*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.

Q

Test

SRF

RDC

I rms

I sat

Bourns Part No.

(µH)

Tol. %

Typ.

Frequency

Typ.

Max.

Max.

Typ.

(MHz)

(MHz)

(mΩ)

(A)

(A)

SRR1280-1R1Y

1.1

± 30

26

7.96

85

6.5

10.20

14.00

SRR1280-1R4Y

1.4

± 30

24

7.96

80

9.8

9.80

12.00

SRR1280-2R4Y

2.4

± 30

20

7.96

45

10.0

9.20

10.50

SRR1280-3R3Y

3.3

± 30

20

7.96

40

12.0

8.80

9.80

SRR1280-4R5Y

4.5

± 30

20

7.96

34

13.5

8.50

9.00

SRR1280-4R7Y

4.7

± 30

22

7.96

30

15.5

8.20

8.80

SRR1280-5R6Y

5.6

± 30

20

7.96

24

16.0

8.00

8.50

SRR1280-6R8Y

6.8

± 30

20

7.96

22

18.5

7.60

8.00

SRR1280-7R5Y

7.5

± 30

16

7.96

21

17.5

6.40

7.00

SRR1280-8R2Y

8.2

± 30

22

2.52

20

20.5

6.20

6.80

SRR1280-100M

10.0

± 20

24

2.52

17

19.5

6.00

6.30

SRR1280-120M

12.0

± 20

26

2.52

15

28.0

5.60

6.60

SRR1280-150M

15.0

± 20

26

2.52

13

28.5

5.20

5.00

SRR1280-180M

18.0

± 20

24

2.52

12

35.0

4.80

4.60

SRR1280-220M

22.0

± 20

20

2.52

11

38.6

4.30

4.10

SRR1280-270M

27.0

± 20

26

2.52

10

52.0

3.90

3.70

SRR1280-330M

33.0

± 20

28

2.52

9.5

57.0

3.50

3.30

SRR1280-390M

39.0

± 20

24

2.52

8.5

70.0

3.20

3.10

SRR1280-470M

47.0

± 20

24

2.52

7.5

80.0

2.90

2.80

SRR1280-560M

56.0

± 20

24

2.52

7.0

100.0

2.60

2.50

SRR1280-680M

68.0

± 20

20

2.52

6.5

120.0

2.40

2.30

SRR1280-820M

82.0

± 20

20

0.796

5.0

130.0

2.30

2.20

SRR1280-101M

100.0

± 20

18

0.796

4.5

150.0

2.10

2.00

SRR1280-121K

120.0

± 10

16

0.796

4.3

200.0

1.95

1.95

SRR1280-151K

150.0

± 10

24

0.796

4.1

270.0

1.85

1.90

SRR1280-181K

180.0

± 10

24

0.796

4.0

300.0

1.75

1.88

SRR1280-221K

220.0

± 10

24

0.796

3.4

400.0

1.60

1.70

SRR1280-271K

270.0

± 10

20

0.796

3.1

450.0

1.20

1.60

SRR1280-331K

330.0

± 10

18

0.796

2.9

600.0

1.10

1.40

SRR1280-391K

390.0

± 10

20

0.796

2.7

680.0

1.60

1.40

SRR1280-471K

470.0

± 10

20

0.796

2.2

880.0

0.90

1.25

SRR1280-561K

560.0

± 10

20

0.796

2.0

960.0

0.80

1.15

SRR1280-681K

680.0

± 10

26

0.796

1.7

1300.0

0.75

0.97

SRR1280-821K

820.0

± 10

20

0.796

1.4

1500.0

0.70

0.94

SRR1280-102K

1000.0

± 10

40

0.252

1.3

1700.0

0.68

0.80

SRR1280 Series - Shielded SMD Power Inductors

Features

■

Available in E12 values

■

Inductance as low as 1.1 µH

■

Current rating to 10.2 amps

■

Lead free

■

RoHS compliant*

Applications

■

Input/output of DC/DC converters

■

Power supplies for:

•

Portable communication equipment

•

Camcorders

•

LCD TVs

•

Car radios

Electrical Specifications

Product Dimensions

Recommended Layout

100

12.5 ± 0.3

(.492 ± .012)

12.5 ± 0.3

(.492 ± .012)

7.5 ± 0.5

(.295 ± .020)

5.0 ± 0.3

(.197 ± .012)

7.0

(.276)

TYP.

General Specifications

Test Voltage .....................................0.1 V

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

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

(Temperature rise included)

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

Resistance to Soldering Heat

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

Materials

Core ............................Ferrite DR and RI

Wire .............Enameled copper wire 130

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

Rated Current

....................Ind. drop 25 % typ. at Isat

Temperature Rise ..................40 °C max.

at rated Irms

Packaging ....................400 pcs. per reel

Electrical Schematic

DIMENSIONS:

MM

(INCHES)

2.9

(.114)

REF.

2.9

(.114)

REF.

5.4

(.213)

REF.

6.8

(.268)

REF.