Manufacturer Part Number
LD431843
Manufacturer
Powerex
Introduction
The LD431843 is a thyristor SCR module designed for high-power control and switching applications.
Product Features and Performance
Series Connection - All SCRs
Two SCRs in module
High voltage capability - up to 1.8 kV
High on-state current capability - It(AV) max 430 A and It(RMS) max 800 A
Thyristor surge current protection - 14000A (50Hz), 16000A (60Hz)
Product Advantages
Efficient power control for industrial applications
High surge current withstand capability
Durable and reliable performance at extreme temperatures
Compact POW-R-BLOK™ Module for easy chassis mounting
Key Technical Parameters
Voltage - Off State: 1.8 kV
Current - On State (It(AV)) (Max): 430 A
Current - On State (It(RMS)) (Max): 800 A
Voltage - Gate Trigger (Vgt) (Max): 3 V
Current - Gate Trigger (Igt) (Max): 200 mA
Current - Non Rep. Surge 50, 60Hz (Itsm): 14000A, 16000A
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Built to handle high surge currents
Resilient across a wide range of operating temperatures
Compatibility
Designed to mount on a chassis
Fits POW-R-BLOK™ Module package
Application Areas
Industrial power control
Motor drives
Power supplies
Inverters
Product Lifecycle
Discontinued at Digi-Key
Consider looking for replacements or upgrades for future applications
Several Key Reasons to Choose This Product
Optimal choice for high voltage applications requiring series SCR configurations
High current handling capability for robust industrial usage
Exceptional surge current immunity for reliability
Suitable for use in harsh operating environments
Proven Powerex quality with comprehensive power management features
Easy installation with chassis mount design