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P14E35

Varistor Products Radial Leaded Varistors > LV UltraMOVTM Series

Littelfuse, Inc 

Varistor Products

Radial Leaded Varistors > LV UltraMOVTM Series

LV UltraMOVTM Varistor Series

RoHS

Phenolic Coated

Epoxy Coated

Agency Approvals

Agency

Agency File Number

Pending

Description

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.

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.

Features

• Breakthrough in low

voltage varistor design

provides high peak

surge current rating

• Reduced footprint and

volume required for

surge protection

• Optional phenolic coating

• High peak surge

current rating up to

8KA (8/20 μs pulse)

• Wide operating voltage

range VM(AC)RMS 11V to 40V

and V M(DC) 14V to 56V

• High operating

temperature range

up to 125ºC

• 5 model sizes available:

5, 7, 10, 14, and 20mm

• Standard lead options

• Lead–free, Halogen-Free

and RoHS compliant

Applications

• LED lighting drivers

• Cordless phones

• Wireless base stations

• Audio devices

• Mobile phone chargers

• Security systems

• Fire alarm systems

• Automation Control

Systems (PLCs)

• Industrial Control

Contact Relay

• Surge Protection Devices

Absolute Maximum Ratings

• For ratings of individual members of a series, see Device Ratings and Specifications chart

Low Voltage Series

Units

Continous:

Steady State Applied Voltage:

Transient:

AC Voltage Range (VM(AC)RMS)

DC Voltage Range (VM(DC))

11 to 40

V

14 to 56

V

Non-Repetitive Surge Current, 8/20μs Waveform (I )

500 to 8,000

A

TM

Non-Repetitive Energy Capability, 2ms Waveform (WTM)

2.5 to 150

J

Operating Ambient Temperature Range (TA) for Epoxy coated

-40 to +85

°C

Operating Ambient Temperature Range (TA) for Phenolic coated

-40 to +125

°C

Storage Temperature Range (TSTG) for Epoxy coated

-40 to +125

°C

Storage Temperature Range (T ) for Phenolic coated

STG

-40 to +150

°C

Temperature Coefficient (DV) of Clamping Voltage (VC) at Specified Test Current

< 0.01%

°C

Hi-Pot Encapsulation (Isolation Voltage Capability) for Epoxy coated

2500

V

Hi-Pot Encapsulation (Isolation Voltage Capability) for Phenolic coated

500

V

Epoxy Coating Insulation Resistance

>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.

© 2013 Littelfuse, Inc.

Specifications are subject to change without notice.

Please refer to www.littelfuse.com for current information.

85

Revised: May 8, 2013

LV UltraMOVTM Series

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