SIOV metal oxide varistors
Leaded varistors, SNF high operating temperature
varistors, SNF SuperioR-MP, SNF20 series
Series/Type: B722*
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.Leaded varistors, SNF high operating temperature varistors B722*
SNF SuperioR-MP, SNF20 series
Construction
Round varistor element, leaded
Coating: silicon resin, flame-retardant to UL 94 V-0
Terminals: tinned wire
Features
Wide operating voltage range 130 ... 550 V
RMS
All types duty cycle @ 6 kV/ 3 kA = >10 pulses, according to IEC 62368-1; G.8.2 and
IEC 60950-1; Annex Q, IEC 61051-2
th
All types I @ 5 kA = >15 impulses according to UL 1449, 4 edition surge current generator
n
(8/20 s), type 5 listed
Enhanced resistance against heat and humidity 85 C, 85% r.h., 0.85 V (1 mA), 1000 h
V
for use in harsh environments
Multiple pulse handling capability
Approvals
UL
CSA (all types 320 V )
RMS
VDE
CQC
IEC
Options
Types qualified to AEC-Q200 available in SNF automotive series or upon request
Special insulation types upon request
Delivery mode
Bulk (standard)
General technical data
Climatic category to IEC 60068-1 40/125/56
Operating temperature to IEC 61051 40 ... +125 C
Storage temperature 40 ... +150 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 22
Important notes at the end of this document.