ER54 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – ER cores

Ferroxcube
ER cores
ER54/18/18
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
V_e
effective volume
I_e
effective length
A_e
effective area
A_min
minimum area
m
mass of core half
VALUE UNIT
0.370 mm^−1
23000 mm³
91.8 mm
250
mm²
240
mm²
≈ 61 g
handbook, halfpage
11.1
0.3
17.95
0.35
18.3
0.2
53.5 1
40.65 0.85
17.9 0.4
MGC309
Dimensions in mm.
Fig.1 ER54/18/18 core half.
Core halves
Clamping force for A_L measurements, 50 ±20 N. Gapped cores are available on request.
GRADE
A_L
(nH)
µ_e
AIR GAP
(µm)
TYPE NUMBER
3C90
3C94
6100 ±25%
6100 ±25%
≈ 1800
≈ 1800
≈0
ER54/18/18-3C90
≈0
ER54/18/18-3C94
Properties of core sets under power conditions
B (mT) at
GRADE
3C90
3C94
H = 250 A/m;
f = 25 kHz;
T = 100 °C
≥320
≥320
f = 25 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 2.8
−
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
≤ 2.9
≤ 2.3
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
−
≤ 12.5
2008 Sep 01
797