SRP4021HMT Series – Shielded Power Inductors

Features

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Shielded construction – low radiation

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Low buzz noise

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Hot press molding process

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High current

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Low DCR

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RoHS compliant*

Applications

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DC-DC converters

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Power supplies

Additional Information

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General Specifications

Operating Temperature

�������������������������������� -40 °C to +125 °C

Storage Temperature

�������������������������������� -40 °C to +125 °C

Temperature Rise ������40 °C at rated Irms

Moisture Sensitivity Level����������������������1

ESD Classification (HBM)������������������N/A

Materials

Core���������������������������Metal alloy powder

Wire �����������������������������Enameled copper

Terminal Finish ������������������������� Cu/Ni/Sn

Packaging����� 3,000 pcs� per 13-inch reel

Electrical Specifications @ 25 °C

Bourns

Part Number

Inductance

@ 100 KHz / 1 V

Q

100 kHz

SRF

(MHz)

DCR

(mW)

Irms

(A)

Isat

(A)

L (µH) Tol. (%)

Min.

Ref.

Typ.

Max

Typ.

Typ.

SRP4021HMT-R10M

0�10

±20

6

255

1�6

2

24

26

SRP4021HMT-R15M

0�15

10

186

2�9

3�5

18

22

SRP4021HMT-R22M

0�22

170

4�1

4�9

16

16

SRP4021HMT-R33M

0�33

108

4�8

5�8

15

13�5

SRP4021HMT-R47M

0�47

15

86

6

7

13

11

SRP4021HMT-R68M

0�68

20

67

7�6

8�8

11

9�5

SRP4021HMT-1R0M

1�0

55

9�5

11

10

8

SRP4021HMT-1R5M

1�5

41

14

16

8�5

6�8

SRP4021HMT-2R2M

2�2

35

20�9

23

7�5

5�5

SRP4021HMT-3R3M

3�3

31

38

45�6

5�6

5

SRP4021HMT-4R7M

4�7

23

54

64�8

4�5

4�2

SRP4021HMT-5R6M

5�6

22

63

75�6

4�1

3�5

SRP4021HMT-6R8M

6�8

21

80�5

92�5

3�5

3�1

SRP4021HMT-8R2M

8�2

19

103 118�5

3�2

2�9

SRP4021HMT-100M

10

17

115

132

2�8

2�7

Product Dimensions

4.1 ± 0.2

(.161 ± .008)

1.9 ± 0.2

(.075 ± .008)

0.8 ± 0.3

(.031 ± .012)

2 PLCS.

3.0 ± 0.2

(.118 ± .008)

4.0 ± 0.3

(.157 ± .012)

4.2 ± 0.3

(.165 ± .012)

1.0 ± 0.3

(.039 ± .012)

DIMENSIONS:

MM

(INCHES)

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.

Specifications are subject to change without notice. Users should verify actual device performance in their specific

applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the

last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

WARNING

Cancer and Reproductive Harm

www.P65Warnings.ca.gov

DIMENSIONS:

MM

(INCHES)

Recommended Layout

3.5

(.138)

2.2

(.087)

5.2

(.205)

How to Order

SRP4021HMT - R10 M

Model

Value Code (see table)

Tolerance

M = ±20 %

Electrical Schematic