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G&M Golden Mangetic Technology ( Shenzhen ) Co., LTD.

Tel:+86-755-86332949  Fax: +86-755-26406857

Address:Unit 603, block A huachuangda building,  Baoan District, Shenzhen, Guangodng 

G&M Golden Magnetic Technology (Hongkong ) Co.,Ltd.

Tel:+852-29477355    Fax:+852-29477356

Office Address:1101 Leader industry center, No.57-59 An pui wan Street, Fotan, Shatin, Hongkong

Factory Add:118 Liangtian Zone, Taimei town, Boluo disrict, huizhou city, guangdong province

E-mail:Daniel@goldenmagnetic.com


High Flux Core for Amplifier Inductor

High Flux Core for Amplifier Inductor

High Flux Powder Cores are naturally suited for the energy storage filter inductors used in switch-mode power supplies. The 15,000 gauss saturation level of High Flux cores provides a higher energy storage capability than can be obtained with gapped ferrites or powdered iron cores of the same size and effective permeability.

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 Physical Dimensions

OD

Bare Core Nominal

11.18 mm

0.440 in

Coated Core (max)

11.89 mm

0.468 in

ID

Bare Core Nominal

6.35 mm

0.250 in

Coated Core (min)

5.89 mm

0.232 in

Ht

Bare Core Nominal

3.96 mm

0.156 in

Coated Core (max)

4.72 mm

0.186 in

 Magnetic Dimensions

Ae

Effective  Magnetic Cross Section 0.0906 cm²

Le

Effective  Magnetic Path Length 2.69 cm

Ve

Effective Core Volume 0.244 cm³

WA

Minimum Effective Window Area 0.272 cm²

SA

Surface Area 5.10 cm²

MLT

Mean Length Per Turn 1.84 cm

Permeability

Reference
Perm.

AL Value(nH/N²)

AS Sendust

AF Fe-Si

APH Super Sendust

AH High Flux

60µ

26

AS112060

AF112060

APH112060

AH112060

75µ

32

AS112075

AF112075

APH112075

AH112075

90µ

38

AS112090

AF112090

APH112090

AH112090

125µ

53

AS112125



AH112125

147µ

63

AS112147



AH112147

160µ

68

AS112160



AH112160

173µ

74

AS112173




205µ

88

AS112205




250µ

106

AS112250




Approx. Unit Weight:

1.4 g

1.7 g

1.4 g

1.7 g

Test Conditions

Winding

N=60, #30 AWG

Frequency

10 kHz

Voltage

0.024 V

AL Tolerance

±8% (±12% AS)

Magnet Wire Winging Data

Wire Size

AWG

18

20

22

24

26

28

30

32

34

36

38

mm

1.000

0.800

0.630

0.500

0.400

0.315

0.250

0.200

0.160

0.125

0.100

Single
Layer

Turns

12

16

20

26

33

42

52

66

83

103

129

Rdc(Ω)

4.6 m

9.8 m

19.5 m

40.2 m

81.2 m

164.4 m

323.6 m

653.3 m

1.3

2.6

5.1

Full
Winding

Turns

13

20

30

47

73

113

174

270

417

646

999

Rdc(Ω)

5.0 m

12.2 m

29.2 m

72.7 m

179.6 m

442.2 m

1.1

2.7

6.6

16.2

39.8

Coating/Packaging Information

Coating Type

Black Epoxy

Voltage Breakdown

1000 Vrms

Limit

0.1 mA, 5 s

Package Quantity

10000 Pcs/Box

G&M is able to customize the design to meet customers’ requirements.

·  High Flux Powder Cores are naturally suited for the energy storage filter inductors used in switch-mode power supplies. The 15,000 gauss saturation level of High Flux cores provides a higher energy storage capability than can be obtained with gapped ferrites or powdered iron cores of the same size and effective permeability.

·  High Flux cores will often result in a marked size and cost reduction when used in inductors that must carry large amounts of direct current.

·  High Flux cores are ideal for in-line noise filters where the inductor must support large AC voltage without core saturation occurring.

·  Line filters using High Flux cores can be smaller in size, requiring fewer turns than powdered iron or ferrite cores.

·  High Flux powder cores have a very low residual flux density. Combined with their saturation flux density of 15,000 gauss, this very large ΔB makes these cores excellent for use in power factor correction circuits as well as unidirectional drive applications such as flyback transformers and pulse transformers.

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Percent Initial Permeability vs.DC Magnetizing Force


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Percent Initial Permeability vs.Peak AC Flux Density


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Initial Permeability vs.Frequency


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Permeability vs. Temperature


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High flux core (AH)Loss

Workshop and equipment:

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Corporate honor:

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