Kool Mu Magnetic Powder Core Or Sendust Magnetic Powder Core
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It is an alloy powder of 85% iron, 9% silicon and 6% aluminum, which is processed by a special process. It is compacted into a ring or E-shaped magnetic powder core, commonly called Kool Mu magnetic powder core or Sendust magnetic powder core in the market.
Basic characteristics of Fe Si Al alloy / Fe Si Al alloy editor
Fe-Si-Al alloy raw materials do not contain precious metals, such as Ni, M0, the cost is lower than the high-flux magnetic powder core containing Ni and Fe-Ni-Mo magnetic powder core. The price is slightly more expensive than the iron core.
It has low hysteresis coefficient and can be used as a low noise filter.
Fe-Si-Al alloy magnetic powder core, good temperature stability, temperature coefficient and other capacitors can form a composite component, has a good temperature compensation.
The maximum magnetic induction intensity of Fe Si Al alloy magnetic core is 10500 Gauss.
The loss of iron silicon aluminum alloy magnetic powder core is lower than that of iron powder core. Under high frequency working conditions, the temperature rise of magnetic powder core is much lower than that of iron powder core, which can be compared with MPP and High Flux magnetic powder core.
The iron silicon aluminum alloy magnetic powder core has excellent DC superposition characteristics and can work in a high current state.
Application of Fe Si Al alloy / Fe Si Al alloy editor
1) switch regulator inductor.EMB is most suitable for switching power supply energy storage inductor. It has a high energy storage capacity of up to 10500 Gauss and magnetic induction than open ferrite, and the temperature rise of magnetic powder core is much lower than that of iron powder core.
2) linear noise filter
EMB magnetic powder core is an ideal linear noise filter. Compared with ferrite core, EMB magnetic powder core has smaller size, fewer coils, and its expansion is close to zero. So it is used in audio range to reduce noise.
3) power factor correction pulse transformer and flyback transformer
Because of the high frequency and low loss characteristics of EMB magnetic powder core, it has been successfully applied to power factor corrector, pulse transformer and sweep transformer.
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