Data Sheet
Data Sheet
Date:
September 2006
EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS' prior express consent is prohibited.
Ferrites and accessories
EELP 38, EILP 38
Core set (with and without clamp recess)
Series/Type:
B66289G, B66289P, B66459G, B66459P
2
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Core set EELP 38
Combination: ELP 38/8/25 with ELP 38/8/25
To IEC 62317-9
Delivery mode: single units
Magnetic characteristics (per set)
l/A = 0.27 mm
1
l
e
= 52.4 mm
A
e
= 194 mm
2
A
min
= 192 mm
2
V
e
= 10200 mm
3
Approx. weight 52 g/set
Ungapped
Calculation factors (for formulas, see "E cores: general information")
EELP 38:
Validity range:
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 180 nH < A
L
< 1500 nH
Material
A
L
value
nH
e
P
V
W/set
Ordering code
(per piece)
N49
4850
25%
1040
< 2.60 ( 50 mT, 500 kHz, 100 C)
B66289G0000X149
N92
5400
25%
1160
< 6.65 (200 mT, 100 kHz, 100 C)
B66289G0000X192
N87
7200
25%
1550
< 6.05 (200 mT, 100 kHz, 100 C)
B66289G0000X187
N97
7400
25%
1590
< 5.15 (200 mT, 100 kHz, 100 C)
B66289G0000X197
Material
Relationship between
air gap A
L
value
Calculation of saturation current
K1 (25 C)
K2 (25 C)
K3 (25 C)
K4 (25 C)
K3 (100 C)
K4 (100 C)
N87
302
0.815
522
0.796
466
0.873
FEK0371-P
4.450.15
7.60.2
30.80.6
8.250.15
6
25.40.55
38.10.8
ELP 38/8/25
B66289
Core (with clamp recess)
ELP 38/8/25
3
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Core set EILP 38
Combination:
ELP 38/8/25 with I 38/4/25
To IEC 62317-9
Delivery mode: single units
Magnetic characteristics (per set)
l/A = 0.22 mm
1
l
e
= 43.6 mm
A
e
= 194 mm
2
A
min
= 192 mm
2
V
e
= 8440 mm
3
Approx. weight 44 g/set
Ungapped
Calculation factors (for formulas, see "E cores: general information")
EILP 38:
Validity range:
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 180 nH < A
L
< 1500 nH
Material
A
L
value
nH
e
P
V
W/set
Ordering code
(per piece)
N49
5700
25% 1000 < 2.20 ( 50 mT, 500 kHz, 100 C) B66289G0000X149 (ELP core)
B66289P0000X149 (I core)
N92
6200
25% 1110 < 5.30 (200 mT, 100 kHz, 100 C) B66289G0000X192 (ELP core)
B66289P0000X192 (I core)
N87
8300
25% 1450 < 5.15 (200 mT, 100 kHz, 100 C) B66289G0000X187 (ELP core)
B66289P0000X187 (I core)
N97
8400
25% 1500 < 4.40 (200 mT, 100 kHz, 100 C) B66289G0000X197 (ELP core)
B66289P0000X197 (I core)
Material
Relationship between
air gap A
L
value
Calculation of saturation current
K1 (25 C)
K2 (25 C)
K3 (25 C)
K4 (25 C)
K3 (100 C)
K4 (100 C)
N87
328
0.788
541
0.796
477
0.873
FEK0371-P
4.450.15
7.60.2
30.80.6
8.250.15
6
25.40.55
38.10.8
FEK0372-X
0.3 max.
6
38.10.8
25.40.55
30.80.6
7.60.2
3.80.15
I 38/4/25
ELP 38/8/25
B66289
Core (with clamp recess)
ELP 38/8/25 with I 38/4/25
4
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Core set EELP 38
Combination: ELP 38/8/25 with ELP 38/8/25
To IEC 62317-9
Delivery mode: single units
Magnetic characteristics (per set)
l/A = 0.27 mm
1
l
e
= 52.4 mm
A
e
= 194 mm
2
A
min
= 192 mm
2
V
e
= 10200 mm
3
Approx. weight 52 g/set
Ungapped
Calculation factors (for formulas, see "E cores: general information")
EELP 38:
Validity range:
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 180 nH < A
L
< 1500 nH
Material
A
L
value
nH
e
P
V
W/set
Ordering code
(per piece)
N49
4850
25%
1040
< 2.60 ( 50 mT, 500 kHz, 100 C)
B66459G0000X149
N92
5400
25%
1160
< 6.65 (200 mT, 100 kHz, 100 C)
B66459G0000X192
N87
7200
25%
1550
< 6.05 (200 mT, 100 kHz, 100 C)
B66459G0000X187
N97
7400
25%
1590
< 5.15 (200 mT, 100 kHz, 100 C)
B66459G0000X197
Material
Relationship between
air gap A
L
value
Calculation of saturation current
K1 (25 C)
K2 (25 C)
K3 (25 C)
K4 (25 C)
K3 (100 C)
K4 (100 C)
N87
302
0.815
522
0.796
466
0.873
FEK0406-L
7.60.2
30.80.6
8.250.15
4.450.15
25.40.55
38.10.8
ELP 38/8/25
B66459
Core (without clamp recess)
ELP 38/8/25
5
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Core set EILP 38
Combination:
ELP 38/8/25 with I 38/4/25
To IEC 62317-9
Delivery mode: single units
Magnetic
characteristics (per set)
l/A = 0.22 mm
1
l
e
= 43.6 mm
A
e
= 194 mm
2
A
min
= 192 mm
2
V
e
= 8440 mm
3
Approx. weight 44 g/set
Ungapped
Calculation factors (for formulas, see "E cores: general information")
EILP 38:
Validity range:
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 180 nH < A
L
< 1500 nH
Material
A
L
value
nH
e
P
V
W/set
Ordering code
(per piece)
N49
5700
25% 1000 < 2.20 ( 50 mT, 500 kHz, 100 C) B66459G0000X149 (ELP core)
B66459P0000X149 (I core)
N92
6200
25% 1110 < 5.30 (200 mT, 100 kHz, 100 C) B66459G0000X192 (ELP core)
B66459P0000X192 (I core)
N87
8300
25% 1450 < 5.15 (200 mT, 100 kHz, 100 C) B66459G0000X187 (ELP core)
B66459P0000X187 (I core)
N97
8400
25% 1500 < 4.40 (200 mT, 100 kHz, 100 C) B66459G0000X197 (ELP core)
B66459P0000X197 (I core)
Material
Relationship between
air gap A
L
value
Calculation of saturation current
K1 (25 C)
K2 (25 C)
K3 (25 C)
K4 (25 C)
K3 (100 C)
K4 (100 C)
N87
328
0.788
541
0.796
477
0.873
FEK0406-L
7.60.2
30.80.6
8.250.15
4.450.15
25.40.55
38.10.8
FEK0407-U
7.60.2
30.80.6
3.80.15
0.3 max.
25.40.55
38.10.8
I 38/4/25
ELP 38/8/25
B66459
Core (without clamp recess)
ELP 38/8/25 with I 38/4/25
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