Manufacturer Part Number
ND421225
Manufacturer
powerex
Introduction
The ND421225 is a high-power SCR/Diode module from powerex designed for efficient control and rectification of current in power electronic applications.
Product Features and Performance
One SCR and one Diode in series connection
High blocking voltage of 1.2 kV
On-state current of 250 A average and 393 A RMS
Gate trigger voltage and current are 3 V and 150 mA respectively
Non-repetitive surge current capability of 8800A at 60Hz
High operating temperature range from -40°C to 130°C
Chassis mount with POW-R-BLOK™ Module package
Product Advantages
Simplified circuit configuration due to integrated SCR and Diode
Robust surge current handling for demanding applications
Reliable high temperature operation
Easy to mount with chassis mount configuration
Compact design provided by the POW-R-BLOK™ package
Key Technical Parameters
Voltage – Off State: 1.2 kV
Current – On State (It(AV)) (Max): 250 A
Current – On State (It(RMS)) (Max): 393 A
Voltage – Gate Trigger (Vgt) (Max): 3 V
Current – Gate Trigger (Igt) (Max): 150 mA
Current – Non Rep. Surge 50, 60Hz (Itsm): 8800A
Quality and Safety Features
Rugged construction for a reliable performance
Compliance with safety standards for high-power electronic modules
Compatibility
Designed for chassis mounting in a wide variety of power applications
Application Areas
Industrial motor drives
Power supplies
Power converters
Inverters
Product Lifecycle
Obsolete status indicates that the product is no longer in production
Users should seek replacements or consider upgrades for long-term applications
Several Key Reasons to Choose This Product
High surge current capability suitable for tough industrial applications
Stable performance at a wide range of operating temperatures
Integrated module simplifies design and installation
powerex is reputed for producing robust and reliable power electronic components
The product had a proven track record before discontinuation.
