2R2

1725

12.4

(0.488)

10.7 ± 0.5

(0.421 ± 0.020)

11.8

(0.465) MAX.

MAX.

2.2 ± 0.5

(0.087 ± 0.020)

2.9 ± 0.5

(0.114 ± 0.020)

4.5

(.177)

10.0 ± 0.5

(0.394 ± 0.020)

10.5

(0.413)

MAX.

5.4

(.213)

4.0

(.157)

MAX.

4.2

(.165)

Features

n

Shieldedconstruction

n

Unitheightof4.2mm

n

Inductancerange:0.15to15μH

n

Currentupto34A

n

RoHScompliant*

SRP1040 Series - Shielded Power Inductors

Electrical Specifications

Product Dimensions

DIMENSIONS:

MM

(INCHES)

Recommended Layout

Soldering Profile

25

75

125

175

225

275

050

100

150200

250300

Time (Seconds)

120-150 seconds

60 seconds

maximum

260 °C peak

190°C

150 °C

220 °C

Ramp Down

5 °C/second

<1> 255 °C

<1>Maximum of 10 seconds

between +255 °C and +260 °C

Ramp Up

4 °C/second maximum

10 secondsminimum

25

75

125

175

225

275

050100

150200

250300

Time (Seconds)

120-150seconds

60 seconds

maximum

150 °C

183 °C

170 °C

Ramp Down

5 °C/second

<1> 245 °C

<1>5 seconds maximum

at +245 °C

Ramp Up

4 °C/second maximum

10 secondsminimum

4.5

(.177)

1.5

(.060)

2.5

(.099)

Electrical Schematic

General Specifications

Test Voltage.......................................1 V

Test Frequency.........................100 KHz

Reflow Soldering .. 230 °C; 50 sec. max.

Operating Temperature

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

(Temperature rise included)

Storage Temperature

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

Resistance to Soldering Heat

.............................+260 °C for 10 sec.

Materials

Core..................................................Iron

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

Terminal........................................Cu/Sn

Rated Current.....Ind. drops 20 % at Isat

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

Packaging....... 900 pcs. per 13-inch reel

Bourns Part No.

Inductance

L (μH) ±20 %

I rms

(A)

I sat

(A)

DCR

(mΩ) Max.

SRP1040-R15M

0.15

34

40

1.3

SRP1040-R20M

0.20

32

40

1.0

SRP1040-R36M

0.36

28

40

1.4

SRP1040-R39M

0.39

24

32

1.4

SRP1040-R47M

0.47

26

38

1.6

SRP1040-R50M

0.50

23

32

1.9

SRP1040-R56M

0.56

25

36

1.9

SRP1040-R68M

0.68

23

32

2.4

SRP1040-R75M

0.75

22

28

2.5

SRP1040-R80M

0.80

21

30

3.0

SRP1040-1R0M

1.0

20

28

3.5

SRP1040-1R2M

1.2

18

24

4.7

SRP1040-1R5M

1.5

15

20

7.5

SRP1040-1R7M

1.7

15

18

7.5

SRP1040-2R2M

2.2

12

17

8.6

SRP1040-2R5M

2.5

11.5

14

8.7

SRP1040-3R3M

3.3

10

14

10

SRP1040-3R9M

3.9

9.0

15

12

SRP1040-4R7M

4.7

8.0

13

14

SRP1040-5R6M

5.6

7.0

12

16

SRP1040-6R8M

6.8

6.5

11

24

SRP1040-8R2M

8.2

5.0

8.0

33

SRP1040-100M

10

5.0

9.0

35

SRP1040-150M

15

5.0

7.0

57

Thisseriesiscurrentlyavailable,

butnotrecommendedfornew

designs.ThenewerSRP1038A

seriesisrecommended.

2R2

1725

*RoHSDirective2015/863,Mar31,2015andAnnex.

Specificationsaresubjecttochangewithoutnotice.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

Theproductsdescribedhereinandthisdocumentaresubjecttospecificlegaldisclaimersassetforthonthelastpageof

thisdocument,andatwww.bourns.com/docs/legal/disclaimer.pdf.

WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov