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low cost - Toroidal chokesThis page in German

Toroidal chokes for application at frequencies up to 50 kHz
Datasheet as PDF

ce

harmonics_optimized
energy

WEEE_RoHS

low stryfield sign

Fields of application and table can be found below

open - standing version

open - lying version

RD_05_1_mm
RD_05_2

Picture 1:

Picture 2:

Picture 3:

Picture 4:

Picture 5:

RD_5_3_mm

RD_5_4_mm

RD_5_5_mm

RD_5_6_mm

RD_5_7_mm

RD_5_3_rp

RD_5_4_rp

RD_5_4_rp

RD_5_6_rp

RD_5_6_rp

View on mounting side, pin grid 5 mm, pin diamenter
Ø0,6 mm, pin length 4 mm

View on mounting side, pin grid 5 mm, pin diamenter
Ø0,6 x 0,8 mm, pin length 3,5 mm

View on mounting side, pin grid 5 mm, pin diamenter
Ø0,8 mm, pin length 4 mm

View on mounting side, pin grid 2,5 mm, pin diamenter
Ø0,6 x 0,8 mm, pin length 3,5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter
Ø0,7 x 0,7 mm, pin length 3,5 mm

Picture 6:

Pictuer 7:

Picture 8:

Picture 9:

RD_6_1_mm

RD_6_2_mm

RD_6_3_mm

RD_6_4_mm

RD_6_1_rp

RD_6_2_rp

RD_6_3_rp

RD_6_4_rp

View on mounting side, pin grid 2,5 mm, pin diamenter
Ø0,7 x 0,7 mm, pin length 3,5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,8 mm, pin length 4 mm

View on mounting side, pin grid 5 mm, pin diamenter
Ø0,6 x 0,8 mm, pin length
5 mm

View on mounting side, pin grid 5 mm, pin diamenter Ø0,6 x 0,8 mm, pin length 3,5 mm

Picture 10:

Picture 11:

Picture 12:

RD_6_5_mm

RD_6_6_mm

RD_6_7_mm

RD_6_5_rp

RD_6_6_rp

RD_6_7_rp

View on mounting side, pin grid 5 mm, pin diamenter Ø0,8 mm, pin length 4 mm

View on mounting side, pin grid 5 mm, pin diamenter Ø0,6 x 0,8 mm, pin length 3,5 mm

View on mounting side, pin grid 5 mm, pin diamenter
Ø0,7 x 0,7 mm, pin length 5 mm

Picture 13:

Picture 14:

RD_7_1_mm

RD_7_2_mm

RD_7_1_rp

RD_7_2_rp

View on mounting side, pin grid 5 mm, pin diamenter
Ø0,7 x 0,7 mm, pin length 5 mm

View on mounting side, pin grid 5 mm, pin diamenter Ø0,6 x 0,8 mm, pin length 3,5 mm

 

 

Picture 40:

Picture 41:

RD_7_3_mm

RD_7_4_mm

Picture 15:

Picture 16:

Picture 17:

Picture 18:

Picture 19:

RD_8_1_mm

RD_8_2_mm

RD_8_3_mm

RD_8_4_mm

RD_8_5_1_mm

RD_8_1_rp

RD_8_2_rp

RD_8_3_rp

RD_8_4_rp

RD_8_5_1_rp

View on mounting side, pin grid 2,54 mm, pin diamenter Ø0,5 x 0,5 mm, pin length
3,5 mm

View on mounting side, pin grid 5 mm, pin diamenter Ø0,6 x 0,8 mm, pin length 5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,75 x 0,75 mm, pin length 3,3 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,8 mm, pin length 4 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,8 mm, pin length 4 mm

Picture 20:

Picture 21:

Picture 22:

Picture 23:

RD_8_6_mm

RD_8_7_mm

RD_8_8_mm

RD_8_9_mm

RD_8_6_rp

RD_8_7_rp

RD_8_8_rp

RD_8_9_rp

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,8 mm, pin length 4 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,75 x 0,75 mm, pin length 3,3 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,75 x 0,75 mm, pin length 3,3 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,8 mm, pin length 4 mm

Picture 24:

Picture 25:

Picture 26:

RD_9_1_mm

RD_9_2_mm

RD_9_3_mm

RD_9_1_rp

RD_9_2_rp

RD_9_3_rp

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,6 x 0,6 mm, pin length 5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,75 x 0,75 mm, pin length 3,5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,8 mm, pin length 4 mm

 

 

 

 

 

 

Bild 27:

Bild 28:

Bild 29:

RD_9_4_mm

RD_9_5_mm

RD_9_6_mm

RD_9_4_rp

RD_9_5_rp

RD_9_6_rp

View on mounting side, pin grid 2,54 mm, pin diamenter Ø0,8 x 0,8 mm, pin length 3,5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,6 x 0,8 mm, pin length 5 mm

View on mounting side, pin grid 2,54 mm, pin diamenter Ø0,8 x 0,8 mm, pin length 3,5 mm

 

 

 

 

 

 

Picture 30:

Picture 31:

Picture 32:

RD_10_1_mm

RD_10_2_mm

RD_10_3_mm

RD_10_1_rp

RD_10_2_rp

RD_10_3_rp

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,6 x 0,6 mm, pin length 3,5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,75 x 0,75 mm, pin length 4 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,6 x 0,8 mm, pin length 5 mm

 

 

 

 

 

 

Picture 33:

Picture 34:

Picture 35:

RD_10_4_mm

RD_10_5_mm

RD_10_6_mm

RD_10_4_rp

RD_10_5_rp

RD_10_6_rp

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,6 x 0,6 mm, pin length 3,5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,6 x 0,6 mm, pin length 3,5 mm

View on mounting side, pin grid 2,5 mm, pin diamenter Ø0,6 x 0,6 mm, pin length 3,5 mm

Picture 36:

Picture 37:

RD_11_1_mm

RD_11_2_mm

RD_11_1_rp

RD_11_2_rp

View on mounting side, pin grid 2,54 mm, pin diamenter Ø0,8 x 0,8 mm, pin length 3,5 mm

View on mounting side, pin grid 2,5 mm,
pin diamenter Ø0,6 x 0,8 mm, pin length 5 mm

 

 

 

 

Picture 38:

Picture 39:

RD_11_3_mm

RD_11_4_mm

RD_11_3_rp

RD_11_4_rp

View on mounting side, pin grid 2,5 mm,
pin diamenter Ø0,6 x 0,8 mm, pin length 5 mm

View on mounting side

Field of application

Filter- and storage choke in switching power supplies
RFI chokes for DC supplied devices
EMC choke, PFC choke, reactance choke

 

Beschreibung

One- or two winding chokes with toroidal core made of soft magnetic powder material, which is pressed. It is usable for frequencies up to 100 kHz. The toroidal core gives the ideal geometric shape for the magnetic flux, this results in a low magnetic stray field and low losses.
The dimensions are determined by the energy E = 0,5 L I².
If there is forced cooling, smaller dimensions are possible. If there is only a bit of over temperature of the choke allowed, the dimensions will increase. The winding is constructed for low voltage and is wound with low stray field.

 

Table

Type

Current

No-load

Rated

Storage

DC

 

Version

 

Copper

Total

 

 

inductance

inductance

energy

resistance

lying

standing

oopen

weight

weight

 

[A]

[µH]

[µH]

[mWs]

mOhm

 

 

D

H

[g]

[g]

 

 

 

 

 

 

 

 

 

 

 

 

DR...7

0,63

340

240

0,1

300

4

23

14

10

3

9

DR...7

0,63

480

400

0,1

350

4,6,7,

23,24

28

8

3

13

DR...7

0,63

860

700

0,1

500

4

23,24

19

9

4

18

DR...7

0,63

2100

1400

0,5

970

8,9,10

26,27,28

22

9

9

21

DR...7

1,00

350

280

0,2

200

4

23,24

19

9

4

11

DR...7

1,00

830

550

0,5

420

8,9,10

26,27,28

22

9

9

21

DR...7

1,00

2000

1200

1,3

680

11,12

31,32

26

11

15

37

DR...7

1,00

4200

2000

2,5

1100

11,12

31,32

27

12

23

47

DR...7

1,60

35

31

0,1

50

4,5,6,7

23,24

19

8

3

12

DR...7

1,60

185

140

0,3

90

4

23,24

20

9

5

18

DR...7

1,60

340

220

0,5

170

8,9,10

26,27,28

23

9

9

21

DR...7

1,60

860

500

1,3

290

11,12

31,32

26

12

16

38

DR...7

1,60

1550

900

2,6

410

11,12

31,33,34

29

15

22

64

DR...7

1,60

3900

2000

6,4

660

13,14

38

36

15

36

99

DR...7

2,00

120

90

0,3

70

8,9,10

26,27,28

22

9

6

18

DR...7

2,00

260

160

0,6

115

8,9,10

26,27,28

23

9

10

23

DR...7

2,00

390

250

1,0

145

11,12

31,32

25

11

13

34

DR...7

2,00

500

300

1,3

170

11,12

31,32

27

11

15

37

DR...7

2,00

810

500

2,0

210

11,12

31,33

28

14

18

59

DR...7

2,00

2000

1100

5,0

370

13,14

38

36

15

33

96

DR...7

2,00

2800

1700

10,0

590

40

39

41

15

52

136

DR...7

2,50

61

50

0,3

45

8,9,10

25,26,28

20

10

5

18

DR...7

2,50

140

90

0,5

75

8,9,10

26,28

22

10

8

20

DR...7

2,50

300

190

1,3

120

11,12

31,32

25

11

13

35

DR...7

2,50

990

550

3,1

200

13,14

36,37

28

18

21

75

DR...7

2,50

1900

900

7,8

390

13,14

38

39

15

42

105

DR...7

2,50

1700

1050

9,8

440

40

39

42

16

47

131

DR...7

3,15

48

35

0,2

30

8,9,10

26,27,28

22

8

5

16

DR...7

3,15

100

63

0,6

55

8,9,10

26,28

22

10

9

22

DR...7

3,15

195

120

1,2

80

11,12

31,32

26

12

14

36

DR...7

3,15

290

185

2,0

100

11,12

31,33,34

29

15

17

58

DR...7

3,15

480

290

3,1

125

13,14

36,37

29

18

22

75

DR...7

3,15

980

500

6,2

180

13,14

38

37

15

32

95

DR...7

3,15

1180

560

7,9

230

13,14

38

39

14

40

102

DR...7

3,15

1150

660

9,9

285

40

39

42

16

50

134

DR...7

4,00

28

22

0,3

15

8,9,10

26,27,28

22

8

5

17

DR...7

4,00

130

75

1,3

45

11,12

31,32

26

12

15

38

DR...7

4,00

180

115

2,0

55

11,12

31,33,34

29

15

19

61

DR...7

4,00

250

160

2,5

60

13,14

36,37

29

19

22

75

DR...7

4,00

300

180

3,2

70

13,14

36,37

29

19

24

79

DR...7

4,00

380

228

4,0

80

13,14

38

35

15

28

90

DR...7

4,00

720

350

8,0

130

13

38

40

15

45

108

DR...7

4,00

680

415

10,0

145

40

39

42

15

51

135

DR...7

4,00

1400

700

16,0

200

40

39

49

21

71

221

DR...7

5,00

18

14

0,3

10

8

26

22

9

6

17

DR...7

5,00

82

48

1,3

30

11,12

31,32

26

12

16

38

DR...7

5,00

190

115

3,1

45

13,14

36,37

29

19

25

79

DR...7

5,00

240

145

3,9

55

13,14

38

35

16

28

90

DR...7

5,00

460

220

7,9

85

13

38

40

15

46

110

DR...7

5,00

430

265

10,0

90

40

39

41

16

50

134

DR...7

5,00

890

440

16,6

125

40

39

47

21

70

220

DR...7

5,00

1000

480

20,0

150

41

39

49

21

72

235

DR...7

6,30

12

9

0,2

7

8,9,10

26,27,28

23

9

6

17

DR...7

6,30

26

16

0,6

11

8,9,10

26,27,28

23

9

9

21

DR...7

6,30

54

31

1,3

20

11,12

29,30,32

26

13

16

39

DR...7

6,3

72

48

2,0

24

11

31,33,34

29

16

20

62

DR...7

6,30

130

75

3,2

31

13,14

38

29

20

25

80

DR...7

6,30

190

108

5,0

39

13,14

38

36

16

32

95

DR...7

6,30

285

140

7,9

54

13,14

38

38

16

45

110

DR...7

6,30

270

165

9,9

61

40

39

41

16

51

135

DR...7

6,30

540

272

15,9

86

40

39

47

22

71

221

DR...7

6,30

640

300

19,8

97

40

39

47

22

80

231

DR...7

8,00

5,6

4,4

0,2

4

8,9,10

26,27,28

23

9

5

17

DR...7

8,00

13,5

8,8

0,5

7

8,9,10

26,27,28

23

9

8

20

DR...7

8,00

29

17

1,0

9

11,12

29,30,32

27

11

12

34

DR...7

8,00

72

40

3,2

20

13,14

34,36,37

30

17

26

69

DR...7

8,00

98

54

4,0

22

13,14

38

30

20

29

84

DR...7

8,00

175

85

8,0

35

13,14

38

39

16

46

110

DR...7

8,00

165

101

10,1

40

40

39

41

17

52

136

DR...7

8,00

300

144

12,8

47

40

39

43

20

61

170

DR...7

8,00

350

175

16,0

56

40

39

47

22

73

222

DR...7

8,00

400

189

20,2

63

40

39

47

22

82

233

DR...7

10,00

3,8

2,8

0,2

3

8,9,10

26,27,28

23

10

5

16

DR...7

10,00

8,9

5,5

0,5

4

8,9,10

26,27,28

23

10

8

20

DR...7

10,00

19,5

12

1,3

7

11,12

29,30,32

27

11

13

34

DR...7

10,00

45

25

3,2

13

13,14

34,36,37

30

17

25

68

DR...7

10,00

75

43

5,0

14

13,14

38

36

14

26

88

DR...7

10,00

110

56

8,0

24

13,14

38

39

17

44

108

DR...7

10,00

110

66

10,0

26

40

39

42

17

49

133

DR...7

10,00

200

100

15,8

36

40

39

48

23

68

217

DR...7

10,00

250

120

20,0

42

40

39

48

23

77

228

DR...7

16,00

3,8

2,2

0,5

2

8,9,10

26,27,28

24

10

9

21

DR...7

16,00

7,2

4,7

1,3

3

11,12

31,32

28

12

15

37

DR...7

16,00

11

7,2

1,9

3

12

36,37

31

15

18

60

DR...7

16,00

17,5

10,6

2,6

4

13,14

36,37

31

19

21

75

DR...7

16,00

47

22

8,1

7

13

38

40

15

42

105

DR...7

16,00

72

35

12,8

10

40

38

44

19

56

164

DR...7

16,00

100

48

20,5

15

41

39

49

25

92

245

DR...7

20,00

2,1

1,32

0,5

1

8,10

26,27

25

11

9

22

DR...7

20,00

4,9

2,85

1,3

2

11,12

32,33

28

12

15

38

DR...7

20,00

11

6,5

3,2

3

13,14

36,37

31

16

24

67

DR...7

20,00

15

8,8

4,0

3

13,14

36,37

31

19

27

82

DR...7

20,00

23

12,7

6,2

4

13,14

38

38

16

39

100

DR...7

20,00

30

14

8,0

5

13

38

40

15

43

106

DR...7

20,00

55

28

16,0

8

41

39

49

21

69

218

DR...7

25,00

15

8

6,6

3

13,14

38

38

16

36

100

DR...7

25,00

17,5

10,2

9,7

3

40

39

43

16

49

133

DR...7

25,00

38

18,9

19,7

6

41

39

50

22

78

229

DR...7

25,00

68

32

31,3

6

41

39

52

23

88

295

DR...7

31,50

10

5,3

6,4

2

13,14

38

39

17

37

101

DR...7

31,50

11

6,7

10,4

2

40

39

44

17

52

136

DR...7

31,50

23,5

12

19,8

3

41

39

50

22

80

231

DR...7

40,00

6,6

3,3

6,4

1

13,14

38

39

17

38

102

DR...7

40,00

6,1

3,2

8,0

2

40

39

42

17

47

111

DR...7

40,00

15

7

16,0

2

41

39

51

23

73

223

DR...7

40,00

28,5

12,4

32,0

3

41

39

53

24

92

300

DR...7

50,00

1,7

1,1

3,1

0,5

13,14

36,37

34

18

28

71

DR...7

50,00

3,8

1,8

5,0

0,5

13

38

40

18

35

100

DR...7

50,00

3,8

1,9

6,3

0,5

13

38

40

18

39

105

DR...7

50,00

4,3

2,6

10,6

0,7

40

39

46

18

57

145

DR...7

50,00

8,2

3,8

12,5

0,7

40

39

47

22

64

175

DR...7

50,00

11

4,7

16,9

1

41

39

52

24

79

230

DR...7

60,00

1

,08

3,6

0,5

41

39

44

18

32

95

DR...7

60,00

2,1

1,2

5,6

0,5

41

39

41

19

36

100

DR...7

60,00

2,6

1,75

9,0

0,5

40

39

46

19

50

135

DR...7

60,00

6,8

3

14,4

0,7

41

39

52

24

70

220

Technical changes and optimization reserved