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Transcript
Telecommunications Line Feed Resistors 4ELECOMMUNICATIONS ALFR-2B Series ,INE&EED2ESISTORS · 1% tolerance · Auto-insertable, small size ·!,&2"3ERIES Withstands lightning surges ·sTOLERANCE 4.8 ohm to 1600 ohm range s!UTOINSERTABLESMALLSIZE ·s7ITHSTANDSLIGHTNINGSURGES Opens safely under power cross ·sOHMTOOHMRANGE Flameproof inorganic construction s/PENSSAFELYUNDERPOWERCROSS ·s&LAMEPROOFINORGANICCONSTRUCTION Meets all test and specifications of GR-1089 & UL-497A ·s-EETSALLTESTANDSPECIFICATIONSOF'25,! Meets FCC and EIA requirements s-EETS&##AND%)!REQUIREMENTSANDIS5,!APPROVED %NVIRONMENTAL$ATA #HARACTERISTICS 7ATTAGE ,IMITS!,&2" WATTS 4EMPERATURE#OEFlCIENT PPM # 4OLERANCE AND ,OAD,IFEHOURS $2MAXIMUM 4EMPERATURE#YCLING $2MAXIMUM 3HORT4IME/VERLOADX27FORSEC $2MAXIMUM -OISTURE,OAD $2MAXIMUM 2ESISTANCE2ANGE TOOHMS ,IGHTNING3URGE6SEC NEGATIVEPOSITIVESURGESMINUTEINTERVALS .OFAILURES $%3)'.#/.3425#4)/. 4HE,INE&EED2ESISTORISATIGHTTOLERANCESTABLERESISTORWHICHHASTHEADDITIONALCAPABILITYTOWITHSTANDBOTHINRUSHCURRENTS ANDCERTAINLIGHTNINGPULSESURGESBUTWOULDFUSESAFELYWHENEXPOSEDTOOVERLOADCONDITIONSSUCHASTHEVOLTPOWERCROSS SPECIlEDIN'2 'ENERAL.OTE )2#RESERVESTHERIGHTTOMAKECHANGESINPRODUCTSPECIlCATIONWITHOUTNOTICEORLIABILITY !LLINFORMATIONISSUBJECTTO)2#SOWNDATAANDISCONSIDEREDACCURATEATTIMEOFGOINGTOPRINT General Note TT electronics reserves the right to make changes in product specification without notice or liability. 7IREAND&ILM4ECHNOLOGIES$IVISION s3OUTH3TAPLES3TREETs#ORPUS#HRISTI4EXAS53! All information is subject to TT electronics’ own data and is considered accurate at time of going to print. 4ELEPHONEs&ACSIMILEs7EBSITEWWWIRCTTCOM !SUBSIDIARYOF 44ELECTRONICSPLC www.bitechnologies.com !,&2"3ERIES)SSUE/CTOBER3HEETOF www.irctt.com www.welwyn-tt.com © TT electronics plc 01.13 4ELECOMMUNICATIONS ,INE&EED2ESISTORS ALFR-2B Series Telecommunications Line Feed Resistors 0HYSICAL$ATA 4HE FOUR TERMINAL LEADS SHALL BE IN THE LINE TOATOLERANCETOINCH4HELEADSPACING DIMENSIONSASSPECIlEDSHALLBEMEASURESFROM THETIPOFTHELEAD4HELEADSMAYHAVEA DRAFT RELATIVETOTHEPROTECTORBODY /RDERING$ATA 3AMPLE0ART.O !,&2"& )2#4YPE !,&2 0OWER "WATTS 2ESISTANCE6ALUE 4OLERANCE &* (OWTOUSETHE!,&2" ,EADSCANBEINTERCHANGEDWITHLEADS4HEPARTCANTHEN BEINSERTEDINTOTHECIRCUITINEITHERORIENTATION 7IREAND&ILM4ECHNOLOGIES$IVISION s3OUTH3TAPLES3TREETs#ORPUS#HRISTI4EXAS53! 4ELEPHONEs&ACSIMILEs7EBSITEWWWIRCTTCOM !,&2"3ERIES)SSUE/CTOBER3HEETOF General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © TT electronics plc 01.13
