B66350 Datasheet, PDF (1/2 Pages) EPCOS – ER 35/20/11 Core

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 mm^–1
l_e = 89,6 mm
A_e = 111 mm²
A_min = 101 mm²
V_e = 9 930 mm³
Approx. weight 52 g/set
B66350
Ungapped
Material
N27
A_L value
nH
µ_e A_L1min P_V
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
A_L value
µ_e
approx.
nH
N27
0,50 ± 0,05
275
177
1,00 ± 0,05
170
109
1,50 ± 0,05
125
80
Ordering code
B66350-G500-X127
B66350-G1000-X127
B66350-G1500-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)
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 < A_L < 600 nH
470 08/01