Ferrites and accessories
E 20/10/6 (EF 20)
Cores and accessories
Series/Type: B66311, B66206
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 20/10/6 (EF 20)
Core B66311
To IEC 62317-8
Delivery mode: single units
Magnetic characteristics (per set)
1
l/A= 1.44 mm
l = 46.3 mm
e
2
A = 32.1 mm
e
2
A = 31.9 mm
min
3
V = 1490 mm
e
Approx. weight 7.3 g/set
Ungapped
Material A value P Ordering code
L e V
nH W/set
N30 2150 +30/20% 2460 B66311G0000X130
T46 7500 30% 8610 B66311F0000X146
N27 1300 +30/20% 1490 < 0.27 (200 mT, 25 kHz, 100 C) B66311G0000X127
N87 1470 +30/20% 1680 < 0.75 (200 mT, 100 kHz, 100 C) B66311G0000X187
N97 1500 +30/20% 1720 < 0.70 (200 mT, 100 kHz, 100 C) B66311G0000X197
Gapped (A values/air gaps examples)
L
Material g A value Ordering code
L e
approx. ** = 27 (N27)
mm nH ** = 87 (N87)
N27, 0.09 0.01 363 415 B66311G0090X1**
N87 0.10 0.02 345 395 B66311G0100X1**
0.15 0.02 250 290 B66311G0150X1**
0.17 0.02 227 259 B66311G0170X1**
0.25 0.02 171 195 B66311G0250X1**
0.50 0.05 103 118 B66311G0500X1**
1.00 0.05 60 70 B66311G1000X1**
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 8.
L
Please read Cautions and warnings and
2 5/17
Important notes at the end of this document.