Ferrites and accessories
ELP 14/3.5/5 with I 14/1.5/5
Cores (without clamp recess)
Series/Type: B66281G, B66281K
Date: 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 14/3.5/5
Core (without clamp recess) B66281
ELP 14/3.5/5 through ELP 102/20/38
Core set EELP 14
ELP 14/3.5/5
Combination: ELP 14/3.5/5 with ELP 14/3.5/5
To IEC 62317-9
Delivery mode: single units
Magnetic characteristics (per set)
1
l/A= 1.45 mm
l = 20.7 mm
e
2
A = 14.3 mm
e
2
A = 13.9 mm
min
3
V = 296 mm
e
Approx. weight 1.6 g/set
Ungapped
Material A value P Ordering code
L e V
nH W/set (per piece)
N49 800 25% 920 < 0.08 ( 50 mT, 500 kHz, 100 C) B66281G0000X149
N92 850 25% 980 < 0.22 (200 mT, 100 kHz, 100 C) B66281G0000X192
N87 1100 25% 1270 < 0.20 (200 mT, 100 kHz, 100 C) B66281G0000X187
N97 1150 25% 1320 < 0.16 (200 mT, 100 kHz, 100 C) B66281G0000X197
N95 1300 25% 1225 < 0.20 (200 mT, 100 kHz, 25 C) B66281G0000X195
< 0.18 (200 mT, 100 kHz, 100 C)
Other A values/air gaps and materials available on request see Processing remarks on page 4.
L
Calculation factors (for formulas, see E cores: general information)
EELP 14:
Material Relationship between Calculation of saturation current
air gap A value
L
K1 (25 C) K2 (25 C) K3 (25 C) K4 (25 C) K3 (100 C) K4 (100 C)
N87 29.0 0.772 47 0.796 39 0.873
Validity range: K1, K2: 0.05 mm < s < 1.00 mm
K3, K4: 20 nH < A < 200 nH
L
Please read Cautions and warnings and
2 5/17
Important notes at the end of this document.