PTC thermistors for overcurrent protection in telecom applications Leaded disks Series/Type: Date: April 2014 EPCOS AG 2014. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited.Overcurrent protection for telecom Leaded disks Applications Overcurrent protection for telecom applications Suitable for line card applications e.g. POTS, access networks, customer premises equipment (CPE) or integrated voice data (IVD) Features Compliant with ITU-T standards basic-level lightning surges (10/700 s) basic-level power induction (600 V, 1 A, 0.2 s) power contact criteria A/B (230 V, 15 min.) Matching available with narrow resistance tolerance Tight resistance matching maintained after switching Negligible resistance drift after soldering or switching Marking: Type, manufacturer s logo, reference temperature in C and date code YYWW (except B59076B1*, B59012B1*, B59084B1*, B59045B1*, B59069B1*) UL approval to UL 1434 for B59184* (file number E69802) RoHS-compatible Options Alternative tolerances and resistances on request Delivery mode Cardboard tape, 360-mm reel, taping to IEC 60286-2 or untaped on cardboard strips General technical data Maximum fault voltage V 245 V AC F,max Max. operating voltage V 135 V AC max Operating temperature range (V = 0) T 20/+125 C op Operating temperature range (V = V ) T 0/+70 C max op Please read Cautions and warnings and Page 2 of 11 Important notes at the end of this document.