Manganese Zinc Ferrite Cores 材質 Material:NC-4Y

Manganese Zinc Ferrite Cores
◆ 低ロスシリーズ
材質
Low Loss Series
Material:NC-4Y
項目
Parameter
初透磁率
Initial permeability
飽和磁束密度
Saturation flux density
LowLoss
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
4000±25%
−
23
100
23
510
360
100
100
206
23
10.4
100
12.7
23
<11
10-6
23
<1
10-6/mT
<-1.5
10-6/℃
210
℃
1
Ωm
4.80×103
kg/m3
23
d
25kHz-200mT
パワーロス
Power Loss
℃
Pcv
100kHz-200mT
200kHz-100mT
− 34 −
23
60
100
120
23
60
100
120
23
60
100
120
55
115
150
160
380
710
950
980
130
300
440
480
mT
mT
A/m
kW/m3
kW/m3
kW/m3
材質 Material : NC-4Y
② 素透磁率 VS 周波数
Complex Permeability
②初透磁率 VS 温度
vs. Frequency
Initial Permeability (μi) vs. Temperature
[ measured with φ30 toroid core ]
104
[ measured with φ30 toroid core ]
10000
9000
8000
103
μ'・μ"
7000
μi
6000
━━━ : μ'
−−− : μ"
Low-
5000
Loss
102
4000
3000
2000
10
10
102
103
104
1000
Frequency (kHz)
0
-40
0
40
80
120
160
200
240
Temperature (℃)
③ 対損失係数 VS 周波数
Relative Loss Factor (tanδ/μ i)
④ アロス VS 周波数
vs. Frequency
Power Loss (Pcv) vs. Frequency
[ measured with φ30 toroid core ]
10-1
[ measured with φ30 toroid core ]
104
━━━ : 23℃
−−− : 100℃
10-2
Bm:200mT
3
Power Loss [Pcv : kW/m ]
10
3
tanδ / μi
10-3
10-4
10
-5
Bm:100mT
102
Bm:50mT
10
1
10-6
10-7
10
102
103
10-1
10
104
Frequency (kHz)
102
Frequency (kHz)
− 35 −
103
材質 Material : NC-4Y
⑤コアロス VS 温度
⑤ アロス VS 磁束密度
Power Loss (Pcv) vs. Temperature
Power Loss (Pcv) vs. Flux Density
[ measured with φ30 toroid core ]
1000
900
━━━ : 23℃
−−− : 100℃
3
Power Loss [Pcv : kW/m ]
3
Power Loss [Pcv : kW/m ]
700
600
500
f: 200kHz
B:100mT
400
300
f:25kHz
10
2
10
1
200
f: 25kHz
B:200mT
100
10-1
10
0
0
20
40
60
80
100
120
⑥ B−H 曲線
Dynamic Magnetization Curves
[ measured with φ30 toroid core ]
600
23℃
500
400
100℃
300
200
100
0
200
400
600
102
Flux Density B(mT)
Temperature (℃)
Magnetic flux Density B(mT)
Loss
f:100kHz
103
800
Low-
[ measured with φ30 toroid core ]
104
f: 100kHz
B:200mT
800
Magnetic Field Strength H(A/m)
− 36 −
103