STT1400N16P55HPSA1

Overview

The Infineon STT1400N16P55HPSA1 is a soft starter module utilizing pressure contact technology and Advanced Medium Power Technology (AMPT). It features an integrated optimized heatsink for efficient thermal management. The device supports a repetitive peak forward off-state and reverse voltage of 1600 V. It handles an overload current of 1300 A for 21 seconds at a maximum junction temperature of 155 °C. The surge current rating reaches 10500 A for 10 ms. Key electrical parameters include a threshold voltage of 0.9 V, a slope resistance of 0.49 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 characteristics.
• Integrated optimized heatsink facilitates effective heat dissipation without requiring external thermal interface materials.

Applications

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

Procurement Notes

Verify the specific ordering suffix against official Infineon documentation to confirm exact configuration details. Ensure that the component matches the required technical specifications for the intended application environment. Cross-reference datasheet revision numbers to guarantee access to the most current electrical and thermal data before finalizing procurement decisions.

Selection Notes

Select this module based on its 1600 V blocking capability and 1300 A overload capacity for heavy-duty industrial applications. Consider the integrated heatsink design when planning system cooling infrastructure. Evaluate the 250 A/µs di/dt rating to ensure compatibility with the gate drive circuitry and snubber networks required for safe commutation in high-power phase control scenarios.

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 housed in a robust ceramic package. The module integrates thyristor and diode elements within a single assembly to provide compact solutions for power control systems requiring high surge current handling and reliable operation under demanding thermal conditions.

Replacement Considerations

Consult official Infineon cross-reference guides for verified substitute part numbers. Do not assume functional equivalence with other modules based solely on voltage or current ratings. Verify mechanical dimensions and terminal configurations to ensure compatibility with existing mounting hardware and electrical connections.

FAQ

What is the maximum junction temperature after start?

The maximum junction temperature after start is 155 °C, provided the reverse/forward voltage is less than 80% of the rated values.

What is the critical rate of rise of off-state voltage?

The critical rate of rise of off-state voltage is 1000 V/µs.

What is the typical weight of the module?

The typical weight of the module is 1280 g.