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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


Permeability 125 High Flux Core

Permeability 125 High Flux Core

Powder cores are distributed air gap cores made from ferrous alloy powders for low losses at high frequencies. Small air gaps distributed evenly throughout the cores increase the amount of DC that can be passed through the winding before core saturation occurs.

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Physical Dimensions

OD

Bare Core Nominal

3.94 mm

0.155 in

Coated Core (max)

4.14 mm

0.163 in

ID

Bare Core Nominal

2.21 mm

0.087 in

Coated Core (min)

2.01 mm

0.079 in

Ht

Bare Core Nominal

2.54mm

0.100 in

Coated Core (max)

2.74 mm

0.108 in

Magnetic Dimensions

Ae

Effective Magnetic Cross Section 0.0211 cm²

Le

Effective Magnetic Path Length 0.942 cm

Ve

Effective Core Volume 0.0197 cm³

WA

Minimum Effective Window Area 0.0317 cm²

SA

Surface Area 0.776 cm²

MLT

Mean Length Per Turn 0.862 cm

Permeability

Reference
Perm.

AL Value(nH/N²)

GMAS Sendust

GMAF Fe-Si

GMAPH Super Sendust

GMAH High Flux

60µ

17

GMAS039060

GMAF039060

GMAPH039060

GMAH039060

75µ

21

GMAS039075

GMAF039075

90µ

25

GMAS039090

GMAF039090

125µ

35

GMAS039125

GMAPH039125

GMAH039125

147µ

41

GMAS039147

GMAH039147

160µ

45

GMAS039160

GMAH039160

173µ

48

GMAS039173

205µ

57

GMAS039205

250µ

70

GMAS039250

Approx. Unit Weight:

0.11 g

0.13 g

0.11 g

0.14 g

Test Conditions

Winding

N=30, #32 AWG

Frequency

10 kHz

Voltage

0.003 V

AL Tolerance

±8% (±15% GMAS)

Magnet Wire Winging Data

Wire Size

AWG

28

30

32

34

36

38

40

42

44

-

-

mm

0.315

0.250

0.200

0.160

0.125

0.100

0.080

0.063

0.050

-

-

Single
Layer

Turns

12

16

21

26

33

42

53

67

84

-

-

Rdc(Ω)

22.0 m

46.7 m

97.4 m

191.8 m

387.1 m

783.6 m

1.6

3.2

6.3

-

-

Full
Winding

Turns

13

20

31

49

75

116

180

279

431

-

-

Rdc(Ω)

23.8 m

58.3 m

143.8 m

361.4 m

879.8 m

2.2

5.3

13.2

32.3

-

-

Coating/Packaging Information

Coating Type

Black Epoxy

Voltage Breakdown

500 Vrms

Limit

0.1 mA, 5 s

Package Quantity

100000 Pcs/Box

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

Definition:

Powder cores are distributed air gap cores made from ferrous alloy powders for low losses at high frequencies. Small air gaps distributed evenly throughout the cores increase the amount of DC that can be passed through the winding before core saturation occurs.

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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:

image031_副本2

image031_副本3

Corporate honor:

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