Ferrites and accessories
ELP 43/10/28 with I 43/4/28
Cores (with and without clamp recess)
Series/Type:
Date:
B66291G, B66291K, B66461G, B66461K
May 2017
EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS’ prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
ELP 43/10/28
Core (with clamp recess)
Core set EELP 43
Combination: ELP 43/10/28 with ELP 43/10/28
■
To IEC 62317-9
■
Delivery mode: single units
B66291
ELP 43/10/28
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.274 mm
–1
= 61.6 mm
= 225 mm
2
= 217 mm
2
= 13748 mm
3
Approx. weight
70 g/set
Ungapped
Material A
L
value
nH
N49
N92
N87
N97
N95
5000
±25%
5500
±25%
7300
±25%
7500
±25%
9000
±25%
μ
e
1070
1170
1560
1590
2012
B
S
*
mT
250
350
300
310
310
P
V
W/set
< 3.5 ( 50 mT, 500 kHz, 100 °C)
< 9.0 (200 mT, 100 kHz, 100 °C)
< 8.0 (200 mT, 100 kHz, 100 °C)
< 7.0 (200 mT, 100 kHz, 100 °C)
Ordering code
(per piece)
B66291G0000X149
B66291G0000X192
B66291G0000X187
B66291G0000X197
< 8.25 (200 mT, 100 kHz, 25 °C) B66291G0000X195
< 7.50 (200 mT, 100 kHz, 100 °C)
* H = 250 A/m; f = 10 kHz; T = 100 °C
Gapped
(A
L
values/air gaps examples)
Material
g
mm
N87
0.1 ±0.02
1.0 ±0.05
A
L
value
approx.
nH
2225
355
μ
e
Ordering code
470
75
B66291G0100X187
B66291G1000X187
Other A
L
values/air gaps and materials available on request – see Processing remarks on page 6.
Calculation factors
(for formulas, see
“E cores: general information”
)
EELP 43:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
358
K2 (25 °C)
–0.794
Calculation of saturation current
K3 (25 °C)
597
K4 (25 °C)
–0.796
K3 (100 °C) K4 (100 °C)
540
–0.873
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 200 nH < A
L
< 2200 nH
2
5/17
Please read
Cautions and warnings
and
Important notes
at the end of this document.
ELP 43/10/28 with I 43/4/28
Core (with clamp recess)
Core set EILP 43
Combination:
ELP 43/10/28 with I 43/4/28
■
To IEC 62317-9
■
Delivery mode: single units
B66291
ELP 43/10/28
I 43/4/28
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.225 mm
–1
= 50.8 mm
= 225 mm
2
= 217 mm
2
= 11430 mm
3
Approx. weight
60 g/set
Ungapped
Mate- A
L
value
μ
e
nH
rial
N49
N92
N87
N97
5900
±25%
6400
±25%
8500
±25%
8700
±25%
B
S
*
mT
P
V
W/set
Ordering code
(per piece)
1030 250
1120 350
1480 300
1525 310
< 3.0 ( 50 mT, 500 kHz, 100 °C) B66291G0000X149 (ELP core)
B66291K0000X149 (I core)**
< 7.8 (200 mT, 100 kHz, 100 °C) B66291G0000X192 (ELP core)
B66291K0000X192 (I core)**
< 7.0 (200 mT, 100 kHz, 100 °C) B66291G0000X187 (ELP core)
B66291K0000X187 (I core)**
< 6.0 (200 mT, 100 kHz, 100 °C) B66291G0000X197 (ELP core)
B66291K0000X197 (I core)**
* H = 250 A/m; f = 10 kHz; T = 100 °C
** Plate-type tool
Other A
L
values/air gaps and materials available on request – see Processing remarks on page 6.
Calculation factors
(for formulas, see
“E cores: general information”
)
EILP 43:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
390
K2 (25 °C)
–0.784
Calculation of saturation current
K3 (25 °C)
621
K4 (25 °C)
–0.796
K3 (100 °C) K4 (100 °C)
553
–0.873
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 200 nH < A
L
< 2200 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
5/17
ELP 43/10/28
Core (without clamp recess)
Core set EELP 43
Combination: ELP 43/10/28 with ELP 43/10/28
■
To IEC 62317-9
■
Delivery mode: single units
B66461
ELP 43/10/28
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.274 mm
–1
= 61.6 mm
= 225 mm
2
= 217 mm
2
= 13748 mm
3
Approx. weight
70 g/set
Ungapped
Material A
L
value
nH
N49
N92
N87
N97
N95
5000
±25%
5500
±25%
7300
±25%
7500
±25%
9000
±25%
μ
e
1070
1170
1560
1590
2012
B
S
*
mT
250
350
300
310
310
P
V
W/set
Ordering code
(per piece)
< 3.50 ( 50 mT, 500 kHz, 100 °C) B66461G0000X149
< 9.00 (200 mT, 100 kHz, 100 °C) B66461G0000X192
< 8.00 (200 mT, 100 kHz, 100 °C) B66461G0000X187
< 7.00 (200 mT, 100 kHz, 100 °C) B66461G0000X197
< 8.25 (200 mT, 100 kHz, 25 °C) B66461G0000X195
< 7.50 (200 mT, 100 kHz, 100 °C)
* H = 250 A/m; f = 10 kHz; T = 100 °C
Other A
L
values/air gaps and materials available on request – see Processing remarks on page 6.
Calculation factors
(for formulas, see
“E cores: general information”
)
EELP 43:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
358
K2 (25 °C)
–0.794
Calculation of saturation current
K3 (25 °C)
597
K4 (25 °C)
–0.796
K3 (100 °C) K4 (100 °C)
540
–0.873
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 200 nH < A
L
< 2200 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
5/17
ELP 43/10/28 with I 43/4/28
Core (without clamp recess)
Core set EILP 43
Combination:
ELP 43/10/28 with I 43/4/28
■
To IEC 62317-9
■
Delivery mode: single units
B66461
ELP 43/10/28
I 43/4/28
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.225 mm
–1
= 50.8 mm
= 225 mm
2
= 217 mm
2
= 11430 mm
3
Approx. weight
60 g/set
Ungapped
Mate- A
L
value
μ
e
nH
rial
N49
N92
N87
N97
5900
±25%
6400
±25%
8500
±25%
8700
±25%
B
S
*
mT
P
V
W/set
Ordering code
(per piece)
1030 250
1120 350
1480 300
1525 310
< 3.0 ( 50 mT, 500 kHz, 100 °C) B66461G0000X149 (ELP core)
B66461K0000X149 (I core)**
< 7.8 (200 mT, 100 kHz, 100 °C) B66461G0000X192 (ELP core)
B66461K0000X192 (I core)**
< 7.0 (200 mT, 100 kHz, 100 °C) B66461G0000X187 (ELP core)
B66461K0000X187 (I core)**
< 6.0 (200 mT, 100 kHz, 100 °C) B66461G0000X197 (ELP core)
B66461K0000X197 (I core)**
* H = 250 A/m; f = 10 kHz; T = 100 °C
** Plate-type tool
Other A
L
values/air gaps and materials available on request – see Processing remarks on page 6.
Calculation factors
(for formulas, see
“E cores: general information”
)
EILP 43:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
390
K2 (25 °C)
–0.784
Calculation of saturation current
K3 (25 °C)
621
K4 (25 °C)
–0.796
K3 (100 °C) K4 (100 °C)
553
–0.873
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 200 nH < A
L
< 2200 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
5/17
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