3C91 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Material specification

Ferroxcube
Material specification
3C91
3C91 SPECIFICATIONS
A medium frequency power material with minimum
power losses around 60 °C for use in power and
general purpose transformers at frequencies up to
0.3 MHz.
SYMBOL CONDITIONS
µ_i
25 °C; ≤10 kHz;
0.25 mT
µ_a
100 °C; 25 kHz;
200 mT
B
25 °C; 10 kHz;
1200 A/m
100 °C; 10 kHz;
1200 A/m
P_V
60 °C; 100 kHz;
100 mT
60 °C; 100 kHz;
200 mT
ρ
DC, 25 °C
T_C
density
VALUE
3000 ±20%
5500 ±25%
≈ 470
≈ 370
≤ 40
≈ 300
≈5
≥ 220
≈ 4800
UNIT
mT
mT
kW/m³
Ωm
°C
kg/m³
10 ⁴
handbook, halfpage
µ's ,µ's' ^µs'
10 ³
10 ²
CBW574
3C91
µ's'
10
10 ¹
1
10 _{f (MHz)} 10 ²
Fig.1 Complex permeability as
a function of frequency.
10000
handbook, halfpage
µ_i
8000
6000
4000
2000
0
50
50
CBW469
3C91
150 _{T (}o_C) 250
handboo⁵k,⁰h⁰alfpage
B
(mT)
400
300
25 ^oC
100 ^oC
200
100
0
25
0
25
50
CBW437
3C91
150
250
H (A/m)
Fig.2 Initial permeability as a
function of temperature.
2008 Sep 01
109
Fig.3 Typical B-H loops.