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Metal core SMD power inductors with high-current ratings

Metal core SMD power inductors with high-current ratings

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By eeNews Europe



With the optimised shape of its metal core, the MDWK4040 utilises Taiyo Yuden’s proprietary magnetic metal material and claims to achieve one of the best direct-current superposition characteristics available. 11 items in the range offer DC superposition current from of 17.0 down to 2.2A (max), nominal inductance from 0.2 to 10 µH and corresponding temperature rise current 9.2 to 1.6A (max).

Part No.

Nominal inductance [µH]

Inductance tolerance [%]

DC Resistance [mΩ] (max)

Rated current [A]

DC superposition  current

Temperature rise current

max.

typ.

max.

typ.

MDWK4040TR20NM

0.20

±30

9.8

17.0

23.0

9.2

10.0

MDWK4040TR33NM

0.33

±30

13

16.0

21.0

7.8

8.8

MDWK4040TR47NM

0.47

±30

13

10.0

15.0

7.8

8.8

MDWK4040TR68MM

0.68

±20

16

8.0

12.0

7.3

8.3

MDWK4040T1R0MM

1.0

±20

27

7.0

9.4

5.1

5.8

MDWK4040T1R5MM

1.5

±20

41

7.0

9.4

4.1

4.7

MDWK4040T2R2MM

2.2

±20

54

5.4

7.5

3.5

4.0

MDWK4040T3R3MM

3.3

±20

75

3.7

5.2

3.0

3.3

MDWK4040T4R7MM

4.7

±20

107

3.5

5.0

2.5

2.8

MDWK4040T6R8MM

6.8

±20

158

2.9

4.0

2.0

2.3

MDWK4040T100MM

10

±20

194

2.2

3.1

1.6

1.9

Dengrove Electronic Components; www.dengrove.com

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