ER64 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Planar ER cores and accessories

Ferroxcube
Planar ER cores and accessories
ER64/13/51
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
0.164 mm^−1
52600 mm³
93.0 mm
566
mm²
507
mm²
≈ 152 g
R0.25 max (4x)
6.25
± 0.25
12.7
± 0.2
A
25.4
± 0.5
R2.0 (8x)
3
+ 0.3
−0
5˚
50.8
± 1.0
R1.0
(2x)
A
53.5 ± 1.0
64 ± 1.0
Section A-A
5.0 min (2x)
MFP221
Dimensions in mm.
Fig.1 ER64/13/51 core half.
Core halves for general purpose transformers and power applications
Clamping force for A_L measurements, 200 ± 25 N.
GRADE
A_L
(nH)
µ_e
AIR GAP
(µm)
3C92
10600 ± 25 %
≈ 1390
≈0
3C93
12300 ± 25 %
≈ 1610
≈0
3C95
18920 ± 25 %
≈ 2475
≈0
3C96
13400 ± 25 %
≈ 1760
≈0
3F3
13400 ± 25 %
≈ 1760
≈0
TYPE NUMBER
ER64/13/51-3C92
ER64/13/51-3C93
ER64/13/51-3C95
ER64/13/51-3C96
ER64/13/51-3F3
Properties of core sets under power conditions
B (mT) at
GRADE
3C92
3C93
3C95
3C96
3F3
H = 250 A/m;
f = 25 kHz;
T = 100 °C
≥ 370
≥ 320
≥ 320
≥ 340
≥ 300
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
≤ 5.3
≤ 5.3 ⁽¹⁾
−
≤ 3.71
≤ 6.3
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 200 mT;
T = 25 °C
−
−
≤ 36.5
−
−
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 32.4
≤ 32.4 ⁽¹⁾
≤ 34.7
≤ 24
−
f = 400 kHz;
B^ˆ = 50 mT;
T = 100 °C
−
−
−
−
≤ 10.2
f = 500 kHz;
B^ˆ = 50 mT;
T = 100 °C
−
−
−
≤ 22.7
−
1. Measured at 140 °C.
2008 Sep 01
2