3B7 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Material specification

Ferroxcube
Material specification
3B7
3B7 SPECIFICATIONS
A low frequency filter material optimized for
frequencies up to 0.1 MHz.
SYMBOL
CONDITIONS
µ_i
25 °C; ≤10 kHz;
0.25 mT
B
25 °C; 10 kHz;
1200 A/m
tanδ/µ_i
100 °C; 10 kHz;
1200 A/m
25 °C; 100 kHz;
0.25 mT
D_F
α_F
ρ
T_C
density
25 °C; 500 kHz;
0.25 mT
25 °C; 1 MHz; 0.25 mT
25 °C; 10 kHz; 0.25 mT
+20 to 70 °C; ≤10 kHz;
0.25 mT
DC, 25 °C
VALUE
2300 ±20%
≈ 440
≈ 320
≤ 5 × 10^−6
≈ 25 × 10^−6
≈ 120 × 10^−6
≤ 4.5 × 10^−6
(0 ±0.6)
× 10^−6
≈1
≥ 170
≈ 4 800
UNIT
mT
K^−1
Ωm
°C
kg/m³
handboo¹k,⁰h⁴alfpage
µ's ,µ's'
µ_s'
10 ³
10 ²
MBW057
3B7
µ's'
10
10 ¹
1
10 _{f (MHz)} 10 ²
Fig.1 Complex permeability as
a function of frequency.
handbo⁵o⁰k,⁰h⁰alfpage
µ_i
4000
3000
2000
1000
0
50
50
MBW058
3B7
150 _{T (}o_C) 250
Fig.2 Initial permeability as a
function of temperature.
2008 Sep 01
500
handbook, halfpage
B
(mT)
400
300
25oC
100oC
200
100
0
25
0
25
50
MBW020
3B7
150
250
H (A/m)
Fig.3 Typical B-H loops.
85