Manufacturer Part Number
MSS50-1200
Manufacturer
stmicroelectronics
Introduction
The MSS50-1200 is a silicon controlled rectifier (SCR) module designed for high-power control and switching applications.
Product Features and Performance
SCR type: 1-Phase Controller with dual SCRs
High blocking voltage: 1.2 kV
On-state RMS current: 70 A
Gate trigger voltage: 1.3 V max
Gate trigger current: 50 mA max
Non-repetitive surge current: 600A at 50 Hz, 630A at 60 Hz
Holding current: 80 mA max
Operating temperature range: -40°C to 125°C
Mounting: Chassis Mount
Package: ISOTOP
Product Advantages
High surge capability
Suitable for high temperature operations
Robust and reliable chassis mount configuration
Key Technical Parameters
Voltage Off State: 1.2 kV
Current On State (It (RMS)) (Max): 70 A
Voltage Gate Trigger (Vgt) (Max): 1.3 V
Current Gate Trigger (Igt) (Max): 50 mA
Current Non Rep. Surge 50, 60Hz (Itsm): 600A, 630A
Current Hold (Ih) (Max): 80 mA
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Designed to withstand high surge events
Operable in extreme temperature conditions
Compatibility
Compatible with various high power switching applications requiring control
Application Areas
Industrial motor control
Heating and lighting control
Power supplies
High power converters
Product Lifecycle
Product Status: Obsolete
Note on replacements or upgrades not provided
Several Key Reasons to Choose This Product
High voltage and current handling capabilities suitable for industrial applications
Dual SCR design enables enhanced control
Durable chassis mount package for secure installation
Operates effectively across a wide temperature range for reliability under adverse conditions
High surge current ratings guard against unexpected power spikes
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