Ferrites and accessories
E 80/38/20
Core
Series/Type: B66375
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 80/38/20
Core B66375
Delivery mode: single units
Magnetic characteristics (per set)
1
l/A= 0.47 mm
l = 184 mm
e
2
A = 390 mm
e
2
A = 388 mm
min
3
V = 71800 mm
e
Approx. weight 358 g/set
Ungapped
Material A value P Ordering code
L e V
nH W/set
N27 4150 +30/20% 1550 < 13.30 (200 mT, 25 kHz, 100 C) B66375G0000X127
N87 4500 +30/20% 1680 < 6.50 (100 mT, 100 kHz, 100 C) B66375G0000X187
Gapped
Material g A value Ordering code
L e
approx.
mm nH
N27 0.50 0.05 882 329 B66375G0500X127
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 539 0.710 867 0.847 816 0.865
N87 539 0.710 804 0.796 806 0.873
Validity range: K1, K2: 0.20 mm < s < 5.00 mm
K3, K4: 140 nH < A < 1330 nH
L
Please read Cautions and warnings and
2 09/06
Important notes at the end of this document.