STT3400N18P76XPSA1

Overview

The STT3400N18P76XPSA1 is a single-phase thyristor module designed for soft start applications using pressure contact technology. It features a peak repetitive off-state voltage of 1.8 kV and an on-state RMS current rating of 3.3 kA. The device operates with a maximum gate trigger current of 250 mA and supports a maximum operating temperature of 125°C. Constructed in a 76 mm package, this component integrates robust semiconductor elements suitable for high-power industrial environments requiring reliable phase control and starting capabilities.

Feature Summary

• Engineered specifically for soft start applications within pressure contact technology frameworks
• Provides high current handling capability suitable for demanding industrial power systems
• Utilizes a compact 76 mm module form factor for efficient integration

Applications

• Industrial motor soft starting systems
• High-power pressure contact technology assemblies
• Phase-controlled AC power regulation units

Procurement Notes

Verify the specific ordering suffix XPSA1 to ensure correct packaging and variant alignment. Confirm that the 1.8 kV voltage rating and 3.3 kA current capacity match the system requirements. Check thermal management specifications against the 125°C maximum operating limit. Ensure compatibility with the required gate trigger parameters before finalizing procurement orders.

Selection Notes

Select this module when a single-phase solution for soft starting is required in pressure contact setups. Consider the 76 mm footprint for mechanical layout constraints. Evaluate the 1.8 kV blocking capability against peak line voltages. Assess the 3.3 kA RMS current rating against continuous load demands to ensure adequate safety margins for the intended application.

Part Context

This component belongs to Infineon's series of thyristor modules tailored for heavy-duty industrial use. It represents a specialized solution for managing high-power AC loads during startup phases. The module design emphasizes reliability and performance in environments where precise phase control and robust current handling are critical for operational stability.

Replacement Considerations

Consult official Infineon documentation for direct cross-references. Verify electrical equivalence regarding voltage, current, and package dimensions before substituting. Ensure gate trigger characteristics align with existing control circuitry to maintain system functionality without modification.