© 2014 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 11/12/14

Varistor Products

Description

The UltraMOV™ Metal Oxide Varistor Series is designed

for applications requiring high peak surge current ratings

and high energy absorption capability. UltraMOV™

varistors are primarily intended for use in AC Line Voltage

applications such as Transient Voltage Surge Suppressors

(TVSS), Uninterruptable Power Supplies (UPS), AC Power

Taps, AC Power Meters, or other products that require

voltage clamping of high transient surge currents from

sources such as lightning, inductive load switching, or

capacitor bank switching.

These devices are produced in radial lead package sizes of

7,10,14 and 20mm and offered in a variety of lead forms.

UltraMOVs™ are manufactured with recognized epoxy

encapsulation and are rated for ambient temperatures up

to 85ºC with no derating. This Series is LASER-branded and

is supplied in bulk, ammo pack (fan-fold), or tape and reel

packaging.

Features

• Lead–free, Halogen-Free

and RoHS compliant.

• Highpeaksurge

current rating (I

to 10kA, single 8 x

20 pulse, (20mm)

• Standardoperating

voltage range compatible

with common AC

line voltages (130

V

• Characterizedfor

maximum standby

current (Leakage)

• Customvoltage

types available

• Standardleadformand

lead space options

Agency Approvals

Absolute Maximum Ratings

•Forratingsofindividualmembersofaseries,seeDeviceRatingsandSpecificationschart

Agency Approval

Agency File

Number

UL1449

E320116

CECC 42201-006

IEC 61051-1

IEC 61051-2

IEC 60950-1 (Annex Q) for 14mm

and 20mm only

116895

CSA 2221 01

LR91788

CECC 42201-006

IEC 61051-1

IEC 61051-2

IEC 60950-1 (Annex Q) for 14mm

and 20mm only

E1273/F

Continuous

UltraMOV™ Series

Units

Steady State Applied Voltage:

AC Voltage Range (V

130 to 625

V

Transients:

Single-Pulse Peak Current (I

1,750 to 10,000

A

Single-Pulse Energy Range (W

12.5 to 400

J

Operating Ambient Temperature Range (T

-55 to +85

ºC

Storage Temperature Range (T

-55 to +125

ºC

<0.01

%/ºC

Hi-Pot Encapsulation (COATING Isolation Voltage Capability)

2500

V

COATING Insulation Resistance

1000

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.

RoHS

Additional Information

Datasheet

Samples

Resources