Datasheet > E3490-AL_13

E3490-AL_13

更新时间： 2024-09-28 01:25:59

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线艺 - COILCRAFT		/
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2页	276K
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Common Mode Line Chokes

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E3490-AL_13 数据手册

Document 141-1

Common Mode Line Chokes

–

EE Styles

• Low cost

• 3 mm creepage and clearance from all terminations to the

core

• 3750 Vrms, one minute isolation between windings

• UL1446 Class B (130°C) Insulation System (UL File E83628)

• Industry-standard EE25 size

• Wide range of available inductances and current ratings

Coilcraft Designer’s Kit No. P402 contains samples

of eight standard EE and toroidal common mode line

chokes. To order, contact Coilcraft or purchase on-line at

buy.coilcraft.com.

Coilcraft common mode standard packages incorporate

several features to help meet the requirements of major

safety agencies.These include 2 mm thick center ﬂanges

and 3 mm creepage and clearance from all terminations

to the core.

alone. Use of common mode chokes therefore reduces

component count as well as inductor size.

Combining both common and differential mode chokes

gives the power supply designer the added ﬂexibility

required to adjust the ﬁltering to meet FCC, VDE, and

other requirements as well as optimize the circuit for the

particular noise levels and frequencies produced by each

power supply design.

Common mode chokes are used to reduce AC line con-

ducted interference produced by switching power supplies.

This conﬁguration produces opposing magnetic ﬂuxes in

the core that serve to cancel in-phase noise signals ap-

pearing across the AC line.

The Coilcraft packaging of common mode chokes allows

windings to be balanced within 1% and features the cost

effectiveness of standard EE core styles.

This mode allows much more ﬁltering capability in a given

core size than would be possible using differential ﬁltering

Schematic

Typical Application

0.005 µF

input

0.1 µF

0.005 µF

Document 141-1 Revised 04/20/12

US +1-847-639-6400 sales@coilcraft.com

UK +44-1236-730595 sales@coilcraft-europe.com

Taiwan +886-2-2264 3646 sales@coilcraft.com.tw

China +86-21-6218 8074 sales@coilcraft.com.cn

Singapore + 65-6484 8412 sales@coilcraft.com.sg

This product may not be used in medical or high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check web site for latest information.

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