Varistor Products
Radial Leaded Varistors > LV UltraMOVTM Series
TM
RoHS
LV UltraMOV Varistor Series
Description
Epoxy Coated
The Littelfuse LV UltraMOV™ Series of low voltage, high
surge current, radial leaded varistors provides an ideal circuit
protection solution for lower DC voltage applications by of-
fering higher surge ratings than ever before available in such
small discs.
Phenolic Coated
The maximum peak surge current rating can reach up to 8KA
(8/20 μs pulse) to protect against high peak surges, including
indirect lightning strike interference, system switching tran-
sients and abnormal fast transients from the power source.
Available in five model sizes: 5mm, 7mm, 10mm, 14mm and
20mm, these device feature a wide VAC voltage range of
11V to 40V, and VDC voltage range of 14V to 56V.
Agency Approvals
Features
•ꢀ Breakthroughꢀinꢀlowꢀ
voltage varistor design
provides high peak
•ꢀ Wideꢀoperatingꢀvoltageꢀ
range VM(AC)RMS 11V to 40V
and VM(DC) 14V to 56V
•ꢀ Highꢀoperatingꢀ
temperature range
up to 125ºC
Agency
Agency File Number
E320116 (only Epoxy Coated)
surge current rating
•ꢀ Reducedꢀfootprintꢀandꢀ
volume required for
surge protection
•ꢀ 5ꢀmodelꢀsizesꢀavailable:ꢀ
•ꢀ Optionalꢀphenolicꢀcoating
5, 7, 10, 14, and 20mm
•ꢀ Highꢀpeakꢀsurgeꢀ
current rating up to
8KA (8/20 μs pulse)
•ꢀ Standardꢀleadꢀoptions
•ꢀ Lead–free,ꢀHalogen-Freeꢀ
and RoHS compliant
Applications
ꢀ•ꢀ LEDꢀlightingꢀdrivers
ꢀ•ꢀ Cordlessꢀphones
ꢀ•ꢀ Fireꢀalarmꢀsystems
ꢀ•ꢀ AutomationꢀControlꢀ
Systems (PLCs)
ꢀ•ꢀ IndustrialꢀControlꢀ
Contact Relay
ꢀ•ꢀ SurgeꢀProtectionꢀDevices
ꢀ•ꢀ Wirelessꢀbaseꢀstations
ꢀ•ꢀ Audioꢀdevices
ꢀ•ꢀ Mobileꢀphoneꢀchargers
ꢀ•ꢀ Securityꢀsystems
Absolute Maximum Ratings
•ꢀForꢀratingsꢀofꢀindividualꢀmembersꢀofꢀaꢀseries,ꢀseeꢀDeviceꢀRatingsꢀandꢀSpecificationsꢀchart
Low Voltage Series
Units
Continous:
Steady State Applied Voltage:
AC Voltage Range (VM(AC)RMS
)
11 to 40
14 to 56
V
V
DC Voltage Range (VM(DC)
)
Transient:
ꢀ
Non-RepetitiveꢀSurgeꢀCurrent,ꢀ8/20µsꢀWaveformꢀ(ITM
)
500 to 8,000
0.8 to 140
-40 to +85
-40 to +125
-40 to +125
-40 to +150
< 0.01%
2500
A
J
Non-Repetitive Energy Capability, 2ms Waveform (WTM
)
Operating Ambient Temperature Range (TA) for Epoxy coated
Operating Ambient Temperature Range (TA) for Phenolic coated
Storage Temperature Range (TSTG) for Epoxy coated
°C
°C
°C
°C
°C
V
Storage Temperature Range (TSTG) for Phenolic coated
Temperature Coefficient (αV) of Clamping Voltage (VC) at Specified Test Current
Hi-Pot Encapsulation (Isolation Voltage Capability) for Epoxy coated
Hi-Pot Encapsulation (Isolation Voltage Capability) for Phenolic coated
Epoxy Coating Insulation Resistance
500
V
>1,000
MΩ
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of
the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/23/14