*RoHS Directive 2002/95/EC Jan 27 2003 including Annex

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

SRP1235 Series - Shielded Power Inductors

Features

■

Shielded construction

■

Unit height of 3.7 mm

■

Inductance range: 0.1 µH to 6.8 µH

■

Current up to 43 A

■

Lead free

■

RoHS compliant*

Applications

■

Input/output of DC/DC converters

■

Power supplies for:

•

Portable communications equipment

•

Camcorders

•

LCD TVs

•

Car audio systems

Electrical Specifications

Product Dimensions

R68

15.0

(0.591)

12.7 ± 0.3

(0.500 ± 0.012)

12.7 ± 0.3

(0.500 ± 0.012)

13.9

(0.547)

MAX.

MAX.

2.5 ± 0.5

(0.098 ± 0.020)

3.0 ± 0.5

(0.118 ± 0.020)

4.5

(.177)

13.9

(0.547)

MAX.

7.0

(.276)

3.5

(.138)

MAX.

3.7

(.146)

General Specifications

Test Voltage ...................................0.25 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...............................................Ferrite

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

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

Rated Current .......Ind. drops 20 % at I sat

Temperature Rise..........40 ˚C at rated I rms

Packaging .......600 pcs. per 13-inch reel

Recommended Layout

Electrical Schematic

Inductance

I rms

I sat

DCR

Bourns Part No.

L (

µ

µH)

(A)

(A)

(m

Ω

Ω) max.

SRP1235-R10M

0.10

43.0

56

0.96

SRP1235-R15M

0.15

41.0

50

1.2

SRP1235-R22M

0.22

38.5

50

1.3

SRP1235-R33M

0.33

36.5

50

1.5

SRP1235-R47M

0.47

32.0

44

2.0

SRP1235-R60M

0.60

29.0

42

2.5

SRP1235-R68M

0.68

28.0

40

2.5

SRP1235-R82M

0.82

25.0

38

3.0

SRP1235-1R0M

1.00

24.0

36

3.5

SRP1235-1R5M

1.50

19.0

28

5.5

SRP1235-1R8M

1.80

16.5

24

7

SRP1235-2R2M

2.20

16.0

20

8

SRP1235-3R3M

3.30

12.0

18

12

SRP1235-4R7M

4.70

10.0

16

15

SRP1235-5R6M

5.60

10.0

14

18

SRP1235-6R8M

6.80

9.0

13

22

Soldering Profile

25

75

125

175

225

275

0

50

100

150

200

250

300

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 seconds minimum

DIMENSIONS:

MM

(INCHES)