ETD 54/28/19
Core
B66395
ꢀ In accordance with IEC 61185
ꢀ For SMPS transformers with optimum
weight/performance ratio at small volume
ꢀ ETD cores are supplied as single units
Magnetic characteristics (per set)
–1
Σl/A = 0,45 mm
19,3_0,8
l
= 127 mm
= 280 mm
= 280 mm
e
2
2
A
A
V
e
min
e
3
= 35 600 mm
40,1+2,2
54,5 1,3
Approx. weight 180 g/set
FEK0065-W
Ungapped
Material A value
µ
A
P
V
Ordering code
L
e
L1min
nH
nH
W/set
N27
N87
N97
4200 + 30/– 20 % 1510 3470 < 6,66
(200 mT, 25 kHz, 100 °C)
4450 + 30/– 20 % 1600 3470 < 21,00
(200 mT, 100 kHz, 100 °C)
4600 + 30/– 20 % 1650 3470 < 18,00
(200 mT, 100 kHz, 100 °C)
B66395-G-X127
B66395-G-X187
B66395-G-X197
1)
Gapped
Material
g
A value
approx.
nH
µ
Ordering code
** = 27 (N27)
** = 87 (N87)
L
e
mm
N27,
N87
0,20 0,02
1,00 0,05
1,50 0,05
2,00 0,05
1377
393
287
229
496
141
103
82
B66395-G200-X1**
B66395-G1000-X1**
B66395-G1500-X1**
B66395-G2000-X1**
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).
1) Preliminary data
494 08/01