Ferrites and accessories
EELP 38, EILP 38
Core set (with and without clamp recess)
Series/Type:
Date:
B66289G, B66289P, B66459G, B66459P
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.
ELP 38/8/25
Core (with clamp recess)
Core set EELP 38
Combination: ELP 38/8/25 with ELP 38/8/25
■
To IEC 62317-9
■
Delivery mode: single units
B66289
ELP 38/8/25
30.8±0.6
7.6±0.2
4.45±0.15
6
38.1±0.8
FEK0371-P
Magnetic characteristics
(per set)
l/A
l
e
A
e
A
min
V
e
= 0.27 mm
–1
= 52.4 mm
= 194 mm
2
= 192 mm
2
= 10200 mm
3
Approx. weight
52 g/set
Ungapped
Material
N49
N92
N87
N97
A
L
value
nH
4850
±25%
5400
±25%
7200
±25%
7400
±25%
∝
e
1040
1160
1550
1590
P
V
W/set
< 2.60 ( 50 mT, 500 kHz, 100 °C)
< 6.65 (200 mT, 100 kHz, 100 °C)
< 6.05 (200 mT, 100 kHz, 100 °C)
< 5.15 (200 mT, 100 kHz, 100 °C)
Ordering code
(per piece)
B66289G0000X149
B66289G0000X192
B66289G0000X187
B66289G0000X197
Calculation factors
(for formulas, see
“E cores: general information”)
EELP 38:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
302
K2 (25 °C)
– 0.815
Calculation of saturation current
K3 (25 °C)
522
K4 (25 °C)
– 0.796
K3 (100 °C)
466
K4 (100 °C)
– 0.873
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 180 nH < A
L
< 1500 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
09/06
25.4±0.55
8.25±0.15
ELP 38/8/25 with I 38/4/25
Core (with clamp recess)
Core set EILP 38
Combination:
ELP 38/8/25 with I 38/4/25
■
To IEC 62317-9
■
Delivery mode: single units
B66289
ELP 38/8/25
30.8±0.6
7.6±0.2
4.45±0.15
8.25±0.15
I 38/4/25
7.6±0.2
Magnetic characteristics
(per set)
l/A
l
e
A
e
A
min
V
e
= 0.22 mm
–1
= 43.6 mm
= 194 mm
2
= 192 mm
2
= 8440 mm
3
38.1±0.8
FEK0371-P
25.4±0.55
0.3 max.
6
Approx. weight
44 g/set
38.1±0.8
FEK0372-X
Ungapped
Material A
L
value
nH
N49
N92
N87
N97
∝
e
P
V
W/set
Ordering code
(per piece)
5700
±25%
1000 < 2.20 ( 50 mT, 500 kHz, 100 °C) B66289G0000X149 (ELP core)
B66289P0000X149 (I core)
6200
±25%
1110 < 5.30 (200 mT, 100 kHz, 100 °C) B66289G0000X192 (ELP core)
B66289P0000X192 (I core)
8300
±25%
1450 < 5.15 (200 mT, 100 kHz, 100 °C) B66289G0000X187 (ELP core)
B66289P0000X187 (I core)
8400
±25%
1500 < 4.40 (200 mT, 100 kHz, 100 °C) B66289G0000X197 (ELP core)
B66289P0000X197 (I core)
Calculation factors
(for formulas, see
“E cores: general information”)
EILP 38:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
328
K2 (25 °C)
– 0.788
Calculation of saturation current
K3 (25 °C)
541
K4 (25 °C)
– 0.796
K3 (100 °C)
477
K4 (100 °C)
– 0.873
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 180 nH < A
L
< 1500 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
09/06
25.4±0.55
6
3.8±0.15
30.8±0.6
ELP 38/8/25
Core (without clamp recess)
Core set EELP 38
Combination: ELP 38/8/25 with ELP 38/8/25
■
To IEC 62317-9
■
Delivery mode: single units
B66459
ELP 38/8/25
30.8±0.6
7.6±0.2
4.45±0.15
25.4±0.55
38.1±0.8
FEK0406-L
Magnetic characteristics
(per set)
l/A
l
e
A
e
A
min
V
e
= 0.27 mm
–1
= 52.4 mm
= 194 mm
2
= 192 mm
2
= 10200 mm
3
Approx. weight
52 g/set
Ungapped
Material
N49
N92
N87
N97
A
L
value
nH
4850
±25%
5400
±25%
7200
±25%
7400
±25%
∝
e
1040
1160
1550
1590
P
V
W/set
< 2.60 ( 50 mT, 500 kHz, 100 °C)
< 6.65 (200 mT, 100 kHz, 100 °C)
< 6.05 (200 mT, 100 kHz, 100 °C)
< 5.15 (200 mT, 100 kHz, 100 °C)
Ordering code
(per piece)
B66459G0000X149
B66459G0000X192
B66459G0000X187
B66459G0000X197
Calculation factors
(for formulas, see
“E cores: general information”)
EELP 38:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
302
K2 (25 °C)
– 0.815
Calculation of saturation current
K3 (25 °C)
522
K4 (25 °C)
– 0.796
K3 (100 °C)
466
K4 (100 °C)
– 0.873
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 180 nH < A
L
< 1500 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
09/06
8.25±0.15
ELP 38/8/25 with I 38/4/25
Core (without clamp recess)
Core set EILP 38
Combination:
ELP 38/8/25 with I 38/4/25
■
To IEC 62317-9
■
Delivery mode: single units
B66459
ELP 38/8/25
30.8±0.6
7.6±0.2
4.45±0.15
8.25±0.15
I 38/4/25
0.3 max.
25.4±0.55
Magnetic
characteristics
(per set)
l/A
l
e
A
e
A
min
V
e
= 0.22 mm
–1
= 43.6 mm
= 194 mm
2
= 192 mm
2
= 8440 mm
3
38.1±0.8
25.4±0.55
38.1±0.8
FEK0406-L
FEK0407-U
Approx. weight
44 g/set
Ungapped
Material A
L
value
nH
N49
N92
N87
N97
∝
e
P
V
W/set
Ordering code
(per piece)
5700
±25%
1000 < 2.20 ( 50 mT, 500 kHz, 100 °C) B66459G0000X149 (ELP core)
B66459P0000X149 (I core)
6200
±25%
1110 < 5.30 (200 mT, 100 kHz, 100 °C) B66459G0000X192 (ELP core)
B66459P0000X192 (I core)
8300
±25%
1450 < 5.15 (200 mT, 100 kHz, 100 °C) B66459G0000X187 (ELP core)
B66459P0000X187 (I core)
8400
±25%
1500 < 4.40 (200 mT, 100 kHz, 100 °C) B66459G0000X197 (ELP core)
B66459P0000X197 (I core)
Calculation factors
(for formulas, see
“E cores: general information”)
EILP 38:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
328
K2 (25 °C)
– 0.788
Calculation of saturation current
K3 (25 °C)
541
K4 (25 °C)
– 0.796
K3 (100 °C)
477
K4 (100 °C)
– 0.873
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 180 nH < A
L
< 1500 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
09/06
3.8±0.15
30.8±0.6
7.6±0.2
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