Ferrites and accessories
E 32/16/9 (EF 32)
Core and accessories
Series/Type: B66229, B66230
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. E 32/16/9 (EF 32)
Core B66229
To IEC 62317-8
Delivery mode: single units
Magnetic characteristics (per set)
1
l/A= 0.89 mm
l = 74 mm
e
2
A = 83 mm
e
2
A = 81.4 mm
min
3
V = 6140 mm
e
Approx. weight 30 g/set
Ungapped
Material A value P Ordering code
L e V
nH W/set
N30 3800 +30/20% 2690 B66229G0000X130
N27 2100 +30/20% 1480 < 1.10 (200 mT, 25 kHz, 100 C) B66229G0000X127
N87 2300 +30/20% 1630 < 3.00 (200 mT, 100 kHz, 100 C) B66229G0000X187
N97 2400 +30/20% 1700 < 2.70 (200 mT, 100 kHz, 100 C) B66229G0000X197
Gapped (A values/air gaps examples)
L
Material g A value Ordering code
L e
approx. ** = 27 (N27)
mm nH ** = 87 (N87)
N27, 0.50 0.05 244 172 B66229G0500X1**
N87 1.00 0.05 145 103 B66229G1000X1**
The A value in the table applies to a core set comprising one ungapped core (dimension g = 0 mm)
L
and one gapped core (dimension g > 0 mm).
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)
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 145 0.748 212 0.847 196 0.865
N87 145 0.748 208 0.796 191 0.873
Validity range: K1, K2: 0.10 mm < s < 2.50 mm
K3, K4: 70 nH < A < 710 nH
L
Please read Cautions and warnings and
2 5/17
Important notes at the end of this document.