Littelfuse TMOV 34S Varistor Series Manual do Utilizador descarregar pdf (Página 7)

229

Revised: December 16, 2013

Varistor Products

TMOV

34S Varistor Series

Industrial High Energy Thermally Protected Varistors > TMOV

34S Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/tmov34s.html for current information.

Hi–EnErgy MoV’s

TMOV

34S Series

Lead Material Tin–plated Copper

Soldering

Characteristics

SolderabilityperMIL–STD–202,

Method208E

Insulating Material

Cured, ﬂame retardant epoxy polymer

meetsUL94V–0requirements.

Device Labeling

MarkedwithLF,partidentier,and

date code

Physical Speciﬁcations

Operating/Storage

Temperature

-55°Cto+85°C/

-55°Cto+125°C

Humidity Aging

+85°C,85%RH,1000hours

+/-10%voltage

Thermal Shock

+85°Cto-40°C5times

+/-10%voltage

Solvent Resistance MIL–STD–202,Method215F

Moisture Sensitivity Level1,J–STD–020C

Environmental Speciﬁcations

Wave Solder Proﬁle

Because the TMOV

34S Series varistors contain a thermal protec-

tion device, care must be taken when soldering the devices into

place.Twosolderingmethodsarepossible.Firstly,handsoldering:

100

150

200

250

300

00.5 11.5 22.5 33.5 4

TIME(MINUTE

TEMPERATURE (ºC)

Maximum Wave 240C

Lead–free Proﬁle

100

150

200

250

300

00.5 11.5 22.5 33.5 4

TIME(MINUTES)

TEMPERATURE (ºC)

Maximum Wave 260C

Non Lead–free Proﬁle

Itisrecommendedtoheat–sinktheleadsofthedevice.Secondly,

wave–soldering:Itiscriticallyimportantthatallpreheatstageand

the solder bath temperatures are rigidly controlled.

Figure 5 Figure 6

Part Numbering System

TMOV34S M151

DEVICE FAMILY

Littelfuse Thermally Protected MOV

DISC SIZE (mm)

34 mm

CERAMIC SHAPE

S: Square

Series Designator

M: 3-Leaded TMOV34S Varistor Series

E: 2-Leaded TMOV34S Varistor Series

(alternative design)

Supplied in Bulk Pack

M(AC)RMS

11 5V to 750V

X2696

Optional Design

5 digit sufﬁx when alternative 3mm

wide monitor lead is required

Standard Parts

P: LEAD-FREE AND

RoHS COMPLIANT

OPTION

1 2 3 4 5 6 7 8

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