ER40 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – ER cores

Ferroxcube
ER cores
ER40/22/13
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
0.658 mm^−1
14600 mm³
98.0 mm
149
mm²
139
mm²
≈ 37 g
handbook, halfpage
15.45
0.35
13.4
0.35
22.4
0.2
40 0.7
29.6 0.6
13.3 0.25
MGC305
Dimensions in mm.
Fig.1 ER40/22/13 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
3600 ±25%
3600 ±25%
≈ 1900
≈ 1900
≈0
ER40/22/13-3C90
≈0
ER40/22/13-3C94
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
≤ 1.8
−
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
≤ 1.9
≤ 1.45
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
−
≤ 8.7
2008 Sep 01
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