3B1 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – Material specification

Ferroxcube
Material specification
3B1 SPECIFICATIONS
Medium permeability MnZn ferrite for use in wideband
EMI-suppression (10 - 100 MHz) as well as RF tuning,
wideband and balun transformers.
10 ⁴
handbook, halfpage
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; 450 kHz;
0.25 mT
ρ
DC; 25 °C
T_C
density
VALUE
900 ±20%
≈ 380
≈ 230
≤ 50 × 10^−6
≈ 0.2
≥ 150
≈ 4800
UNIT
mT
Ωm
°C
kg/m³
µ's ,µ's'
µ_s'
10 ³
10 ²
10
10 ¹
1
3B1
MBW315
3B1
µ's'
10 _{f (MHz)} 10 ²
Fig.1 Complex permeability as
a function of frequency.
2000
handbook, halfpage
µ_i
1500
1000
500
0
50
50
MBW316
3B1
150 _{T (}o_C) 250
500
handbook, halfpage
B
(mT)
400
300
25 ^oC
100 ^oC
MBW317
3B1
200
100
0
50
0
50 100
500
1000
H (A/m)
Fig.2 Initial permeability as a
function of temperature.
2008 Sep 01
78
Fig.3 Typical B-H loops.