Manufacturer Part Number
MCD44-14IO8B
Manufacturer
Littelfuse
Introduction
Silicon-controlled rectifier and diode module designed for high-power control and switching applications.
Product Features and Performance
Series connection layout of SCR and diode
1 SCR and 1 Diode configuration
High voltage capability up to 1.4 kV
Maximum on-state average current of 51 A
RMS on-state current up to 80 A
Gate trigger voltage maximum of 1.5 V
Gate trigger current maximum of 100 mA
High surge current rating: Itsm of 1150A (50Hz) and 1230A (60Hz)
Holding current maximum of 200 mA
Thermal operation range of -40°C to 125°C
Product Advantages
High surge current withstand capability
Stable triggering characteristics
Optimized for high voltage applications
Designed for robust performance in harsh environments
Ease of assembly with chassis mount configuration
Key Technical Parameters
Voltage - Off State: 1.4 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 to 125°C
Quality and Safety Features
Designed for reliable and safe operation under high-current and high-voltage conditions.
Compatibility
Suitable for use in a wide range of industrial applications requiring controlled rectification or switching
TO-240AA package for seamless integration in existing systems
Application Areas
Industrial power supplies
Motor control
Heaters and welding equipment
Power regulators and inverters
Product Lifecycle
Status: Active
Not nearing discontinuation and support with replacements and upgrades is expected to be available.
Several Key Reasons to Choose This Product
Reliable performance in industrial conditions
High voltage and current ratings for versatile use
Littelfuse reputable manufacturer for power control devices
Robust design with high surge current tolerance
Long operational temperature range for extreme industrial applications
Continued product support and lifecycle sustainability