Ferrites and accessories
ETD 59/31/22
Core and accessories
Series/Type: B66397, B66398
Date: June 2013
Data SheetData Sheet
EPCOS AG 2015. 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 59/31/22
Core B66397
To IEC 61185
For SMPS transformers with optimum
weight/performance ratio at small volume
Delivery mode: single units
Magnetic characteristics (per set)
1
l/A = 0.38 mm
l = 139 mm
e
2
A = 368 mm
e
2
A = 368 mm
min
3
V = 51200 mm
e
Approx. weight 260 g/set
Ungapped
Material A value B * P Ordering code
L e S V
nH mT W/set
N27 5000 +30/20% 1500 320 < 9.62 (200 mT, 25 kHz, 100 C) B66397G0000X127
N87 5300 +30/20% 1590 320 < 5.20 (100 mT, 100 kHz, 100 C) B66397G0000X187
N97 5500 +30/20% 1660 320 < 4.50 (100 mT, 100 kHz, 100 C) B66397G0000X197
* H = 250 A/m; f = 10 kHz; T = 100 C
Gapped
Material g A value Ordering code
L e
approx. ** = 27 (N27)
mm nH ** = 87 (N87)
N27, 0.200.02 1588 476 B66397G0200X1**
N87 1.000.05 508 152 B66397G1000X1**
1.500.05 381 114 B66397G1500X1**
2.00 0.05 311 93 B66397G2000X1**
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).
Please read Cautions and warnings and
2 06/13
Important notes at the end of this document.