Datasheet > V26SM20

V26SM20

更新时间： 2024-10-04 06:02:27

品牌	Logo	应用领域
力特 - LITTELFUSE		压敏电阻
页数	文件大小	规格书
4页	254K
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Varistor Products - Surface Mount Varistors

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V26SM20 数据手册

Varistor Products

Surface Mount Varistors > SM20 Series

SM20 Varistor Series

Description

The Littelfuse 20mm SMD Series is a surface-mount

metal oxide varistor device, for use in applications

requiring hi-energy / transient current capability.

The AC rated parts are designed to operate

continuously across AC power lines. The DC rated

parts are suitable for Automotive applications. The

series comprises a Nylon molded package with folded

tin plated metal leads for soldering to board.

The SMD Series is based on radial 20mm internal

varistor element with similar characteristics to

the Littelfuse LA / ZA series of varistors.

Agency Approvals

Features

Agency

Agency File Number

•

DC Voltage

Rating 26VDC

•

Low voltage

E320116

devices speciﬁed

for automotive load

dump energy

AC Voltage Rating

175 - 320AC

Available in "wafﬂe"

tray packaging

No De-Rating up

to 85°C ambient

Lead-Free, Halogen-

Free and RoHS

Compliant

Absolute Maximum Ratings

• For ratings of individual members of a series, see Device Ratings and Speciﬁcations chart

Continuous

SM20 Series

Units

Steady State Applied Voltage:

AC Voltage Range (V_M(AC)RMS

)

20 to 320

DC Voltage Range (V_M(DC)

)

Transients:

Peak Pulse Current (I_TM) 8/20μs Current Wave, Single Pulse

Single Pulse Energy Capability (W_TM)10/1000μs Current Wave

Load Dump Energy Capability (td>=30ms)

up to 6500

165

160

Operating AmbientTemperature Range (T_A)

-40 to +85

-55 to +125

<0.01

^OC

%/^OC

StorageTemperature Range (T_STG

)

Temperature Coefﬁcient (a^V) of Clamping Voltage (V_C) at SpeciﬁedTest Current

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

2500

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.

SM20 SeriesVaristor

Speciﬁcations are subject to change without notice.

Revision: May 11, 2010

Please refer to www.littelfuse.com/series/sm20.html for current information.

12 3 4

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