ER41 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Planar ER cores and accessories

Ferroxcube
Planar ER cores and accessories
ER41/7.6/32
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
0.253 mm^−1
12900 mm³
57.0 mm
225
mm²
201
mm²
≈ 37 g
R0.25 max (4x)
3.6 7.6
± 0.1 ± 0.1
16
± 0.3 ^A
3.8 min
R1.0 (8x)
2 ^{+ 0.3}
−0
5˚
32
± 0.6
R0.8 (2x)
A
34.04 ± 0.7
40.64 ± 0.8
3.2 min (2x)
Section A-A
MFP183
Dimensions in mm.
Fig.1 ER41/7.6/32 core half.
Core halves for general purpose transformers and power applications
Clamping force for A_L measurements, 100 ± 25 N.
GRADE
A_L
(nH)
µ_e
AIR GAP
(µm)
3C92
6500 ± 25 %
≈ 1310
≈0
3C93
7500 ± 25 %
≈ 1510
≈0
3C95
11120 ± 25 %
≈ 2240
≈0
3C96
8100 ± 25 %
≈ 1630
≈0
3F3
8100 ± 25 %
≈ 1630
≈0
TYPE NUMBER
ER41/7.6/32-3C92
ER41/7.6/32-3C93
ER41/7.6/32-3C95
ER41/7.6/32-3C96
ER41/7.6/32-3F3
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
≤ 1.3
≤ 1.3 ⁽¹⁾
−
≤ 0.92
≤ 1.7
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 200 mT;
T = 25 °C
−
−
≤ 8.94
−
−
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 7.8
≤ 7.8 ⁽¹⁾
≤ 8.51
≤ 5.88
−
f = 400 kHz;
B^ˆ = 50 mT;
T = 100 °C
−
−
−
−
≤ 2.5
f = 500 kHz;
B^ˆ = 50 mT;
T = 100 °C
−
−
−
≤ 5.58
−
1. Measured at 140 °C.
2008 Sep 01
2