Manufacturer Part Number
LD422043
Manufacturer
Powerex
Introduction
The Powerex LD422043 is a high power semiconductor device that combines a silicon-controlled rectifier (SCR) and diode in a series configuration within a module.
Product Features and Performance
Series configuration of one SCR and one Diode
High voltage handling capability up to 2 kV (off-state)
High on-state current of 430 A average and 800 A RMS
Gate trigger voltage and current of 3 V and 200 mA respectively
Exceptional surge current capability with 14000A (50Hz) and 16000A (60Hz)
Operating temperature range from -40°C to 125°C
Chassis mount for secure installation
POW-R-BLOK™ Module for reliable high power applications
Product Advantages
Integrated SCR and diode design simplifies circuit configuration
Robust surge current ratings enhance reliability under stress conditions
Wide operating temperature range ensures performance in harsh environments
Strong off-state voltage rating provides good insulation and voltage standoff capability
Key Technical Parameters
Voltage Off State: 2 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
Quality and Safety Features
Complies with relevant industry standards for power modules
Encapsulated design provides environmental protection and enhances safety
Compatibility
Suitable for applications that require series connection of SCR and diode
Requires chassis mounting for optimal thermal management
Application Areas
Industrial motor controls
Power supplies
Solid-state switches
Power conversion systems
Product Lifecycle
Discontinued at Digi-Key
Potential need to seek alternative sources or find replacement models
Several Key Reasons to Choose This Product
Powerex's reputation for high-quality power semiconductor devices
High current and voltage specifications for demanding applications
Reliability in extreme temperature conditions
Surge current capabilities provide resilience to power spikes
Designed for complex industrial systems requiring robust power components