Toroidal Cores
( 6~12 m/m )
Dimensions and Magnetic Parameters
AL-Value is measured at Frequency:
100 KHz. Voltage 100mv. Wire 1 Tums.

ITEM

Mechanical Dimension

Magnetic Dimensions

AL (nH/N²)

OD(mm)

ID(mm)

HT(mm)

Le
mm

Ae
mm
²

Ve
mm
³

NP1
กำ25%

N05
กำ25%

N07
กำ30%

N10
กำ30%

T6*3*1.5

6.00กำ0.30

3.00กำ0.20

1.50กำ0.20

14.14

2.25

31.81

500

1000

1400

2000

T6*3*2

6.00กำ0.30

3.00กำ0.20

2.00กำ0.20

14.14

3.00

42.42

667

1333

1866

2666

T6*3*3

6.00กำ0.30

3.00กำ0.20

3.00กำ0.20

14.14

4.50

63.63

1000

2000

2800

4000

T6*3*3.18

6.00กำ0.30

3.00กำ0.20

3.18กำ0.20

14.14

4.50

63.63

1200

2100

2900

4200

T6.5*3.5*2.3

6.50กำ0.30

3.50กำ0.20

2.30กำ0.20

16.04

3.54

56.78

690

1380

1930

2760

T6.5*3.5*2.5

6.50กำ0.30

3.50กำ0.20

2.50กำ0.20

16.04

3.75

60.15

750

1500

2090

2920

T7.6*3.18*4.7

7.62กำ0.30

3.18กำ0.20

4.78กำ0.20

16.96

10.60

180.00

1960

3925

5500

7850

T7.6*3.5*4.78

7.60กำ0.30

3.50กำ0.20

4.78กำ0.20

17.44

9.80

170.99

1765

3530

4940

7060

T8*4*2

8.00กำ0.30

4.00กำ0.20

2.00กำ0.20

18.85

4.00

75.40

667

1333

1866

2666

T8*4*4

8.00กำ0.30

4.00กำ0.20

4.00กำ0.20

18.85

8.00

150.80

1333

2666

3732

5332

T9*5*3

9.00กำ0.30

5.00กำ0.20

3.00กำ0.20

22.00

6.00

132.00

857

1714

2400

3428

T9*5*5

9.00กำ0.30

5.00กำ0.20

5.00กำ0.20

22.00

10.00

220.00

1430

2857

4000

5720

T9.53*4.78*3.18

9.53กำ0.30

4.78กำ0.20

3.18กำ0.20

22.48

7.55

169.72

1055

2100

2950

4220

T9.53*4.78*4.9

9.53กำ0.30

4.78กำ0.20

4.90กำ0.20

22.48

11.40

256.27

1575

3150

4410

6300

T9.53*4.78*6.35

9.53กำ0.30

4.78กำ0.20

6.35กำ0.20

22.48

15.085

339.00

2100

4215

5900

8430

T10*5*4

10.00กำ0.30

6.00กำ0.20

4.00กำ0.20

25.13

8.00

201.04

1000

2000

2800

4000

T10*6*5

10.00กำ0.30

6.00กำ0.20

5.00กำ0.20

25.13

10.00

251.30

1250

2500

3500

5000

T10.3*5.4*4

10.30กำ0.30

5.40กำ0.20

4.00กำ0.20

24.66

9.80

242.00

1250

2500

3500

5000

T10.3*5.4*4.5

10.30กำ0.30

5.40กำ0.20

4.50กำ0.20

24.66

9.80

242.00

1406

2812

3937

5624

T10.3*5.4*5

10.30กำ0.30

5.40กำ0.20

5.00กำ0.20

24.66

12.25

302.00

1560

3121

4369

6240

T12*6*4

12.00กำ0.30

6.00กำ0.20

4.00กำ0.20

28.27

12.00

339.00

1333

2666

3733

5332

T12.7*7.3*4

12.70กำ0.30

7.30กำ0.30

4.00กำ0.20

31.42

10.80

339.00

1131

2264

3167

4524

T12.7*7.3*4.7

12.70กำ0.30

7.30กำ0.30

4.70กำ0.20

31.42

12.69

399.00

1301

2606

3640

5204

(1) Parylene coating is available on cores smaller than 6m/m.
(2) Toroidal cores > 6m /m can be coated with epoxy.  Colour code As right side.
(3) Dielectric breakdown voltage 1000 VAC min.
(4) Above table dimensions are nominal and given for uncoated cores.
(5) Approximate thickness per surface for epoxy coating is 0.3m /m approx. per surface.
(6) Approximate thickness per surface for parylene coating is 0.02m /m approx. per surface.       
Colour code
Material
colour
2500UI NP1
Yellow
5000UI NO5
Green
7000UI NO7
Dark Green
10000UI N10
Dark Green