Manufacturer Part Number
MCC21-12IO8B
Manufacturer
littelfuse
Introduction
The MCC21-12IO8B is a SCR (Silicon Controlled Rectifier) module from littelfuse, designed for high-voltage, high-current applications.
Product Features and Performance
Series connection - All SCRs
Number of SCRs: 2
High Voltage Capability: 1.2 kV off state
High Current Rating: 21 A average, 33 A RMS
Gate trigger voltage: 1 V maximum
Gate trigger current: 65 mA maximum
Surge current capacity: 320A at 50Hz, 350A at 60Hz
Holding current: 100 mA maximum
Product Advantages
Optimized for high voltage and high current applications
Robust surge current capacity enhances reliability under stress
Low gate trigger requirements for easier control and interfacing
Key Technical Parameters
Voltage - Off State: 1.2 kV
Current - On State (It (AV)) (Max): 21 A
Current - On State (It (RMS)) (Max): 33 A
Voltage - Gate Trigger (Vgt) (Max): 1 V
Current - Gate Trigger (Igt) (Max): 65 mA
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Enhanced thermal and electrical stability over a wide operating temperature range
Durable chassis mount package for secure installation
Compatibility
Compatible with standard gate trigger circuits
Application Areas
Industrial power supplies
Motor control systems
Lighting systems
High power switching applications
Product Lifecycle
Status: Active
Product is currently supported and not nearing discontinuation
Several Key Reasons to Choose This Product
High-voltage and high-current operation capability
Robust construction suitable for industrial environments
Reliable performance with high surge current rating
Low gate trigger current enhancing compatibility
Wide operating temperature range ensuring stability in varied environments
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