P1800SA thyristors equivalent, protection thyristors.
UL497B approved (UL file number E331293)
* Fails short circuit when surged in excess of ratings
* Low voltage overshoot
* High repetitive surge current ca.
DO214AA (SMB)
* Customer Premises Equipment (CPE)
* Modems, Line cards, DSL, ISDN, T‐1/E‐1
* Data lines .
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