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ESD-R-14C датащи(PDF) 1 Page - Kemet Corporation

номер детали ESD-R-14C
подробное описание детали  Toroidal Cores
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производитель  KEMET [Kemet Corporation]
домашняя страница  http://www.kemet.com
Logo KEMET - Kemet Corporation

ESD-R-14C датащи(HTML) 1 Page - Kemet Corporation

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© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
E5001_ESD-R • 3/28/2017
One world. One KEMET
Overview
The KEMET ESD-R Series solid
toroidal cores are designed for use on
round cable. A wide range of MnZn
and NiZn options are available in Bare,
Coated, and Case types.
Benefits
• MnZn(≤100MHz,AMbandrange)
andNiZn(≤300MHz,FMband
range) options available
• Solid construction
• Bare, Coated, and Case types
available
Applications
• Consumer
electronics
EMI Core
ESD-R Series Toroidal Cores
EMI Core
8
Ring Type
e
bESD-R Series
OD
T
Installation Example
Shape and Dimensions
Toroidal Cores (Bare Type)
[RoHS Compliant]
Toroidal Cores (Bare Type)
[RoHS Compliant]
ESD-R-10D
9.5
5.0
10.0
ESD-R-10E
10.0
5.0
5.0
ESD-R-10S
10.5
5.5
20.0
ESD-R-12C
11.8
7.3
15.0
ESD-R-12E
11.8
7.3
8.0
ESD-R-12F
12.0
8.5
15.0
ESD-R-12S
12.0
7.0
5.5
ESD-R-14C
14.0
7.0
3.0
ESD-R-14E
14.0
10.0
8.0
ESD-R-14S
14.3
6.3
28.5
ESD-R-15C-1
15.0
10.5
12.0
ESD-R-16
15.8
11.6
8.4
ESD-R-16C
16.0
9.0
17.0
ESD-R-17S
17.5
9.5
28.5
ESD-R-18SD
18.0
10.0
6.0
ESD-R-19S
18.5
10.0
10.0
ESD-R-19SD
18.5
10.0
10.0
ESD-R-22SD
22.5
13.8
6.4
ESD-R-25SD
25.0
15.0
12.0
ESD-R-25S
25.0
15.0
12.0
ESD-R-26S
26.0
13.0
28.5
ESD-R-28C
28.0
16.0
13.0
ESD-R-31C
31.0
19.0
8.0
ESD-R-38D
38.1
19.0
12.7
Model
Dimensions (mm)
Frequency range
OD
ID
T
up to 100MHz(mainly AM band range)
up to 300MHz(mainly FM band range)
※Other sizes available. Please contact NEC TOKIN.
※Above frequency range is a reference only. Please test with actual device before use.
EMI Core
12
Ring Type
Ring Type
1
10
100
1000
1
10000
1000
100
10
1T
2T
3T
Frequency (MHz)
ESD-R-12C-2
1
10000
1000
100
10
1T
2T
3T
1
10
100
1000
Frequency (MHz)
ESD-R-14A
Impedance vs. Frequency
Toroidal Cores (Coated Type)
[RoHS Compliant]
Toroidal Cores (Coated Type)
[RoHS Compliant]
bESD-R Series
OD
T
Shape and Dimensions
ESD-R-12C-2
12.0
7.3
15.3
Blue
ESD-R-14A
15.0
6.2
3.5
Green
ESD-R-14C-2
14.0
7.0
3.0
Blue
ESD-R-14C
ESD-R-15C
15.2
10.5
12.5
Blue
ESD-R-15C-1
ESD-R-17S-1
17.7
9.4
28.8
Blue
ESD-R-17S
ESD-R-19E-1
19.0
10.7
5.3
Blue
ESD-R-25D-8
25.0
15.0
8.0
Blue
ESD-R-25L-A
25.3
15.1
12.1
Blue
ESD-R-25SD
ESD-R-28C-1
28.2
15.8
13.2
Blue
ESD-R-31C-1
32.0
18.5
9.0
Green
ESD-R-31C
※Above frequency range is a reference only. Please test with actual device before use.
Model
Dimensions (mm)
Frequency range
Color of coating
Compatible toroidal core
OD
ID
T
up to 100MHz
up to 300MHz
(bare type)
(mainly AM band range)
(mainly FM band range)
EMI Core
14
Ring Type
Toroidal Cores with Case
[RoHS Compliant]
Toroidal Cores with Case
[RoHS Compliant]
OD
T
bESD-R Series
Shape and Dimensions
1
10
100
1000
1
10000
1000
100
10
1T
2T
3T
ESD-R-12D
Frequency (MHz)
1
10000
1000
100
10
1T
2T
3T
1
10
100
1000
Frequency (MHz)
ESD-R-19
Impedance vs. Frequency
ESD-R-12D
12.9
6.0
6.4
black
ESD-R-12S
ESD-R-19
19.0
9.0
11.0
white
ESD-R-19S
ESD-R-19D
19.0
9.0
11.0
black
ESD-R-19SD
ESD-R-25
26.0
14.0
15.0
white
ESD-R-25S
ESD-R-25D
26.0
14.0
15.0
black
ESD-R-25SD
ESD-R-38
39.0
17.5
14.0
white
ESD-R-38D
ESD-R-38C-1
39.0
17.5
14.0
with tape(black)
white
ESD-R-47
48.0
25.5
16.0
white
ESD-R-47D-1
48.0
25.5
16.0
with tape(black)
white
ESD-R-57
61.0
32.4
24.0
white
ESD-R-57D-1
61.0
32.4
24.0
with tape(black)
white
Model
Dimensions (mm)
Frequency range
Remarks
Color of case
Compatible toroidal core
OD
ID
T
up to 100MHz
up to 300MHz
(bare type)
(mainly AM band range)
(mainly FM band range)
※Above frequency range is a reference only. Please test with actual device before use.
※Flame resistant grade of the case : UL94V-2
Turns and Impedance Characteristics
When the desired performance of an EMI core cannot
be obtained with a single pass through the core, the
impedance characteristics can be changed with multiple
turns.
A turn is counted by the number of lead-wire windings
which pass through the inner hole of the core. Windings
ontheoutsideofthecoredonotcount.SeeFigure1for
examples of one, two, and three turns.
Adding turns will result in higher impedance while also
loweringtheeffectivefrequencyrange.SeeFigure2for
an example.
Core Material and Effective Frequency Range
There are two ferrite material options for
KEMET EMI Cores: Nickel-Zinc (Ni-Zn) and
Manganese-Zinc (Mn-Zn). Each core material
has a different resistance and effective
frequency range. The Mn-Zn core material
has lower resistance compared to the Ni-
Zn; therefore, be sure to provide adequate
insulation before use.
Forreference,theNi-Zncorematerialis
typically effective for the frequencies in the
MHzbandrangesuchastheFM-band,while
the Mn-Zn core material is typically effective for
thekHzbandrangesuchastheAM-band.See
Figure3.
It is recommended to verify actual
effectiveness in the target application with
measurements.
EMI Core
5
EMI Cores
Ring Type
 There are two materials of ferrite, Ni-Zn series and Mn-Zn ser
ies. Ni-Zn series is
e
ive for kHz band range.
 Note that above
e band range i
s a reference only. Examination of
s
with actual instrument is necessary.
 As Mn-Zn series has lower resistance compared to Ni-Zn series,
make sure to provide
adequate insulation before use.
Characteristics and how to count turns
 Number of turns are counted by how many times the lead wire pa
sses through the inner
hole of the core. Do not count the number of lead wire winding
outside the core, as it results
 When desired performance can not be obtained just b
y 1 turn, impedance characteristics
value can be raised b
y increasing th
e turn. In this case, the
e frequency band should
be checked that it is in the desired range as adding turns resu
lts in lowering down the
Tips on EMI Core Usages
(Represe ntative Example:ESD-R-16C)
Fig.1
 How to count turns
Fig.2
 Relationship between impedance an
d turn counts
*Number of lead wire wound outside the core + 1
= Number of read wire passes through the inner
hole of the core
= Turn count
Mn-Zn series vs Ni-Zn series
|Z|-f Characteristics (representative example)
(measurement condition: measured with same-dimension ring core)
Fig.3
 
te
AM band range
FM band range
MnZn series core
NiZn series core
1000
100
10
1
0.01
0.1
1
10
100
1000
Resonance point changes to lower band
3T
2T
1T
Frequency (MHz)
Frequency (MHz)
10000
1
10
100
1000
1000
100
10
1
3T
2T
1T
Figure 1 – How to count turns
EMI Core
5
EMI Cores
Ring Type
 There are two materials of ferrite, Ni-Zn series and Mn-Zn ser
ies. Ni-Zn series is
e
ive for kHz band range.
 Note that above
e band range i
s a reference only. Examination of
s
with actual instrument is necessary.
 As Mn-Zn series has lower resistance compared to Ni-Zn series,
make sure to provide
adequate insulation before use.
Characteristics and how to count turns
 Number of turns are counted by how many times the lead wire pa
sses through the inner
hole of the core. Do not count the number of lead wire winding
outside the core, as it results
 When desired performance can not be obtained just b
y 1 turn, impedance characteristics
value can be raised b
y increasing th
e turn. In this case, the
e frequency band should
be checked that it is in the desired range as adding turns resu
lts in lowering down the
Tips on EMI Core Usages
(Represe ntative Example:ESD-R-16C)
Fig.1
 How to count turns
Fig.2
 Relationship between impedance an
d turn counts
*Number of lead wire wound outside the core + 1
= Number of read wire passes through the inner
hole of the core
= Turn count
Mn-Zn series vs Ni-Zn series
|Z|-f Characteristics (representative example)
(measurement condition: measured with same-dimension ring core)
Fig.3
 
te
AM band range
FM band range
MnZn series core
NiZn series core
1000
100
10
1
0.01
0.1
1
10
100
1000
Resonance point changes to lower band
3T
2T
1T
Frequency (MHz)
Frequency (MHz)
10000
1
10
100
1000
1000
100
10
1
3T
2T
1T
Figure 2 – Relationship between impedance and turn count.
(Representative example: ESD-R-16C)
EMI Core
5
EMI Cores
Ring Type
 There are two materials of ferrite, Ni-Zn series and Mn-Zn ser
ies. Ni-Zn series is
e
ive for kHz band range.
 Note that above
e band range i
s a reference only. Examination of
s
with actual instrument is necessary.
 As Mn-Zn series has lower resistance compared to Ni-Zn series,
make sure to provide
adequate insulation before use.
Characteristics and how to count turns
 Number of turns are counted by how many times the lead wire pa
sses through the inner
hole of the core. Do not count the number of lead wire winding
outside the core, as it results
 When desired performance can not be obtained just b
y 1 turn, impedance characteristics
value can be raised b
y increasing th
e turn. In this case, the
e frequency band should
be checked that it is in the desired range as adding turns resu
lts in lowering down the
Tips on EMI Core Usages
(Represe ntative Example:ESD-R-16C)
Fig.1
 How to count turns
Fig.2
 Relationship between impedance an
d turn counts
*Number of lead wire wound outside the core + 1
= Number of read wire passes through the inner
hole of the core
= Turn count
Mn-Zn series vs Ni-Zn series
|Z|-f Characteristics (representative example)
(measurement condition: measured with same-dimension ring core)
Fig.3
 
te
AM band range
FM band range
MnZn series core
NiZn series core
1000
100
10
1
0.01
0.1
1
10
100
1000
Resonance point changes to lower band
3T
2T
1T
Frequency (MHz)
Frequency (MHz)
10000
1
10
100
1000
1000
100
10
1
3T
2T
1T
Figure 3 – Effective band range of Mn-Zn and Ni-Zn ferrite core material.
(Representative example, measured with same-dimension ring core)


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