Ferrites and accessories
ELP 32/6/20 with I 32/3/20
Cores and accessories (with and without clamp recess)
Series/Type:
Date:
B66287G, B65808, B66287K, B66288, B66457G, B66457K
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 32/6/20
Core (with clamp recess)
Core set EELP 32
Combination: ELP 32/6/20 with ELP 32/6/20
■
To IEC 62317-9
■
Delivery mode: single units
B66287
ELP 32/6/20
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.32 mm
–1
= 41.4 mm
= 130 mm
2
= 128 mm
2
= 5390 mm
3
Approx. weight
28 g/set
Ungapped
Material A
L
value
nH
N49
N92
N87
N97
N95
3900
±25%
4300
±25%
5700
±25%
5700
±25%
6900
±25%
μ
e
990
1090
1450
1440
1740
B
S
*
mT
250
350
300
310
310
P
V
W/set
Ordering code
(per piece)
< 1.40 ( 50 mT, 500 kHz, 100 °C) B66287G0000X149
< 3.70 (200 mT, 100 kHz, 100 °C) B66287G0000X192
< 3.40 (200 mT, 100 kHz, 100 °C) B66287G0000X187
< 2.60 (200 mT, 100 kHz, 100 °C) B66287G0000X197
< 3.40 (200 mT, 100 kHz, 25 °C) B66287G0000X195
< 3.10 (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
0.26 ±0.02
0.40 ±0.02
A
L
value
approx.
nH
625
440
μ
e
Ordering code
N87
155
112
B66287G0260X187
B66287G0400X187
Other A
L
values/air gaps and materials available on request – see Processing remarks on page 8.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
5/17
ELP 32/6/20
Core and accessories (with clamp recess)
Calculation factors
(for formulas, see
“E cores: general information”
)
EELP 32:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
Clamp
Ordering code per piece, 2 pieces required
Ordering code: B65808J2204X000
208
K2 (25 °C)
–0.819
Calculation of saturation current
K3 (25 °C)
367
K4 (25 °C)
–0.796
K3 (100 °C) K4 (100 °C)
322
–0.873
B66287, B65808
K1, K2: 0.10 mm < s < 1.50 mm
K3, K4: 150 nH < A
L
< 1000 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
5/17
ELP 32/6/20 with I 32/3/20
Core (with clamp recess)
Core set EILP 32
Combination:
ELP 32/6/20 with I 32/3/20
■
To IEC 62317-9
■
Delivery mode: single units
B66287
ELP 32/6/20
I 32/3/20
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.27 mm
–1
= 35.1 mm
= 130 mm
2
= 128 mm
2
= 4560 mm
3
Approx. weight
24 g/set
Ungapped
Mate- A
L
value
μ
e
nH
rial
N49
N92
N87
N97
N95
4400
±25%
4800
±25%
6300
±25%
6300
±25%
7550
±25%
B
S
*
mT
P
V
W/set
Ordering code
(per piece)
950 250
1031 350
1350 300
1350 310
1618 310
< 1.20 ( 50 mT, 500 kHz, 100 °C) B66287G0000X149 (ELP core)
B66287K0000X149 (I core)**
< 3.20 (200 mT, 100 kHz, 100 °C) B66287G0000X192 (ELP core)
B66287K0000X192 (I core)**
< 2.90 (200 mT, 100 kHz, 100 °C) B66287G0000X187 (ELP core)
B66287K0000X187 (I core)**
< 2.20 (200 mT, 100 kHz, 100 °C) B66287G0000X197 (ELP core)
B66287K0000X197 (I core)**
< 2.90 (200 mT, 100 kHz, 25 °C) B66287G0000X195 (ELP core)
< 2.60 (200 mT, 100 kHz, 100 °C) B66287K0000X195 (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 8.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
5/17
ELP 32/6/20 with I 32/3/20
Core and accessories (with clamp recess)
Calculation factors
(for formulas, see
“E cores: general information”
)
EILP 32:
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N87
Validity range:
Clamp
Ordering code per piece, 2 pieces required
Ordering code: B66288F2204X000
234
K2 (25 °C)
–0.777
Calculation of saturation current
K3 (25 °C)
379
K4 (25 °C)
–0.796
K3 (100 °C) K4 (100 °C)
329
–0.873
B66287, B66288
K1, K2: 0.10 mm < s < 1.50 mm
K3, K4: 150 nH < A
L
< 1000 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
5/17
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