Manufacturer Part Number
MCD44-12IO8B
Manufacturer
littelfuse
Introduction
The MCD44-12IO8B is a robust Thyristor SCR - Diode module designed for high voltage and current handling capabilities.
Product Features and Performance
Series Connection SCR/Diode structure
Capable of handling voltages up to 1.2 kV
Supports on-state currents up to 51 A (average) and 80 A (RMS)
Gate trigger voltage of up to 1.5 V
Gate trigger current of up to 100 mA
Non-repetitive surge current capability of 1150A (50Hz) and 1230A (60Hz)
Hold current up to 200 mA
Operational across a wide temperature range from -40°C to 125°C
Product Advantages
Integrated SCR and Diode for efficient power control
High surge current capabilities for robust performance in demanding applications
Compact TO-240AA package for easier chassis mounting
Suitable for high-temperature operations
Key Technical Parameters
Voltage Off State: 1.2 kV
Current On State (It (AV)) (Max): 51 A
Current On State (It (RMS)) (Max): 80 A
Voltage Gate Trigger (Vgt) (Max): 1.5 V
Current Gate Trigger (Igt) (Max): 100 mA
Current Non Rep. Surge 50, 60Hz (Itsm): 1150A, 1230A
Current Hold (Ih) (Max): 200 mA
Operating Temperature range: -40°C ~ 125°C
Quality and Safety Features
Built for reliability and safety with rigorous testing to withstand extreme conditions
Complies with international safety standards for electronic components
Compatibility
Compatible with various high power industrial applications requiring voltage control
Suitable for chassis mount setups
Application Areas
Industrial power supplies
Motor control systems
Heating applications
Product Lifecycle
The product is currently active
No indications of nearing discontinuation
Future replacements or upgrades can be expected as part of ongoing product enhancements
Several Key Reasons to Choose This Product
High voltage and current handling capability providing efficient power management
Durable design supports use in diverse and extreme environments
Combination of SCR and Diode in one module simplifies system design
Reliable performance backed by littelfuse's reputation in circuit protection technology
Comprehensive operating temperature range suited for versatile applications
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