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PFC inductor magnetic core

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PFC inductor magnetic core

PFC in DC inverter air conditioner

PFC in UPS uninterruptible power supply

PFC in SMPS switching power supply

PFC in plasma TV

PFC in inverter circuit

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Description

Parameters

Amorphous cut core

◆For example: AM-PFC-100060050 represents an iron-based nanocrystalline common mode inductor core with outer diameter OD=100mm, inner diameter ID=60mm, and height H=50mm.

performance characteristics

◆At present, there are two main types of magnetic materials suitable for making PFC inductors: ferrite and amorphous soft materials. Ferrite has been widely used in amorphous materials. With the development of high-power, high-frequency, and low-loss power supplies, it can no longer meet the requirements. Due to the high saturation value (Bs) of amorphous material, which is three times that of ferrite, under the same use conditions, the inductance can reach three times of ferrite, and the volume is only half of ferrite. Amorphous material has a high Curie temperature, and its temperature stability is much better than that of ferrite. It is an ideal material for making PFC inductors.

◆Has excellent constant inductance characteristics

◆DC bias resistance ability

◆Low loss

Application area

◆PFC in DC inverter air conditioner

◆PFC in UPS uninterruptible power supply

◆SMPS switching power supply PFC

◆PFC in plasma TV

◆PFC in inverter circuit

Parameter comparison

Performance	Fe-based amorphous	Nanocrystalline alloy	Permalloy	Cold rolled silicon steel
Saturation magnetic induction Bs（T）	1.56	1.25	0.75T	2.03
Maximum permeability mm	45*104	60*104	60*104	4*104
Initial permeability（mO）	103~104	4~8*104	5~8*104	~103
Coercivity Hc（A/M）	4	1.2		30
Iron loss（W/Kg）	P1.0T/1KHz<4	P0.2T/1KHz<3.4		P1.0T/1KHz<20
Resistivity r（mW.cm）	130	90		47
Curie temperature （℃）		570	400	740
proportion d（g/cm³）	7.2	7.25	8.75	7.65
Strip thickness （mm）	0.03	0.03	0.15	0.3

Typical core specifications

Core model	Core size			Finished size			Magnetic path length	Effective cross-sectional area
Core model	TD(mm)	ID(mm)	H(mm)	TD(mm)	ID(mm)	H(mm)	Le(cm)	Ae(cm²)	g
AM-PFC-040025015	40	25	15	45	20	20	10.21	90	66
AM-PFC-050032015	50	32	15	55	27	20	12.88	108	100
AM-PFC-060035025	60	35	25	65	30	30	14.92	250	270
AM-PFC-020012010	64	40	20	69	35	25	16.33	192	220
AM-PFC-025016010	70	40	25	75	35	30	17.27	300	370
AM-PFC-030020010	26	16	10	30.6	14	13.6	6.59	40	19.12
AM-PFC-032020010	30	20	10	38.7	18	136	7.85	40	22.77
AF-PFC-030020015	30	20	15	36.7	18	18.6	7.85	60	34.15
Note: Other specifications can be provided according to customer requirements