Manufacturer Part Number
MCD250-12IO1
Manufacturer
littelfuse
Introduction
The MCD250-12IO1 is an obsolete thyristor SCR (Silicon Controlled Rectifier) module from littelfuse, designed for efficient power control and switching applications. It features a series connection structure incorporating one SCR and one diode.
Product Features and Performance
Series connection SCR/Diode structure for optimal performance in power control applications
Capable of operating at high currents and voltages
Robust design suitable for chassis mount
High surge current capability
Product Advantages
High On-State Current of up to 287 A (average) and 450 A (RMS)
High Surge Current capability with Itsm values of 9000A and 9600A for 50Hz and 60Hz respectively
Wide operating temperature range from -40°C to 140°C, enabling use in varied environmental conditions
Key Technical Parameters
Voltage Off State: 1.2 kV
Current On State (It (AV)) (Max): 287 A
Current On State (It (RMS)) (Max): 450 A
Voltage Gate Trigger (Vgt) (Max): 2 V
Current Gate Trigger (Igt) (Max): 150 mA
Current Hold (Ih) (Max): 150 mA
Operating Temperature Range: -40°C ~ 140°C
Quality and Safety Features
Ensured reliability and robustness for safety in applications
Compatibility
Designed for chassis mount installations, compatible with varied equipment needing efficient power control
Application Areas
Industrial power applications
High power switching applications
Electrical heating systems
Motor control circuits
Product Lifecycle
Classified as Obsolete, suggesting the phase-out of production
Users may need to look for replacements or upgrades due to discontinuation
Several Key Reasons to Choose This Product
High surge current capacity making it suitable for applications with high inrush currents
The wide operating temperature range allows for usage in extreme conditions
High reliability and durability under high-voltage and high-current conditions
Suitable for a broad range of industrial applications
Despite being obsolete, its performance characteristics still make it a viable option for specific legacy systems needing maintenance or minimal upgrades
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