V18MA1B Littelfuse Inc, V18MA1B Datasheet

V18MA1B

Manufacturer Part Number

V18MA1B

Description

VARISTOR 18V 1MA .07J 3MM AXIAL

Manufacturer

Littelfuse Inc

Series

MAr

Type

MOVr

Datasheets

1.V220MA2A.pdf (5 pages)

2.V18MA1A.pdf (5 pages)

Specifications of V18MA1B

Varistor Voltage

18V

Current-surge

40A

Number Of Circuits

Maximum Ac Volts

10VAC

Maximum Dc Volts

14VDC

Energy

0.07J

Package / Case

Axial

Suppressor Type

Varistor

Peak Surge Current @ 8/20Âµs

40A

Clamping Voltage Vc Max

44V

Peak Energy (10/1000us)

0.07J

Voltage Rating Vdc

14V

Voltage Rating Vac

10V

Product

MOV

Voltage Rating Dc

14 V

Voltage Rating Ac

10 V

Clamping Voltage

44 V

Peak Surge Current

40 A

Surge Energy Rating

0.60 J

Capacitance

550 pF

Operating Temperature Range

- 55 C to + 85 C

Mounting

Radial

Dimensions

3 mm Dia. x 31.0 mm L

Termination Style

Axial

Brand/series

MA Series

Current, Peak

40 A

Energy Rating

0.06 Joules

Package

Leads

Technology

Metal Oxide

Voltage, Ac

9 VAC

Voltage, Clamping

44 V

Voltage, Dc

13 VDC

Voltage, Varistor

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

F2272
V18MA1B

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Speciﬁcations are subject to change without notice.

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

RoHS

Continuous

Steady State Applied Voltage:

Transient:

Peak Pulse Current (I

Operating Ambient Temperature Range (T

Storage Temperature Range (T

Temperature Coefficient ( V) of Clamping Voltage (V

Hi-Pot Encapsulation (COATING Isolation Voltage Capability)

Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301)

COATING Insulation Resistance

Agency Approvals

Absolute Maximum Ratings

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.

Agency

MA Varistor Series

AC Voltage Range (V

DC Voltage Range (V

For 8/20μs Current Wave(See Figure 2)

Single-Pulse Energy Range

For 2ms Current Square Wave (W

)

STG

Agency File Number

)

None

M(AC)RMS

M(DC)

)

Varistor Products

Axial Lead / Application Speciﬁc Varistors > MA Series

)

) at Specified Test Current

)

Revision: January 9, 2009

183

Description

The MA Series of transient surge suppressors are axial

lead Metal Oxide Varistors (MOVs) for use in a wide

variety of board level industrial and commercial electronic

equipment. They are intended to protect components and

signal/data lines from low energy transients where the

small axial lead package is required.

The MA Series is offered with standard ('S' sufﬁx) or

tightened ('B' sufﬁx) clamping voltage.

See MA Series Device Ratings and Speciﬁcations Table for

part number and brand information.

Features

disc size

package

range:

M(AC)RMS

M(DC)

13V to 365V

9V to 264V

-55 to +125

MA Series

0.06 to 1.7

-55 to +85

13 to 365

40 to 100

9 to 264

<0.01

1000

Units

%/°C

MΩ

°C

reel or bulk packaging

85ºC ambient

improved performance

for high temperature

Lead-free wave

soldering process.

MA Varistor Series

Related parts for V18MA1B

V18MA1B Summary of contents

Page 1

MA Varistor Series RoHS Agency Approvals Agency Agency File Number None Absolute Maximum Ratings Continuous Steady State Applied Voltage: AC Voltage Range (V M(AC)RMS DC Voltage Range (V M(DC) Transient: Peak Pulse Current ( For 8/20μs Current Wave(See ...

Page 2

Axial Lead / Application Speciﬁc Varistors > MA Series MA Series Ratings & Speciﬁcations Maximum Rating (85°C) Continuous Part Brand V V Number (mm) RMS V V M(AC) M(DC) (V) (V) V18MA1A 18A 9 13 V18MA1A 18B 10 14 V18MA1A ...

Page 3

Power Dissipation Ratings 100 - 100 110 AMBIENT TEMPERATURE ( Figure 1 Should transients occur in rapid succession, the average power dissipation required is simply ...

Page 4

... V330MA2A V270MA2A 1,500 V220MA2A 1,000 800 600 400 200 V150MA1A V120MA1A/S 100 - Figure 7 PEAK AMPERES (A) MA Varistor Series Varistor Products V18MA1B - V100MA4B 600 MAX CLAMPING VOLTAGE 500 DISC SIZE 3mm 400 18 TO 100V T = -55 300 A 200 100 V47MA2A/S V39MA2A/S 40 V33MA1A ...

Page 5

Wave Solder Proﬁle Non Lead–free Proﬁle 300 Maximum Wave 240C 250 200 150 100 0.5 1 1.5 2 2.5 Figure 9 TIME(MINUTES) Product Dimensions (diameter) Inches Symbol Min Max Øb 0.024 0.026 ØD 0.118 ...

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