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)

HEI201210A-R24M-Q8

0.24

20

2

3.7(4.6)

4.5(5.7)

28(22)

HEI201210A-R47M-Q8

0.47

20

2

3.0(3.7)

3.3(4.2)

42(33)

HEI201210A-1R0M-Q8

1.0

20

2

2.2(2.7)

2.3(2.8)

78(69)

HEI201210A-1R5M-Q8

1.5

20

2

1.8(2.2)

1.9(2.3)

112(94)

HEI201210A-2R2M-Q8

2.2

20

2

1.5(1.8)

1.6(2.0)

168(153)



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

0.4

0.8

1.2

1.6

2.0

2.4

0

1

23

45

67

DC Current(A)

2R2

1R0

R47

R24

1R0

1R5

Tem perature Change vs. DC Current

0

10

20

30

40

50

60

70

0

0.5

11.5

22.5

33.5

44.5

55.5

6

DC Current(A)

2R2

1R0

R24

R47

1R5