Littelfuse ATMOV Varistor Series Manuel d'utilisateur télécharger pdf

Varistor Products

Speciﬁcations are subject to change without notice.

Revised: 02/18/14

Radial Leaded Varistors > ATMOV Series

LV UltraMOV

™

Series

Description

Features

Agency Approvals

Absolute Maximum Ratings

• For ratings of individual members of a series, see Device Ratings and Specications chart

Agency Agency File Number

E320116 (only Epoxy coated)

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.

ATMOV Varistor Series

RoHS

Low Voltage Series Units

Continous:

Steady State Applied Voltage:

AC Voltage Range (V

M(AC)RMS

) 14 to 42 V

DC Voltage Range (V

M(DC)

) 16 to 50 V

Transient:

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

) 400 to 5,000 A

Non-Repetitive Energy Capability, 2ms Waveform (W

) 1.0 to 140 J

Operating Ambient Temperature Range (T

) for Epoxy coated -40 to +85 °C

Operating Ambient Temperature Range (T

) for Phenolic coated -40 to +125 °C

Storage Temperature Range (T

STG

) for Epoxy coated -40 to +125 °C

Storage Temperature Range (T

STG

) for Phenolic coated -40 to +150 °C

Temperature Coefficient (αV) of Clamping Voltage (V

) 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

• Meets the stringent

quality standards of

AEC-Q200

(Table 10)

• Breakthrough in low

voltage varistor design

provides high peak

surge current rating

• Reduced footprint and

volume required for

surge protection

• Optional phenolic coating

for higher operating

temperature up to 125ºC

• High peak surge

current rating up to

5kA (8/20 μs pulse)

• Wide operating voltage

range: 14VAC to 42VAC

and 16VDC to 50VDC

• Five disc sizes available:

5, 7, 10, 14, and 20mm

• High resistance to

thermal cycles for

phenolic coating

• High energy absorption

particularly for automotive

load dump and jump start

• Lead–free, Halogen-Free

and RoHS compliant

Applications

• Body Electronics Systems

• Powertrain Systems

• Infotainment Systems

• Automotive Control

Module Protection

• Motor or inductive load

transient suppression

Phenolic Coated

Epoxy Coated

The Littelfuse ATMOV Series of low voltage, high surge cur-

rent, radial leaded varistors provides an ideal circuit protec-

tion for load dump, jump start voltage transient conditions

specically for automotive applications.

The maximum peak surge current rating is rated up to 5kA

(8/20 μs pulse) to protect sensitive infotainment systems

from voltage transients. This AEC-Q200 (Table 10) compli

ant series is available in ve disc sizes: 5mm, 7mm, 10mm,

14mm and 20mm; it features a wide VDC voltage range from

16V to 50V.

Note: These parts are in compliance with AEC–Q200 (Table 10).

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Littelfuse ATMOV Varistor Series Manuel d'utilisateur

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