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STT1400N18P55XPSA1
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Product Detailed Parameters
- Description：THYR / DIODE MODULE DK
- Series：-
- Mfr：Infineon Technologies
- Package：Tray
- Structure：1-Phase Controller - All SCRs
- Number of SCRs, Diodes：2 SCRs
- Voltage - Off State：1.8 kV
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：10500A @ 60Hz
- Operating Temperature：125°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：Module
- Voltage - Gate Trigger (Vgt) (Max)：2 V
- Current - Gate Trigger (Igt) (Max)：200 mA
- Current - Hold (Ih) (Max)：300 mA
- Grade：-
- Qualification：-
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Overview
The Infineon STT1400N18P55 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 device supports a repetitive peak forward off-state and reverse voltage of 1800 V. Overload current capability reaches 1300 A at 21 seconds with a junction temperature of 155°C. Surge current ratings are 10500 A at 25°C and 9000 A at maximum junction temperature for 10 ms pulses. The threshold voltage is 0.9 V, and the slope resistance is 0.49 mΩ.
Feature Summary
- Pressure contact technology ensures high reliability
- Advanced Medium Power Technology (AMPT) implementation
- Integrated optimized heatsink eliminates need for thermal grease
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 compatibility with existing system requirements before procurement. Cross-reference datasheet specifications with application needs to validate performance suitability.
Selection Notes
Evaluate thermal management requirements based on the specified transient thermal impedance values. Confirm that gate trigger characteristics align with control circuit capabilities. Assess mechanical constraints regarding terminal connection torque and vibration resistance standards.
Part Context
This component belongs to Infineon's Soft Starter Module series designed for compact power applications. It integrates thyristor functionality within a robust pressure-contact package suitable for industrial environments requiring high overload capacity and reliable phase control operations.
Replacement Considerations
STT1400N16P55XPSA1
FAQ
What is the critical rate of rise of on-state current?
The critical rate of rise of on-state current is 250 A/µs according to DIN IEC 747-6 standards.
What is the maximum junction temperature after start?
The maximum junction temperature after start is 155°C when the reverse or forward voltage is less than 80% of the rated voltage.
What is the typical turn-off time?
The typical circuit commutated turn-off time is 250 µs under specified test conditions.
