Circuit Protection Solutions >

What is a Surge? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3What is Protection? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .3Lightning - Global and Different . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4Where will the System be Used? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Bourns is pleased to present this comprehensiveguide to Telecom Circuit Protection,encompassing our broad range oftechnologies and products.This guide will provide the background information and selection recommendations needed to ensure that your next project achieves the level ofcost-effective field reliability demanded by todays customers.Bourns commissioned a survey ofTelecom CircuitProtection users worldwide to determine their prior- ities and needs.We found that reliability,technical and design support,and exemplary knowledge of protection technology were by far the three most cited items.Bourns...

PrimarySecondary OrganizationStandardComment GDTYH,L ThyristorUYVoltage MOVHYProtection ITU-TK.12,K.44 & K.21New/Revisedin 2000K.44Revision TVSHY PTC ThermistorYY anticipatedTELCORDIAGR-974,GR-1089Revised for FuseYCurrent Thermal SwitchYProtectionHeat CoilA 2002EN/IEC61643-311,-321,New for 2001 -341,-21EN/IECMOV,ModulesAnticipated Y = SuitableA = Suitable except for ADSL and higher data rates H = Suitable as part of hybrid L =Suitable for LAN or ADSL use U =Suitable for urban high density deployment only 2002-2004FCCTIA/EIA-IS-968In revision for (FCC Part 68)2002IEEEC62.31,C62.32In revision for2003C62.37Reaffirmed...

0.97(.038) .015) > 20.32(.800) APPROXIMATE TISPѮ LOCATIONAPPROXIMATE FUSE LOCATIONS 2 PLCS.4 PLCS. 1.27(.050) 2.54(.100) 0.36(.014) >