Ferrites and accessories
ETD 29/16/10
Core and accessories
Series/Type: B66358, B66359
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. ETD 29/16/10
Core B66358
ETD 29/16/10 through ETD 59/31/22
To 62317-6
For SMPS transformers with optimum
weight/performance ratio at small volume
Delivery mode: single units
Magnetic characteristics (per set)
1
l/A= 0.93 mm
l = 70.4 mm
e
2
A = 76.0 mm
e
2
A = 71.0 mm
min
3
V = 5350 mm
e
Approx. weight 28 g/set
Ungapped
Material A value P Ordering code
L e V
nH W/set
N27 2000 +30/20% 1470 < 1.04 (200 mT, 25 kHz, 100 C) B66358G0000X127
N87 2200 +30/20% 1610 < 2.80 (200 mT, 100 kHz, 100 C) B66358G0000X187
N97 2250 +30/20% 1670 < 2.40 (200 mT, 100 kHz, 100 C) B66358G0000X197
Gapped (A values/air gaps examples)
L
Material g A value Ordering code
L e
approx. ** = 27 (N27)
mm nH ** = 87 (N87)
N27, 0.10 0.02 621 457 B66358G0100X1**
N87 0.20 0.02 383 281 B66358G0200X1**
0.50 0.05 201 148 B66358G0500X1**
1.00 0.05 124 91 B66358G1000X1**
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 6.
L
Please read Cautions and warnings and
2 5/17
Important notes at the end of this document.