PTC thermistors for overcurrent protection in telecom applications Single SMDs Series/Type: B5908* Date: March 2010 EPCOS AG 2010. 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 Single SMDs 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.) Suitable for continuous connection to mains voltages of 110/230 V AC in tripped (high-ohmic) condition UL approval for Gamma I version to UL 1434 (file number E69802) Matching available with narrow resistance tolerance Tight resistance matching maintained after switching Negligible resistance drift after reflow soldering or switching Marked with type designation and date code RoHS-compatible Options Alternative tolerances and resistances on request Delivery mode Blister tape, 330-mm reel with 16-mm (Gamma I), taping to IEC 60286-3 General technical data Max. operating voltage V 245 V AC max Operating temperature range (V = 0) T 20/+125 C op Operating temperature range (V = 230 V) T 0/+70 C op Please read Cautions and warnings and Page 2 of 11 Important notes at the end of this document.