SIOV metal oxide varistors Leaded varistors, SuperioR-MP, S20 series Series/Type: B722* Date: May 2017 EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. EPCOS AG is a TDK Group Company.Leaded varistors B722* SuperioR-MP, S20 series Construction Round varistor element, leaded Coating: epoxy resin, flame-retardant to UL 94 V-0 Features Wide operating voltage range 130 ... 680 V RMS All types duty cycle 6 kV/ 3 kA = >10 pulses, according to IEC 60950-1, Annex Q IEC 61051-2 rd All types I 5 kA = >15 impulses according to UL 1449, 3 edition surge current nom generator (8/20 s), type 2 listed Multiple pulse handling capability Approvals UL CSA (all types 320 V ) RMS VDE IEC Delivery mode Bulk (standard), taped versions on reel or in Ammo pack upon request. For further details refer chapterTaping, packaging and lead configuratio for leaded varistors. General technical data Climatic category to IEC 60068-1 40/105/56 Operating temperature to IEC 61051 40 ... +105 C Storage temperature 40 ... +125 C Electric strength to IEC 61051 2.5 kV RMS Insulation resistance to IEC 61051 100 M Response time < 25 ns Please read Cautions and warnings and Page 2 of 23 Important notes at the end of this document.