B66391 Datasheet, PDF (1/2 Pages) EPCOS – ER 49/27/17 Core

ER 49/27/17
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 = 0,49 mm^–1
l_e = 118 mm
A_e = 243 mm²
A_min = 225 mm²
V_e = 28 700 mm³
Approx. weight 146 g/set
B66391
Ungapped
Material
N27
A_L value
nH
µ_e A_L1min P_V
nH W/set
Ordering code
3500 + 30/– 20 % 1350 3240 < 5,38
B66391-G-X127
(200 mT, 25 kHz, 100 °C)
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)
342
– 0,750
Calculation of saturation current
K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)
578
– 0,847
540
– 0,865
Validity range:
K1, K2: 0,10 mm < s < 3,50 mm
K3, K4: 130 nH < A_L < 1300 nH
474 08/01