3S4 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Material specification

Ferroxcube
Material specification
3S4
3S4 SPECIFICATIONS
Wideband EMI-suppression material specified on
impedance and optimized for frequencies from 10 to
300 MHz.
SYMBOL CONDITIONS
µ_i
25 °C; ≤10 kHz;
0.25 mT
B
25 °C; 10 kHz;
1200 A/m
Z⁽¹⁾
100 °C; 10 kHz;
1200 A/m
25 °C; 3 MHz
25 °C; 30 MHz
25 °C; 100 MHz
25 °C; 300 MHz
ρ
DC; 25 °C
T_C
density
VALUE
≈ 1 700
≈ 320
≈ 170
≥ 25
≥ 60
≥ 80
≥ 90
≈ 10³
≥ 110
≈ 4 800
Note
1. Measured on a bead ∅5× ∅2 × 10 mm.
UNIT
mT
Ω
Ωm
°C
kg/m³
10 ⁴
handbook, halfpage
µ's ,µ's'
10 ^{3 µs'}
10 ²
MBW195
3S4
µ's'
10
10 ¹
1
10 _{f (MHz)} 10 ²
Fig.1 Complex permeability as
a function of frequency.
5000
handbook, halfpage
µ_i
4000
3000
2000
1000
0
50
50
MBW191
3S4
150 _{T (}^o_C) 250
500
handbook, halfpage
B
(mT)
400
300
25oC
100oC
MBW199
3S4
200
100
0
50
0
50 100
500
1000
H (A/m)
Fig.2 Initial permeability as a
function of temperature.
2008 Sep 01
212
Fig.3 Typical B-H loops.