SIOV metal oxide varistors
Housed (ThermoFuse) varistors, AdvanceD series
Series/Type: ETFV25
Date: January 2018
EPCOS AG 2018. 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.Housed varistors ETFV25
ThermoFuse varistors, ETFV25 series
Construction
Round varistor element, leaded
Coating: epoxy resin, flame-retardant to UL 94 V-0
Terminals: tinned copper wire, metal compound wire
Housing: thermoplastic, flame-retardant to UL 94 V-0
Features
Wide operating voltage range 115 420 V
RMS
Self-protected under abnormal overvoltage conditions
Very high surge current ratings of 20 kA
Approvals
UL
IEC
VDE
Applications
Air conditioner, refrigerator, TV, etc.
Power meter, inverter, telecom equipment, etc.
Transient voltage surge suppressors (TVSS)
Solar inverter
Delivery mode
Bulk (standard)
Typical applications
General technical data
Climatic category to IEC 60068-1 40/85/56
Operating temperature to IEC 61051 40 ... + 85 C
Storage temperature 40 ... + 85 C
Electric strength to IEC 61051 2.5 kV
RMS
Insulation resistance to IEC 61051 100 M
Please read Cautions and warnings and Page 2 of 15
Important notes at the end of this document.