E31-3C90-E100 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – E cores and accessories

Ferroxcube
E cores and accessories
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
0.740 mm^−1
5150 mm³
61.9 mm
83.2 mm²
83.2 mm²
≈ 13 g
handbook, halfpage
30.9 ±0.5
21.9 min.
9.4
±0.25
E31/13/9
8.6
min. ^13.4
±0.15
9.4
±0.3
CBW038
Dimensions in mm.
Fig.1 E31/13/9 core half.
Core halves
A_L measured in combination with a non-gapped core half, clamping force for A_L measurements 40 ±20 N, unless stated
otherwise.
GRADE
3C90
A_L
(nH)
100 ±5%⁽¹⁾
160 ±5%⁽¹⁾
250 ±5%
315 ±5%
400 ±8%
630 ±15%
2970 ±25%
µ_e
≈ 59
≈ 95
≈ 148
≈ 186
≈ 237
≈ 373
≈1 760
TOTAL AIR GAP
(µm)
≈ 1560
≈ 840
≈ 480
≈ 360
≈ 270
≈ 150
≈0
TYPE NUMBER
E31/13/9-3C90-E100
E31/13/9-3C90-E160
E31/13/9-3C90-A250
E31/13/9-3C90-A315
E31/13/9-3C90-A400
E31/13/9-3C90-A630
E31/13/9-3C90
Note
1. Measured in combination with an equal gapped core half, clamping force for A_L measurements, 40 ±20 N.
Properties of core sets under power conditions
B (mT) at
GRADE
3C90
H = 250 A/m;
f = 25 kHz;
T = 100 °C
≥320
f = 25 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 0.52
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
≤ 0.58
2008 Sep 01
395