Manufacturer Part Number
MCD44-18IO1B
Manufacturer
littelfuse
Introduction
The MCD44-18IO1B is a hybrid SCR/Diode module designed for high power switching applications.
Product Features and Performance
Hybrid structure combining one SCR and one Diode
Suitable for series connection
Capable of handling high voltage and current
Gate trigger voltage and current are optimized for sensitive gate operation
Supports non-repetitive surge currents
Product Advantages
Improved reliability through robust construction
High surge current capability enhances equipment safety
Compact and efficient design for space savings
Key Technical Parameters
Voltage Off State: 1.8 kV
Current On State (It (AV)): 51 A
Current On State (It (RMS)): 80 A
Voltage Gate Trigger (Vgt): 1.5 V
Current Gate Trigger (Igt): 100 mA
Current Non Rep. Surge 50, 60Hz (Itsm): 1150A, 1230A
Current Hold (Ih): 200 mA
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Built to withstand high surge currents
Operating temperature range ensures stability under extreme conditions
Compatibility
Chassis mount configuration
Fits TO-240AA package specification
Application Areas
Motor control systems
Power converters and inverters
High power switching circuits
Product Lifecycle
Currently active product status
Not nearing discontinuation
Replacement and upgrade options available
Several Key Reasons to Choose This Product
High voltage and current handling capability for demanding applications
Sensitive gate operation allows for precise control
Robust design suitable for industrial environments
Wide operating temperature range ensures reliability under thermal stress
High surge current ratings enhance overall system safety
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