Samwha Electronics

Material Characteristics

磁性粉末磁心使用高频中具有低损失的金属粉末，均匀分布空隙的磁心。其特征为因为很小的空隙而几乎不发生泄漏磁流，经过很高DC电流也不会容易饱和。
MPC产品有，不同金属合金制造的MPP、High-Flux、Sendust以及 SFlux。因为具有Automatic Voltage Control、Power conversion以及减少电磁波噪音等优秀的特征，这些MPC产品只使用为电子产品的多种电源和通信应用中的核心零件。


Materials	Fe-Ni-Mo alloy	Fe-Ni alloy	Fe-Si-Al alloy	Fe-Si alloy

Nickel content	80%	50%	0%	0%

Finish	Epoxy, Parylene-C, Plastic Case

Sizes	From OD: 3.5mm to OD: 77.8mm

Core Color	Gray	Khaki	Black	Light Blue

Materials Code	M	H	S	F

Permeabilities(μ)	26,60,125,147, 160,173,200	26,60,125,147, 160,173,200	26,60,75,90,125	60,90

Flux Density(G)	7000	15000	10000	16000

Perm. Vs. DC bias	Better	Best	Good	Best

Core Loss	Lowest	Low	Medium	High

Density	8.0g/㎤	7.5g/㎤	6.0g/㎤	6.5g/㎤

Curie Temp.(℃)	450℃	500℃	500℃	700℃

Temp. Stability	Better	Best	Good	Best

Relative Cost	Highest	High	Low	Medium

Break-Down Voltage	500V min.

Magnetic Characteristics	Low hysteresis and eddy current Losses	Excellent DC-Bias performance	Much lower core losses than Iron powder cores	Very high saturation flux density

	Excellent inductance stability under high DC bias conditions	Relatively low core losses	Good DC Bias performance	execllent DC Bias performance

	Excellent temperature stability	Large energy Storage Capacity	Comparatively lower price among powder cores	Low core losses compared to Fe-Si Laminations

	High resistivity			High energy storage capacity

Major Applications	Low loss filter circuits	PFC chokes	PFC chokes	PFC chokes

	Transformers	Switching regulator inductors	Switching regulator inductors	SMPS choke inductors

	Loading coils	In-line noise filters	In-line noise filters	Boost reactors

	EMI/RF filters	Output chokes	Pulse transformers	UPS coke inductors

	Inductors		Flyback transformers	Switching regulator inductors