Manganese Zinc Ferrite Cores 材質 Material:3H

Manganese Zinc Ferrite Cores
◆ 広温度域対応 低ロス材質
材質
Low Loss Material for Wide Temperature
Material:3H
項目
Parameter
初透磁率
Initial permeability
飽和磁束密度
Saturation flux density
記号
Symbol
μi
Bs
残留磁束密度
Remanent flux density
Br
保磁力
Coercivity
Hc
相対損失係数
Relative loss factor
材料履歴定数
Hysteresis material constant
初透磁率の相対温度係数
Relative temperature coefficient
キュリー温度
Curie temperature
抵抗率
Resistivity
密度
Density
tanδ/μi
ηB
αF
Tc
測定条件
Conditions
F:10kHz
B<0.25mT
F:10kHz
H:800A/m
H→0
( from near saturation )
f:10kHz
B→0
( from near saturation )
f:10kHz
f:100kHz
f:10kHz
B<1.5mT∼3.0mT
f:10kHz
B<0.25mT
T:25∼55℃
f:10kHz
B<0.25mT
ρ
測定値
Value
単位
Unit
23
3300±25%
−
23
100
23
530
415
90
100
70
23
9.5
100
7
23
<2
10-6
23
<0.3
10-6/mT
<2
10-6/℃
240
℃
5
Ωm
4.85×103
kg/m3
23
d
25kHz-200mT
100kHz-200mT
パワーロス
Power Loss
℃
Pcv
200kHz-100mT
500kHz-50mT
− 79 −
23
80
100
120
23
80
100
120
23
80
100
120
23
80
100
120
50
40
42
45
340
295
305
350
185
150
155
170
220
200
205
230
mT
mT
A/m
High
kW/m3
kW/m3
kW/m3
kW/m3
-B
材質 Material : 3H
①複素透磁率 VS 周波数
Complex Permeability
②初透磁率 VS 温度
Initial Permeability (μi) vs. Temperature
vs. Frequency
[ measured with φ22 toroid core ]
[ measured with φ22 toroid core ]
104
7000
6000
103
4000
μi
μ'・μ"
5000
2
10
━━━ : μ'
−−− : μ"
3000
2000
10
1000
1
102
10
103
0
-40
104
0
40
Frequency (kHz)
80
120
160
200
240
280
Temperature (℃)
High
-B
③B−H 曲線
④飽和磁束密度 VS 温度
Saturation Magnetic Flux Density vs. Temperature
[ measured with φ22 toroid core ]
600
Dynamic Magnetization Curves
23℃
Magnetic flux Density B(mT)
500
100℃
400
300
200
Saturation Magnetic Flux Density(mT)
[ measured with φ22 toroid core ]
600
500
400
300
100
200
20
0
200
400
600
40
60
80
Temperature (℃)
800
Magnetic Field Strength H(A/m)
− 80 −
100
材質 Material : 3H
⑤コアロス VS 温度
⑥コアロス VS 磁束密度
Power Loss (Pcv) vs. Temperature
Power Loss (Pcv) vs. Flux Density
[ measured with φ22 toroid core ]
[ measured with φ22 toroid core ]
104
500
━━━ : 23℃
−−− : 100℃
103
3
f: 100kHz
B:200mT
300
f: 500kHz
B:50mT
200
f: 200kHz
B:100mT
Power Loss [Pcv : kW/m3]
400
Power Loss [Pcv : kW/m ]
f:200kHz
f:100kHz
f:25kHz
102
10
1
100
f: 25kHz
B:200mT
10-1
10
0
20
40
60
80
100
120
102
103
Flux Density B(mT)
Temperature (℃)
High
-B
⑭ コアロス VS 周波数
Power Loss (Pcv) vs. Frequency
[ measured with φ22 toroid core ]
104
━━━ : 23℃
−−− : 100℃
3
Power Loss [Pcv : kW/m3]
10
Bm:200mT
Bm:100mT
102
Bm:50mT
10
1
10-1
10
102
103
Frequency (kHz)
− 81 −