The SIDACtor® Primary Protection Series Modified TO-220 are thyristor devices designed for use in primary protection applications.
The series provides a single port overvoltage solution that enables applications to comply with GR-974 and a range of other global regulatory standards. Please contact Littelfuse to discuss your particular application and regulatory requirements.
Standards:
GR-947
UL 497
ITU K.28
High holding current options available
Failsafe option available
Low voltage overshoot
Low on-state voltage
Does not degrade with use
Fails short circuit when surged in excess of ratings