Molding Power Inductors – HEI Series

Electrical Characteristics

Inductance

Tolerance

Test

Frequency

Irms(A)

Isat(A)

RDC(mΩ)

Part Number

(uH)

(±%)

(MHz)

Max(Typ)

Max(Typ)

Max(Typ)

HEI322510A-R24M-Q8

0.24

20

2

6.0(6.8)

9.0(11.5)

16(12)

HEI322510A-R33M-Q8

0.33

20

2

5.8(6.5)

8.0(9.5)

17(12.5)

HEI322510A-R47M-Q8

0.47

20

2

4.5(5.4)

6.0(7.3)

24(19)

HEI322510A-1R0M-Q8

1.0

20

2

3.3(3.7)

4.1(4.7)

46(39)

HEI322510A-1R5M-Q8

1.5

20

2

3.2(3.5)

3.5(4.0)

58(50)

HEI322510A-2R2M-Q8

2.2

20

2

2.5(2.8)

3.0(3.5)

85(73)



Irms DC current (A) that will cause an approximate ΔT of 40℃.



Isat DC current (A) that will cause L to drop approximately 30%



Tolerance：M = ±20%



L : Agilent E4991/HP4287A+16197A, 2MHz 0.2V



Rdc : CHEN HWA502



Isat : Agilent E4980A+HP42841A



Irms : Agilent 6641 SYSTEM DC POWER SUPPLY



Operating temperature range from -40℃ to 125℃. (Including self - temperature rise)

Test Instruments：E4991A Impedance / Material Analyzer

Inductance vs. DC Current

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

0

1

2

3

4

5

6

7

8

9

10

11

12

13

DC Current(A)

R24

R33

R47

1R0

1R5

2R2

Tem perature Change vs. DC Current

0

10

20

30

40

50

60

70

80

01

23

456

78

9

10

DC Current(A)

R47

R33

R24

1R0

1R5

2R2