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EPCOS
EPCOS

B66395 Datasheet Preview

B66395 Datasheet

Core

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ETD 54/28/19
Core
I In accordance with IEC 61185
I For SMPS transformers with optimum
weight/performance ratio at small volume
I ETD cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 0,45 mm1
le = 127 mm
Ae = 280 mm2
Amin = 280 mm2
Ve = 35 600 mm3
Approx. weight 180 g/set
B66395
19,3 _0,8
40,1+2,2
54,5±1,3
FEK0065-W
Ungapped
Material
N27
N87
N97 1)
AL value
nH
µe AL1min PV
nH W/set
Ordering code
4200 + 30/20 % 1510 3470 < 6,66
B66395-G-X127
(200 mT, 25 kHz, 100 °C)
4450 + 30/20 % 1600 3470 < 21,00
B66395-G-X187
(200 mT, 100 kHz, 100 °C)
4600 + 30/20 % 1650 3470 < 18,00
B66395-G-X197
(200 mT, 100 kHz, 100 °C)
Gapped
Material g
N27,
N87
mm
0,20 ± 0,02
1,00 ± 0,05
1,50 ± 0,05
2,00 ± 0,05
AL value
approx.
nH
1377
393
287
229
µe
496
141
103
82
Ordering code
** = 27 (N27)
** = 87 (N87)
B66395-G200-X1**
B66395-G1000-X1**
B66395-G1500-X1**
B66395-G2000-X1**
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).
1) Preliminary data
494 08/01



EPCOS
EPCOS

B66395 Datasheet Preview

B66395 Datasheet

Core

No Preview Available !

B66395 pdf
ETD 54/28/19
Core
B66395
Calculation factors (for formulas, see E cores: general information, page 382)
Material
N27
N87
Relationship between
air gap AL value
K1 (25 °C) K2 (25 °C)
393 0,779
393 0,779
Calculation of saturation current
K3 (25 °C)
658
630
K4 (25 °C)
0,847
0,796
K3 (100 °C) K4 (100 °C)
615 0,865
603 0,873
Validity range:
K1, K2: 0,10 mm < s < 3,50 mm
K3, K4: 140 nH < AL < 1390 nH
495 08/01


Part Number B66395
Description Core
Maker EPCOS
Total Page 4 Pages
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