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002-01 / 20071116 / e16_1.fm
• All specifications are subject to change without notice.
FEATURES
• Large size ferrite cores developed for reactors and transformers used in high power units.
• Please contact us for machinability of non-standard special forms.
MATERIAL CHARACTERISTICS (Typical)
• 1(mT)=10(G),1(A/m)=0.012566(Oe)
CORE LOSS vs. TEMPERATURE CHARACTERISTICS
Material PE22 PC40
Initial permeability µi [23°C] 1800 2300
Curie temperature Tc °C >200 >200
Saturation magnetic flux density
H=1194A/m
Bs
[23°C]
[100°C]
mT
510
410
500
380
Remanent flux density Br [23°C] mT 140 125
Coercive force Hc [23°C] A/m 16 15
Core loss
25kHz, 200mT
100kHz, 200mT
Pcv [100°C] kW/m
3
80
520
70
420
Electrical resistivity ρΩ • m 3 6.5
Approximate density dapp kg/m
3
4.8×10
3
4.8×10
3
Thermal expansion coefficient α 1/K 12×10
–6
12×10
–6
Thermal conductivity κ W/mK 5 5
Specific heat C
p J/kg • K 600 600
Bending strength δb3 N/m
2
9×10
7
9×10
7
Young’s modulus E N/m
2
1.2×10
11
1.2×10
11
Magnetostriction λs–0.6×10
–6
–0.6×10
–6
150
200
100
50
0
120100806040200
Temperature
(
˚C
)
P
cv
(
kW/m
3
)
PC40
PE22
25kHz-200mT
800
600
400
0
120100806040200
Temperature
(
˚C
)
P
cv
(
kW/m
3
)
PC40
PE22
100kHz-200mT