Manganese Zinc Ferrite Cores 材質 Material:3H2

Manganese Zinc Ferrite Cores
◆ 高温度対応 ハイB材質
材質
High B Material for High Temperature
Material:3H2
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:1194A/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
2500±25%
−
23
100
23
540
440
120
100
70
23
12
100
8
23
<5
10-6
23
<1.5
10-6/mT
<4
10-6/℃
280
℃
7
Ωm
4.90×103
kg/m3
23
d
100kHz-200mT
パワーロス
Power Loss
℃
Pcv
300kHz-100mT
500kHz-50mT
− 73 −
23
60
100
120
23
60
100
120
23
60
100
120
580
415
400
515
575
400
315
430
230
190
160
210
mT
mT
A/m
High
kW/m3
kW/m3
kW/m3
-B
材質 Material : 3H2
①複素透磁率 VS 周波数
②初透磁率 VS 温度
Initial Permeability (μi) vs. Temperature
Complex Permeability vs. Frequency
[ measured with φ22 toroid core ]
[ measured with φ22 toroid core ]
104
5000
4000
103
μi
μ'・μ"
3000
━━━ : μ'
−−− : μ"
2000
102
1000
10
102
10
103
0
-40
104
0
40
80
Frequency (kHz)
120
160
200
240
280
320
360
Temperature (℃)
High
-B
③B−H 曲線
④飽和磁束密度 VS 温度
Dynamic Magnetization Curves
Saturation Magnetic Flux Density vs. Temperature
[ measured with φ22 toroid core ]
[ measured with φ22 toroid core ]
600
600
Magnetic flux Density B(mT)
500
100℃
400
300
200
100
Saturation Magnetic Flux Density (mT)
23℃
500
400
measuring conditions
f : 10kHz , Hm : 1194A/m
300
200
0
200
400
600
800
1000
20
1200
40
60
80
100
Temperature (℃)
Magnetic Field Strength H(A/m)
− 74 −
120
材質 Material : 3H2
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 ]
900
[ measured with φ22 toroid core ]
104
━━━ : 23℃
−−− : 100℃
700
600
f: 100kHz
B:200mT
500
f: 300kHz
B:100mT
400
300
f : 500kHz
B : 50mT
200
Power Loss [Pcv : kW/m3]
3
Power Loss [Pcv : kW/m ]
800
f:500kHz
f:200kHz
103
f:100kHz
102
10
100
1
0
20
40
60
80
100
10
120
102
103
Flux Density B(mT)
Temperature (℃)
⑦コアロス VS 周波数
Power Loss (Pcv) vs. Frequency
[ measured with φ22 toroid core ]
104
Power Loss [Pcv : kW/m3]
━━━ : 23℃
−−− : 100℃
Bm:200mT
Bm:100mT
103
Bm:50mT
102
10
1
10
102
103
Frequency (kHz)
− 75 −
High
-B