Magnetics Inc Kool Mu MAX Product Image

Kool Mµ MAX Powder Cores

A supercharged version of the low core loss Kool Mµ material. It retains all of the benefits of Kool Mµ but brings superior performance closer to that of Magnetics’ premium material, whilst offering better DC-bias performance.

Supplier: Magnetics Inc.

Technology type: Powder Cores

Kool Mµ MAX is the next generation of Sendust cores from Magnetics. Magnetics supercharged their low core loss Kool Mµ material with 50% better DC bias performance for better power handling. The use of copper wire is minimised by maintaining inductance using fewer turns, resulting in savings in overall component cost. With its super low losses, Kool Mμ MAX does not mimic the temperature rise problems found in iron powder cores and improves inductor efficiency at a fraction of the cost of High Flux with Kool Mµ MAX.

Range features

A high level overview of what this range offers

  • Advanced FeSiAl alloy powder material
  • Available permeabilities: 14 - 60
  • KoolMµ material with improved DC bias behaviour and higher saturation point
  • Relatively low core losses - the same as Kool Mµ
  • Available in toroids, E cores, and blocks
  • Relatively low-cost material - no nickel inside
  • Saturation flux density: 1.0T
  • Curie temperature: 500°C
  • 60µ usable up to 15MHz

What's in this range?

All the variants in the range and a comparison of what they offer

Model

Size (finished) (OD × ID × HT)

A L (nH/N2) 14 µ

A L (nH/N2) 19 µ

A L (nH/N2) 26µ

A L (nH/N2) 40µ

A L (nH/N2) 60µ

Le (cm)

Ac (cm2)

Vol (cm3)

050

13.5 x 6.99 x 5.51

-

9

12

18

27

31.2

10.9

340

120

17.3 x 9.53 x 7.11

-

11

15

24

35

41.2

19.2

791

380

21.1 x 12.1 x 7.11

-

14

19

28

43

41.4

23.2

960

206

23.6 x 13.3 x 8.4

-

10

14

21

32

50.9

22.1

1,120

310

24.3 x 13.8 x 9.7

-

14

19

29

43

56.7

31.7

1,800

350

27.7 x 14.1 x 11.9

-

16

22

34

51

58.8

38.8

2,280

930

33.7 x 19.5 x 11.4

18

23

32

50

75

63.5

65.4

4,150

548

33.7 x 19.5 x 11.4

14

20

28

41

61

81.4

65.6

5,340

585

35.2 x 22.6 x 9.8

9

12

16

25

38

89.5

46.6

4,150

324

36.7 x 21.5 x 11.4

13

18

24

37

56

89.8

67.8

6,090

254

40.8 x 23.3 x 15.4

19

26

35

54

81

98.4

107

10600

454

43.83 x 23.4 x 17.26

-

-

47

72

108

102

147.5

15100

089

47.63 x 27.88 x 16.2

20

27

37

57

86

116

134

15600

438

47.63 x 23.3 x 19

32

43

59

90

135

107

199

21300

725

51.31 x 23.9 x 21.6

41

56

76

117

175

114

262

29700

715

51.69 x 30.93 x 14.4

17

23

32

49

73

127

125

15900

109

58.0 x 34.7 x 14.9

18

24

33

50

75

143

144

20,700

195

58.0 x 25.6 x 13.2

32

44

60

92

138

125

229

28,600

620

62.9 x 31.7 x 25.9

44

60

82

126

189

144

360

51,800

070

69.4 x 34.7 x 21.4

33

48

65

100

143

158

314

49,700

778

78.9 x 38.3 x 26.8

47

64

88

135

205

177.2

492

81,500

740

75.0 x 44.4 x 35.9

48

64

88

136

204

184

497

91,400

866

78.9 x 48.2 x 13.9

16

22

30

45

68

196

176

34,500

906

78.9 x 48.2 x 17.1

20

27

37

57

85

196

221

43,400

102

103.0 x 55.75 x 17.9

26

35

48

74

111

243

358

86,900

337

134.0 x 77.19 x 26.8

37

50

68

-

-

324

678

220,000

165

166.5 x 101.2 x 33.15

42

-

-

-

-

412

987

407,000

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