V18MA1A Littelfuse Inc, V18MA1A Datasheet

V18MA1A

Manufacturer Part Number

V18MA1A

Description

VARISTOR 18V 1MA .06J 3MM AXIAL

Manufacturer

Littelfuse Inc

Datasheets

1.V220MA2A.pdf (5 pages)

2.V18MA1A.pdf (5 pages)

Specifications of V18MA1A

Varistor Voltage

18V

Current-surge

40A

Number Of Circuits

Maximum Ac Volts

9VAC

Maximum Dc Volts

13VDC

Energy

0.06J

Package / Case

Axial

Suppressor Type

Transient Current

Peak Surge Current @ 8/20Âµs

40A

Clamping Voltage Vc Max

49V

Peak Energy (10/1000us)

0.06J

Voltage Rating Vdc

13V

Voltage Rating Vac

Product

MOV

Voltage Rating Dc

13 V

Voltage Rating Ac

9 V

Clamping Voltage

49 V

Peak Surge Current

40 A

Capacitance

550 pF

Operating Temperature Range

- 55 C to + 85 C

Mounting

Radial

Dimensions

3 mm Dia.

Termination Style

Axial

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

F2271
V18MA1A

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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 V18MA1A

V18MA1A 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

... 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 18C 10 14 V22MA1A 22A 10 15 V22MA1B 22B 14 18 V22MA1S 22S 14 18 V27MA1A 27A 13 19 V27MA1B 27B 17 22 ...

Page 3

... Furthermore, the operating values need to be derated at high temperatures as shown above. Because varistors can only dissipate a relatively small amount of average power they are, therefore, not suitable for repetitive applications that involve substantial amounts of average power dissipation. Repetitive Surge Capability V18MA - V100MA 50 1 DISC SIZE 3mm 2 V18MA1A - V100MA4B ...

Page 4

... Axial Lead / Application Speciﬁc Varistors > MA Series Maximum Clamping Voltage V18MA1A/S - V100MA4A/S 800 MAX CLAMPING VOLTAGE V100MA4A/S DISC SIZE 3mm V82MA3A/S 600 18 TO 100V RATING N(DC) V68MA3A - 400 A V56MA2A/S 300 200 150 100 V27MA1A/S 30 V22MA1A/S V18MA1A Figure 5 PEAK AMPERES (A) V120MA1A/S - V430MA3A ...

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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