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B66350 fiches techniques PDF

EPCOS - Core

Numéro de référence B66350
Description Core
Fabricant EPCOS 
Logo EPCOS 





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B66350 fiche technique
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ER 35/20/11
Core
I Round center leg particularly suitable
for use of thick winding wires or tapes
I For compact winding design with
low leakage inductance
I ER cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 0,81 mm1
le = 89,6 mm
Ae = 111 mm2
Amin = 101 mm2
Ve = 9 930 mm3
Approx. weight 52 g/set
B66350
Ungapped
Material
N27
AL value
nH
µe AL1min PV
nH W/set
Ordering code
2500 + 30/20 % 1610 1930 < 1,95
B66350-G-X127
(200 mT, 25 kHz, 100 °C)
Gapped
Material g
mm
N27 0,50 ± 0,05
1,00 ± 0,05
1,50 ± 0,05
AL value
approx.
nH
275
170
125
µe
177
109
80
Ordering code
B66350-G500-X127
B66350-G1000-X127
B66350-G1500-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).
Calculation factors (for formulas, see E cores: general information, page 382)
Material
N27
Relationship between
air gap AL value
K1 (25 °C) K2 (25 °C)
169 0,706
Calculation of saturation current
K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)
275
0,847
256
0,865
Validity range:
K1, K2: 0,10 mm < s < 2,50 mm
K3, K4: 90 nH < AL < 600 nH
470 08/01

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