacts and optimized cooling structures, targeting industrial applications requiring high surge current handling and reliable phase control.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing should be performed using official Infineon tools or by consulting technical support for equivalent specifications.

FAQ

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 at 50 Hz frequency.

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 VRRM/VDRM.

What is the holding current specification?

The maximum holding current (IH) is 300 mA, measured at a junction temperature of 25 °C with a diode voltage of 12 V and a load resistance of 1 Ω.