Ferrites and accessories
E 42/21/15
Core
Series/Type: B66325
Date: September 2006
Data SheetData Sheet
EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS prior express consent is prohibited.E 42/21/15
Core B66325
To IEC 61246 +1
_
42 _
15.2 0.5
0.7
Delivery mode: single units
Magnetic characteristics (per set)
1
l/A= 0.54 mm
l = 97 mm
e
2
A = 178 mm
e
_
12.2 0.5
2
A = 175 mm
min
3
29.5+1.2
V = 17300 mm
FEK0235-M
e
Approx. weight 88 g/set
Ungapped
Material A value P Ordering code
L e V
nH W/set
N27 3500 +30/20% 1510 < 3.30 (200 mT, 25 kHz, 100 C) B66325G0000X127
N87 3950 +30/20% 1690 < 9.00 (200 mT, 100 kHz, 100 C) B66325G0000X187
Gapped
Material g A value Ordering code
L e
approx.
mm nH
N27 0.10 0.02 1497 647 B66325G0100X127
0.25 0.02 759 328 B66325G0250X127
0.50 0.05 454 196 B66325G0500X127
0.64 0.05 378 164 B66325G0640X127
1.00 0.05 272 118 B66325G1000X127
1.50 0.05 201 87 B66325G1500X127
The A value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
L
one gapped core (dimension g > 0).
Calculation factors (for formulas, see E cores: general information)
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)
N27 272 0.741 436 0.847 406 0.865
N87 272 0.741 423 0.796 396 0.873
Validity range: K1, K2: 0.10 mm < s < 2.50 mm
K3, K4: 1210 nH < A < 130 nH
L
Please read Cautions and warnings and
2 09/06
Important notes at the end of this document.
_
21.2 0.4
14.8+0.7
g