E 13/7/4 (EF 12,6)
Core
I In accordance with IEC 61246
I For miniature transformers
I Available with SMD coil former
I E cores with high permeability for common-mode
chokes and broadband applications
I E cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 2,39 mm–1
le = 29,6 mm
Ae = 12,4 mm2
Amin = 12,2 mm2
Ve = 367 mm3
Approx. weight 2 g/set
B66305
Ungapped
Material
N30
N27
N87
T42
AL value
nH
µe AL1min PV
nH W/set
Ordering code
1000 + 30/– 20 % 1900
B66305-G-X130
800 + 30/– 20 % 1510 530 < 0,40
B66305-G-X127
(200 mT, 100 kHz, 100 °C)
850 + 30/– 20 % 1620 530 < 0,20
B66305-G-X187
(200 mT, 100 kHz, 100 °C)
3600 ± 30 %
6830
B66305-F-X142
Gapped
Material
N27
g
mm
0,04 ± 0,01
AL value approx. µe
nH
250
454
Ordering code
B66305-G40-X127
The AL value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
one gapped core (dimension g > 0).
390 08/01