B66337 Datasheet, PDF (1/2 Pages) EPCOS – EC 35/17/10 Core

EC 35/17/10
Core
EC cores
I In accordance with IEC 60647
I Compact E core with large winding window
I Round center leg particularly suitable
for use of thick winding wires
I EC cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 0,92 mm^–1
l_e = 77,4 mm
A_e = 84,3 mm²
A_min = 71 mm²
V_e = 6 530 mm³
Approx. weight 36 g/set
B66337
EC 35/17/10 through EC 70/35/16
Ungapped
Material
N27
A_L value
nH
µ_e A_L1min P_V
nH W/set
Ordering code
2100 + 30/– 20 % 1530 1710 < 1,10
B66337-G-X127
(200 mT, 25 kHz, 100 °C)
Gapped
Material
N27
g
mm
0,10 ± 0,02
0,25 ± 0,02
0,50 ± 0,05
1,00 ± 0,05
A_L value approx. µ_e
nH
651
475
336
245
203
148
123
90
Ordering code
B66337-G100-X127
B66337-G250-X127
B66337-G500-X127
B66337-G1000-X127
The A_L 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 – A_L value
K1 (25 °C) K2 (25 °C)
123
– 0,724
Calculation of saturation current
K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)
214
– 0,847
198
– 0,865
Validity range:
K1, K2: 0,10 mm < s < 2,50 mm
K3, K4: 70 nH < A_L < 680 nH
500 08/01