ESD-FPL-13 데이터 시트보기 (PDF) - KEMET

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ESD-FPL-13

EMI Core ESD-FPL Series Solid Cores for Flat Cables

KEMET 

EMI Core

ESD-FPL Series Solid Cores for Flat Cables

Overview

The KEMET ESD-FPL Series solid

cores are designed for use on flat

cable. A wide range of sizes and

shapes are available.

Benefits

EMI Cores

Applications

Ring Type

• Solid construction

• Consumer electronics

• Thin and Minimal Gap typeTsips on EMI Core Usages

available

EMI Cores

Ring Type

Characteristics and how to count turns

　Number of turns are counted by how many times the lead wire

Tips on EMI Core Usages

hole of the core. Do not count the number of lead wire winding

EMI Cores

Characteristics and how to coun　t tWurhnesn desired performance can not be obtained just b

　Number of turns are counted byvahlouwe mcaannby etimraeissetdheblead wyirienpcraeasing th estsuersnth. rIonutghhistchaesien,ntehre

hole of the core. Do not count the nbuemcbheer cofkleedadtwhairet iwt iinsdiinngthe desired raonutgsiedeasthaedcdorien,gastuitrrnessurltessu

Turns and Impedance Characteristics Ring Type

　When desired performance can not be obtained just b

When the desired performance ofTaipns oEnMEIMcI oCorerecUasnagneostvalue can be raised b y incFriegausirneg1th– Hoewtutron.cIonutnhtistcuarsnes, the

y1

turn, impedance characteris（ticRs epr

e frequency ba1n0d000should

be obtained with a single pass

impedance characteristics can

turns.

through the core, the be checked that it is in the desired range as add

be changCheadrawctietrhismticus latnipdlheow to count turns

　Number of turns are counted by how many times the lead wire pa

hole of the core. Do not count the number of lead wire winding

i

n

g

turns resu

lts in lowering down

1000

（Represe ntative Example：ESD-R-16C）

10000

sses through the inner

outside the core, as it results Resonance point1c0h0anges to

the

lower b

A turn

which

is counted by

pass through

the

the

number of lead-wire windings

inner hole of the　vcalWouerheecan.ndWbeesiinrraedidsienpdegbrsformayncineccreaansninogt

be

th

obtained

e turn.

just b

In this

1T

case,

the

y1

1000

3T

turn,2imT pedance charac3tTeristics

100 e frequency ban2dT should

10

on the outside of

examples of one,

the core do not count.

two, and three turns.

bSeeceheFcikgeudrteha1t iftoisrin

the

1T

desired

range

2T

as

adFdiignugrte*u=N2rNunmu–smbreRbereeosrfluoaleftarideoawndirswehiwrieopupnabdsesoetuswttshiedlrteeostnuhigneihmclotohrpewee+iend1nraiennr gc1Tedoawndn

(Repre=sT3heuTornnl（etcaooRftutienhvpteerceoesrxeeanmtaptlieve1:0EExSaDm-pRl-e1：6CE)SD-R-16C）

ttuhren

count.

1

1

Adding turns will result in higher impedance while also *Number of lead wire wound outside the core + 1 10000

= Number of read wire passes through the inner

lowering the effective frequency range. See Figure 2 for hole of the core

= Turn count

1000

an example.

Fig.1　How

to

c1ount

1

turns

Resonanc1e0point

changes

to

lower

b10aFn0idg.2　Relation10s0h0 ip

be

3T

Frequency (MHz)

Fig.1　How to count turns 　There are tFwigo.2　mRaetl2aeTtiroinaslhsipobf eftewrereitneim, Npei-dZannceseanries and Mn-Zd ntursnecrounts

100

1T

Core Material and Effective Frequency Range 1T

　T2hT ere are two ma3Tterials of ferrite　, NNi1-0oZtnestehriaest anbdoMven-Zn ser e band rangiesi. Ni-Zn seriessais refereence

with actual instrument is necessary.

ive for kHz band range.

There

KEME

are two ferrite material options for *=NNumumbebreorfolefardeawdirwe iwreoup　nadssNoeusottsthidereottuhhgehacotthreae+bin1onevre

T EMI Cores:

Nickel-Zinc

(Ni-Zn)

andhole of the

= Turn count

core

with actual instrument

is

e band　raAng1seMi n-

necessary.adequ1 ate

Zn sersieas hreafserleonwceerornelys.i

10

100

insulatioFnreqbueefnocyre(MuHsze).

sEtxaanmcienactoiomn

1000

poaf

r

e

d

t

o

N

i-

Z

ns

s

e

r

ie

Manganese-Zinc (Mn-Zn). Each core material

has a different resistance and effective

　As Mn-Zn series has lower resistance compared to Ni-Zn series,

Fig.1　How taodceoqunutattuernins sulation before usFei.g.2　RelationshiMp bne-tZwneesneimripeesdvanscNe ai-nZn series

make sure to provide

d turn ｜coZu｜nt-sf Characteristics (re

frequency

has lower

rreasnigstea.nTcheecMomn-pZanrceodrteomthaeteNrii　a- lThere

are

two

materials

oMf fne-rZrinF(tReisg,eeNupriirer-eZe(smns3veessa–neNsurtiEira-eeZftmsfniveaesencnetdtericivMxoeenasndmb-itZaiponnnleds: me, rrmea｜anes1Zug0｜ar0ees0-dfuoCwrfehitMadhrsawnacm-i(tZtmeehnr-iedeissaaismtas.inucNemdsrnies-(eNmrZioe-nindep-nZisrrimeetnnsrcgeieofecnennosstrdriaersiii)ttotiiovennecr:eimonxrageemaecsmpuorlareeetd)e)wriiathl.same-dimensio

1000

ive for kHz band range.

Zn; therefore, be sure to provide adequat　eNote that above

e band range i

s a reference only. Examination of

s

insulation before use.

with actual instrument is necessary.

AM band range

　As Mn-Zn series has lower resistance comApMabreanddtroanNgei-Zn seri1e0s0,

makFMe sbuanrdertaongperovide

For reference, the Ni-Zn core material is adequate insulation before use1.00

NiZn series core

NiZn serie

typically effective for the frequencies in the

MHz band range such as the FM-band, while

Mn-Zn series vs Ni-Zn series

｜Z｜Mn-fZnCsheariersaccotreeristics (representative examMpnlZen) series core

(measurement condition: measured with same-dimension ring core)

the Mn-Zn core material is typically effective fo1r000

10

the kHz band range such as the AM-band. See

10

Figure 3.

AM band range

FM band range

It is recommended to verify actual

100

effectiveness in the target application with

measurements.

10

1

MnZn se0r.0ie1s core

0.1

Fig.3　

NiZn series core

1

1 0.01

10

Frequency (MHz)

Fig.3　

0.1

100

1

1000

10

Frequency (MHz)

One world. Otnee KEMET

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com

E5004_ESD-FPL • 3/29/2017 1

EMI C

1

0.01

0.1

1

10

100

1000

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