ER32 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Planar ER cores and accessories

Ferroxcube
Planar ER 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
0.270 mm^−1
5400 mm³
38.2 mm
141
mm²
121
mm²
≈ 16 g
h2a.n9db^+−o⁰⁰o_.k₂, ₅halfpage
ER32/6/25
32.1
+0.55
−0.45
27.2 ± 0.4
12.4 ± 0.15
6.0
± 0.127
25.4
± 0.4
R1.0 (4×)
Dimensions in mm.
MFP075
Fig.1 ER32/6/25 core half.
Core sets for general purpose transformers and power applications
Clamping force for A_L measurements, 50 ± 20 N.
GRADE
A_L
(nH)
µ_e
AIR GAP
(µm)
3C92
5700 ± 25 %
≈ 1220
≈0
3C93
6600 ± 25 %
≈ 1420
≈0
3C95
9640 ± 25 %
≈ 2080
≈0
3C96
7160 ± 25 %
≈ 1540
≈0
3F3
7160 ± 25 %
≈ 1540
≈0
TYPE NUMBER
ER32/6/25-3C92-S
ER32/6/25-3C93-S
ER32/6/25-3C95-S
ER32/6/25-3C96-S
ER32/6/25-3F3-S
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
≤ 0.45
≤ 0.45⁽¹⁾
−
≤ 0.3
≤ 0.65
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 200 mT;
T = 25 °C
−
−
≤ 3.5
−
−
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 3.0
≤ 3.0⁽¹⁾
≤ 3.33
≤ 2.2
−
f = 400 kHz;
B^ˆ = 50 mT;
T = 100 °C
−
−
−
−
≤ 1.0
f = 500 kHz;
B^ˆ = 50 mT;
T = 100 °C
−
−
−
≤ 1.9
−
1. Measured at 140 °C.
2008 Sep 01
2