Features

n

Shieldedconstruction

n

Carbonylpowdercore

n

Highsaturationcurrent

n

Inductancerange:0.10to33µH

n

AEC-Q200qualified

n

RoHScompliant*andhalogenfree**

Applications

n

Automotivesystems:

-Driverassistant

-Information

-Entertainment

-Lighting

n

DC/DCconverters

n

Powersupplies

SRP7028ASeries-ShieldedPowerInductors

Test Voltage....................................1.0 V

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

Operating Temperature

................................-40 °C to +150 °C

(Temperature rise included)

Storage Temperature

................................-40 °C to +125 °C

Rated Current

............ Inductance drops 20 % at Isat

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

Resistance to Soldering Heat

........................ +260 °C, 40 sec. max.

Electrical Specifications @ 25 °C

General Specifications

Core.............................Carbonyl powder

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

Terminal Finish ...................................Sn

Packaging..... 1000 pcs. per 13-inch reel

Materials

Product Dimensions

Recommended Layout

DIMENSIONS:

MM

(INCHES)

How to Order

SRP7028A - 100M

Model

Value Code (see table)

*RoHSDirective2002/95/ECJan.27,2003includingannexandRoHSRecast2011/65/EUJune8,2011.

**Bournsconsidersaproducttobe“halogenfree”if(a)theBromine(Br)contentis900ppmorless;(b)theChlorine

(Cl)contentis900ppmorless;and(c)thetotalBromine(Br)andChlorine(Cl)contentis1500ppmorless.

Specificationsaresubjecttochangewithoutnotice.

Thedevicecharacteristicsandparametersinthisdatasheetcananddovaryindifferentapplicationsandactualdevice

performancemayvaryovertime.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

Electrical Schematic

Bourns

Part Number

Inductance

@ 100 KHz / 1 V

Q (Min.)

@100 KHz

/ 1 V

SRF

(MHz)

Typ.

DCR

(mW)

Typ.

DCR

(mW)

Max.

Irms

(A)

Isat

(A)

L (µH) Tol. (%)

SRP7028A-R10M

0.10

± 20

5

300

1.2

1.7

32.5

60

SRP7028A-R15Y

0.15

± 30

5

220

1.5

1.9

27

45

SRP7028A-R22Y

0.22

± 30

5

150

2.1

2.8

23

40

SRP7028A-R33M

0.33

± 20

10

140

3.5

3.9

20

32

SRP7028A-R47M

0.47

± 20

10

80

4

4.2

17.5

26

SRP7028A-R56M

0.56

± 20

15

70

4.7

5.0

16.5

25.5

SRP7028A-R68M

0.68

± 20

15

67

4.8

5.5

15.5

25

SRP7028A-R75M

0.75

± 20

15

65

5.5

6.6

14.5

24.5

SRP7028A-R82M

0.82

± 20

15

61

6.7

8.0

13

24

SRP7028A-1R0M

1.0

± 20

20

58

8.3

10.0

11

22

SRP7028A-1R5M

1.5

± 20

20

38

13

15.0

9

18

SRP7028A-1R8M

1.8

± 20

20

36

14

17.0

8.5

16

SRP7028A-2R2M

2.2

± 20

20

32

18

20.0

8

14

SRP7028A-2R5M

2.5

± 20

20

30

20

22.0

7

13

SRP7028A-3R3M

3.3

± 20

20

25

28

30.0

6

12

SRP7028A-4R7M

4.7

± 20

20

21

37

40.0

5.5

10

SRP7028A-5R6M

5.6

± 20

20

19

43

48.0

5

9

SRP7028A-6R8M

6.8

± 20

20

18

54

60.0

4.5

8

SRP7028A-8R2M

8.2

± 20

20

17

64

68.0

4

7.5

SRP7028A-100M

10

± 20

20

14

75

85.0

3.5

6

SRP7028A-150M

15

± 20

20

12

107

123.0

3.0

4

SRP7028A-220M

22

± 20

20

10

165

190.0

2.0

3.5

SRP7028A-330M

33

± 20

20

8

200

240.0

2.0

2.5

Soldering Profile

14.2

(.559)

13.5±0.5

(.531±.020)

8.0

(.315)

3.3

(.130)

3.3±0.2

(.130+.008)

12.5±0.3

(.492±.012)

3.0±0.3

(.118±.012)

8R2

1150

2.3±0.3

(.091±.012)

2.75±0.35

(.108±.014)

8.4

(.331)

7.3±0.3

(.287±.012)

2.5

(.098)

3.5

(.138)

6.6±0.3

(.260±.012)

2.8±0.2

(.110+.008)

3.0±0.3

(.118±.012)

1.8±0.3

(.071±.012)

2R2

1150

1R0

1250

Max. Peak Temperature 260

40 sec. max.

Max. Time Above 217

:

60~150 sec. max.

Peak Temperature

260

max.

25

Time (Seconds)

Reflow Times: 3 Times Max.

Preheating

Soldering

Natural Cooling

217 °C

Peak Temperature (260 °C, 40 Sec. Max.)

200 °C

150°C

60~180

Sec.

480 Sec. Max.

60~150 Sec.

20~40 Sec.

Please consult Bourns® Model SRP-A

Series Visual Inspection Guide for detailed

construction, processing and testing

information.