ISDN0101 Search Results

datasheet DIAC

Abstract: Wickmann USA wickmann 831 Wickmann TR5 tip 45 overcurrent circuit protection TE 901 cross reference ring terminal transistor TE 901 AC VOLTAGE PROTECTOR isdn
Text: WICKMANN ISDN CIRCUIT PROTECTION APPLICA TION NOTE APPLICATION ISDN CIRCUIT PROTECTION WICKMANN Background Power System Transient overvoltages occurring in telephone lines can usually be traced to two sources: 1 atmospheric interference such as lightning, and (2) AC power lines.