2 5/17
Please read Cautions and warnings and
Important notes at the end of this document.
Core set EELP 43
Combination: ELP 43/10/28 with ELP 43/10/28
■ To IEC 62317-9
■ Delivery mode: single units
Magnetic characteristics (per set)
Σl/A = 0.274 mm
–1
l
e
= 61.6 mm
A
e
= 225 mm
2
A
min
= 217 mm
2
V
e
= 13748 mm
3
Approx. weight 70 g/set
Ungapped
* H = 250 A/m; f = 10 kHz; T = 100 °C
Gapped (A
L
values/air gaps examples)
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:
Validity range: K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 200 nH < A
L
< 2200 nH
Material A
L
value
nH
μ
e
B
S
*
mT
P
V
W/set
Ordering code
(per piece)
N49 5000 ±25% 1070 250 < 3.5 ( 50 mT, 500 kHz, 100 °C) B66291G0000X149
N92 5500 ±25% 1170 350 < 9.0 (200 mT, 100 kHz, 100 °C) B66291G0000X192
N87 7300 ±25% 1560 300 < 8.0 (200 mT, 100 kHz, 100 °C) B66291G0000X187
N97 7500 ±25% 1590 310 < 7.0 (200 mT, 100 kHz, 100 °C) B66291G0000X197
N95 9000 ±25% 2012 310 < 8.25 (200 mT, 100 kHz, 25 °C)
< 7.50 (200 mT, 100 kHz, 100 °C)
B66291G0000X195
Material g
mm
A
L
value
approx.
nH
μ
e
Ordering code
N87 0.1 ±0.02
1.0 ±0.05
2225
355
470
75
B66291G0100X187
B66291G1000X187
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 358 –0.794 597 –0.796 540 –0.873
B66291Core (with clamp recess)
ELP 43/10/28
