3C81 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Material specification

Ferroxcube
Material specification
3C81
3C81 SPECIFICATIONS
A low frequency power material with minimum power
losses around 60 °C for use in power and general
purpose transformers at frequencies up to 0.2 MHz.
10 ⁴
handbook, halfpage
SYMBOL CONDITIONS
µ_i
25 °C; ≤10 kHz;
0.25 mT
VALUE
2700 ±20%
UNIT
µ's ,µ's'
µ_s'
10 ³
µ_a
100 °C; 25 kHz; 5500 ±20%
200 mT
B
25 °C; 10 kHz; ≈ 450
mT
1200 A/m
10 ²
100 °C; 10 kHz; ≈ 360
1200 A/m
P_V
100 °C; 25 kHz; ≤ 185
200 mT
ρ
DC; 25 °C
≈1
kW/m³
Ωm
10
10 ¹
1
T_C
density
≥ 210
≈ 4800
°C
kg/m³
MBW023
3C81
µ's'
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
MBW032
3C81
150 _{T (}o_C) 250
500
handbook, halfpage
B
(mT)
400
300
25oC
100oC
200
100
0
25
0
25
50
MBW016
3C81
150
250
H (A/m)
Fig.2 Initial permeability as a
function of temperature.
2008 Sep 01
101
Fig.3 Typical B-H loops.