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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 DC Bias Alloy Powder Core

High DC Bias Alloy Powder Core

GMC Magnetic Powder Cores Series are coated by improved epoxy that can resist high temperature up to grade,The coating also complies with the requirement of environmental protection and RoHS.The finishing has a minimum dielectric strength of 600Vrms at 50Hz and can resist most cleaning solvents.

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Physical Dimensions

OD

Bare Core Nominal

39.88 mm

1.570 in

Coated Core (max)

40.69 mm

1.602 in

ID

Bare Core Nominal

24.13 mm

0.950 in

Coated Core (min)

23.32 mm

0.918 in

Ht

Bare Core Nominal

14.48 mm

0.570 in

Coated Core (max)

15.37 mm

0.605 in

Magnetic Dimensions

Ae

Effective  Magnetic Cross Section 1.07 cm²

Le

Effective  Magnetic Path Length 9.85 cm

Ve

Effective Core Volume 10.5 cm³

WA

Minimum Effective Window Area 4.27 cm²

SA

Surface Area 60.2 cm²

MLT

Mean Length Per Turn 5.98 cm

Permeability

Reference
Perm.

AL Value(nH/N²)

AS Sendust

AF Fe-Si

APH Super    Sendust

AH High Flux

14µ

19

AS400014

AF400014

APH400014

AH400014

26µ

35

AS400026

AF400026

APH400026

AH400026

40µ

54

AS400040

AF400040

APH400040

AH400040

60µ

81

AS400060

AF400060

APH400060

AH400060

75µ

101

AS400075

AF400075

APH400075

AH400075

90µ

121

AS400090

AF400090

APH400090

AH400090

125µ

168

AS400125

AF400125


AH400125

147µ

198

AS400147



AH400147

Approx. Unit Weight:

61 g

72 g

59 g

72 g

Test Conditions

Winding

N=70, #20 AWG

Frequency

10 kHz

Voltage

0.33 V

AL Tolerance

±8%

Magnet Wire Winging Data

Wire Size

AWG

8

10

12

14

16

18

20

22

24

26

28

mm

3.150

2.500

2.000

1.600

1.250

1.000

0.800

0.630

0.500

0.400

0.315

Single Layer

Turns

17

22

28

35

45

56

70

88

111

138

173

Rdc(Ω)

2.1 m

4.3 m

8.7 m

17.3 m

35.4 m

70.0 m

139.2 m

278.3 m

558.3 m

1.1

2.2

Full
Winding

Turns

22

35

54

83

128

199

307

476

736

1,139

1,764

Rdc(Ω)

2.7 m

6.8 m

16.8 m

41.0 m

100.6 m

248.8 m

610.5 m

1.5

3.7

9.1

22.4

Coating/Packaging Information

Coating Type

Black Epoxy

Voltage Breakdown

2000 Vrms

Limit

0.1 mA, 5 s

Package Quantity

216 Pcs/Box

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

Surface coating:

GMC Magnetic Powder Cores Series are coated by improved epoxy that can resist high temperature up to grade,The coating also complies with the requirement of environmental protection and RoHS.The finishing has a minimum dielectric strength of 600Vrms at 50Hz and can resist most cleaning solvents.However,extended exposures to certain solvents may have detrimental effects. 
The method of testing the insulation strength of the surfacing coating:put two electroplates on tne corners of the cores'two surfaces,app;ies 50Hz,1250Vrms and last for 5 seconds.

image011(001)

Percent Initial Permeability vs.DC Magnetizing Force


image015(001)

Percent Initial Permeability vs.Peak AC Flux Density

image019(001)

Initial Permeability vs.Frequency


image021(001)

Permeability vs. Temperature

Sendust (AS) Core Loss

image023

Typical Applications:

Workshop and equipment:

image031_副本2

image031_副本3

Corporate honor:

image076_副本

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