Hitachi Metals America, Ltd.

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High BM and Power Materials

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Characteristics   Unit MBB22D MBB30D MBB19D MBB28D
μi
Initial permeability
±25% ±25% ±25% ±25%
23℃ 2200 3000 1900 2800
Bs
Saturation magnetic flux density
23℃ mT 510 ※ 480 530 530
Magnetic field 1000A/m ※1200A/m 100℃ 420※ 340 440 440
Br
Remanent flux density
23℃ mT 180 180 300 100
100℃ 70 160
Hc
Coercive force
23℃ A/m 15 12 22 15
100℃ 7.5
tanδ/μi
Relative loss factor
10kHz ×10-6 3.5 2.5
100kHz 5.5 3.5
Core loss volume density
Pcv 100kHz 200mT
23℃ 850 1100 800 480
40℃
60℃ 600 1150 540 310
80℃ kW/m3 520 430 400
100℃ 500 1500 370 520
120℃ 620 350 620
140℃ 420
αμir
Relative temperature factor
20~60℃ ×10-6 6.0 2.2 6.0 2.0
Tc
Curie temperature
>200 >200 >220 >220
ρ
Electrical resistivity
Ω・m 5.0 0.4 8.0 8.0
Density
kg/m3 4.85×103 4.85×103 4.85×103 4.85×103

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