3E25 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Material specification

Ferroxcube
Material specification
3E25
3E25 SPECIFICATIONS
A medium permeability material mainly for use in
current compensated chokes in EMI-suppression
filters.
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
25 °C; 300 kHz;
0.25 mT
ρ
DC; 25 °C
T_C
density
VALUE UNIT
6000 ± 20%
≈ 390
mT
≈ 220
≤ 25 × 10^−6
≤ 200 × 10^−6
≈ 0.5
≥ 125
≈ 4900
Ωm
°C
kg/m³
10 ⁵
handbook, halfpage
µ's ,µ's'
10 ⁴
µ_s'
10 ³
MBW026
3E25
µ's'
10 ²
10 ²
10 ¹
1 _{f (MHz)} 10
Fig.1 Complex permeability as
a function of frequency.
handb²o⁰o⁰k,⁰h⁰alfpage
µ_i
15000
10000
5000
0
−50
50
MBW029
3E25
150 _{T (}o_C) 250
500
handbook, halfpage
B
(mT)
400
300
25oC
100oC
200
100
0
25
0
25 50
MBW011
3E25
150
250
H (A/m)
Fig.2 Initial permeability as a
function of temperature.
2008 Sep 01
137
Fig.3 Typical B-H loops.