SRP8540A Series - Shielded Power Inductors

Features

n

Shielded construction for low radiation

n

Metal powder core

n

High saturation current

n

Low buzz noise

n

AEC-Q200 compliant

n

RoHS compliant* and halogen free**

Electrical Specifications @ 25 °C

Bourns

Part Number

Inductance

@ 100 kHz / 1 V

Q

Typ.

SRF

(MHz)

Typ.

DCR

(mW)

Typ.

DCR

(mW)

Max.

Irms

(A)

Typ.

Isat

(A)

Typ.

L

(µH) Tol. (%)

SRP8540A-R22M

0.22

± 20

10

132

1.6

1.76

31

60

SRP8540A-R33M

0.33

± 20

10

90

2

2.2

30

55

SRP8540A-R47M

0.47

± 20

10

69

2.6

2.86

28

40

SRP8540A-R56M

0.56

± 20

15

58

2.7

2.97

25

38

SRP8540A-R68M

0.68

± 20

15

56

3.1

3.41

23

36

SRP8540A-R82M

0.82

± 20

15

46

3.7

4.1

21

32

SRP8540A-1R0M

1.0

± 20

20

35

4.5

4.95

18

29

SRP8540A-1R5M

1.5

± 20

20

33

6.6

7.3

17

27

SRP8540A-2R2M

2.2

± 20

20

27

10.8

11.9

16

25

SRP8540A-3R3M

3.3

± 20

20

23

15

16.5

14

22

SRP8540A-4R7M

4.7

± 20

20

17

26.8

29.5

8.5

19

SRP8540A-5R6M

5.6

± 20

20

15

30

35

7.5

17

SRP8540A-6R8M

6.8

± 20

20

14

40

46

6.5

16.5

SRP8540A-8R2M

8.2

± 20

20

13

44

51

6

16

SRP8540A-100M

10

± 20

20

10

53

61

5.6

10

SRP8540A-220M

22

± 20

20

9

100

120

3.9

8

General Specifications

Operating Temperature

................................ -55 °C to +150 °C

(Temperature rise included)

Storage Temperature

................................ -55 °C to +150 °C

Rated Current

............. Inductance drops 30 % at Isat

Temperature Rise .... 40 °C at rated Irms1

Moisture Sensitivity Level......................1

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

Note 1: Circuit design, component, PCB trace size

and thickness, airflow and other cooling provisions all

affect the part temperature. Part temperature should be

verified in the end application.

Materials

Core...........................Metal alloy powder

Wire .............................Enameled copper

Terminal Finish ...............................Ni/Sn

Packaging........ 800 pcs. per 13-inch reel

Product Dimensions

R22

2035

8.4 ± 0.3

(.331 ± .012)

8.1 ± 0.2

(.319 ± .008)

3.8 ± 0.2

(.150 ± .008)

1.6 ± 0.3

(.063 ± .012)

5.0 ± 0.3

(.197 ± .012)

8.8 ± 0.4

(.346 ± .016)

Recommended Layout

9.6

(.378)

4.5

(.177)

5.5

(.217)

DIMENSIONS:

MM

(INCHES)

DIMENSIONS:

MM

(INCHES)

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

** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine

(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.

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

Schematic

16.9 ± 0.3

(.666 ± .012)

17.3 ± 0.4

(.681 ± .016)

6.7 ± 0.3

(.264 ± .012)

16.9 ± 0.3

(.666 ± .012)

11.9 ± 0.3

(.469 ± .012)

2.1 ± 0.3

(.083 ± .012)

101

1510

18.5

(.728)

12.2

(.480)

12.5

(.492)

0 ~+ 0.25

(0 ~+ .010)

How to Order

SRP8540A - 100 M

Model

Value Code (see table)

Tolerance Code

Additional Information

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