3E27 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Material specification

Ferroxcube
Material specification
3E27
3E27 SPECIFICATIONS
A medium permeability material with low losses and a
relatively high T_c optimized for use in wideband
transformers as well as EMI-suppression filters.
handbook¹, ⁰h⁵alfpage
SYMBOL CONDITIONS
µ_i
25 °C; ≤10 kHz;
0.25 mT
B
25 °C; 10 kHz;
1200 A/m
100 °C; 10 kHz;
1200 A/m
tanδ/µ_i
25 °C; 100 kHz;
0.25 mT
ρ
DC; 25 °C
T_C
density
VALUE UNIT
6000 ± 20%
≈ 430
mT
≈ 270
≤ 15 × 10^−6
≈ 0.5
≥ 150
≈ 4800
Ωm
°C
kg/m³
µ's ,µ's'
10⁴
µ_s'
10³
10²
10^−2
10^−1
CBW335
3E27
µ's'
1 _{f (MHz)} 10
Fig.1 Complex permeability as
a function of frequency.
20000
handbook, halfpage
µ_i
15000
10000
5000
0
−50
50
CBW336
3E27
150 _{T (°C)} 250
500
handbook, halfpage
B
(mT)
400
300
25 °C
100 °C
200
100
0
−25 0
25
50
CBW337
3E27
150
250
H (A/m)
Fig.2 Initial permeability as a
function of temperature.
2008 Sep 01
145
Fig.3 Typical B-H loops.