Anhui Astromagnet Co., Ltd.

China Manufacturer with main products: Speaker & Motor Magnets, Ndfeb Magnet, Ferrite Magnets, Flexible Magnets, Alnico Magnets, Smco Magnets, Magnetic Assemblies, Amorphous and...

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Amorphous PFC Inductance Core

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Oceania, Eastern Asia, Western Europe
Place of Origin: Anhui in China

Quick Details

  • Brand Name: ASTROMAGNET
  • Model Number: AMFC-020012008
  • material: amorphous
  • shape: cut core

Specifications

When bridge type rectifier and big capacitor filtering are adopted in switching power supply, input current shapes
as small top wave, non-line, and input power factor only reaches 0.5~0.7. The current regulations both at home and abroad stipulates that the input power factor of switch power supply should reach above 0.9, and power factor correction must be adopted to improve the factor. At present, normally active power factor is adopted to correct
circuit such as voltage rising switch circuit), among this system, inductance and filtering inductance are different, this functions as energy storage and transition, which result in different designs. Fe-based Amorphous core works as power factor correction inductance, under the conditions of 20KHZ, 2.5KVA power factor correction circuit. Compared with silicone steel core with thickness of 0.1, the Core loss drops from 28.8W to 4.4W, and its weight
from 4.75KGS to 4.2KGS, so amorphous is the ideal material for PFC inductance.
Applications :

▲ Substitute of silicone steel, works as output filtering inductance and reactor for high-power frequency rectifier
▲ Substitute of thin silicone steel and ferrite, works as output filtering inductance in high-power medium and high frequency power supply(400Hz~50kHz)
▲ As a power factor correction inductancebelow 50KHZ), applied in frequency conversion AC, UPS, switching mode power supply, etc.
Properties :
▲ Open core, excellent constant inductance performance and anti-DC bias magnetic capacity
▲ High saturation flux density Bs---enabled to reduce transformer sizes
▲ High permeability, low coercivity---enabled to improve transformer work efficiency and reduce coil distribution parameter
▲ Low loss—enabled to reduce transformer temperature rise
▲ Excellent stability---workable for long under 130℃.
Magnetic properties :
▲ Physical properties of Fe-based Toroidal amorphous open inductance core
Saturation flux density Bs
1.56T
Hardness Hv
960kg /mm2
Curie temperature Tc
410 ℃
Density d
7.18g /cm3
Crystallization temperature Tx
550 ℃
Resistivity ρ
130μΩ -cm
Saturation magnetosteiction
coefficient l s
27×10 -6
Thermal expansion coefficient
 
Item list :
Ref.
Core size
Housing size
Magnetic path length
Net sectional area
Weight
od
id
h
OD
ID
H
Le
Ae
(g)
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
(cm2)
AMFC-020012008
20
12
8
21.8
10.8
10
50
25
15
AMFC-026016010
26
16
10
30.6
14
13.6
65.9
40
19.1
AMFC-030020010
30
20
10
38.7
18
13.6
78.5
40
22.8
AMFC-030020015
30
20
15
36.7
18
18.6
78.5
60
34.2
AMFC-040025015
40
25
15
45
20
20
102.1
90
66
AMFC-050032015
50
32
15
55
27
20
128.8
108
100
AMFC-060035025
60
35
25
65
30
30
149.2
250
270
AMFC-064040020
64
40
20
69
35
25
163.3
192
220
AMFC-070040025
70
40
25
75
35
30
172.7
300
370
Technical info of winding inductance :
Ref.
Core size
Rated current
inductance
AL value
No. Of
winding turn
od
id
ht
Current I
L
(μH)
N
(mm)
(mm)
(mm)
(A
(μH)
AMFC-020012008
20
12
8
3
400
0.115
60
AMFC-020012008
20
12
8
5
155
37
AMFC-020012008
20
12
8
8
60
23
AMFC-020012008
20
12
8
10
40
19
AMFC-026016010
26
16
10
3
1000
0.133
87
AMFC-026016010
26
16
10
5
300
48
AMFC -026016010
26
16
10
8
155
34
AMFC -026016010
26
16
10
10
100
28
AMFC -026016010
26
16
10
15
45
18
AMFC -030020010
30
20
10
5
505
0.12
65
AMFC -030020010
30
20
10
8
255
46
AMFC -030020010
30
20
10
10
165
37
AMFC -030020010
30
20
10
15
75
25
AMFC -030020010
30
20
10
20
45
19
Remarks: customized cores of other sizes and different characteristics available upon request .

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