*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.

7.3

(.287)

12.7 ± 0.1

(.500 ± .004)

7.6

(.299)

TYP.

3.0

(.118)

2.5

(.098)

TYP.

3.0

(.118)

MAX.

10.3 ± 0.2

(.406 ± .008)

2.8

(.110)

2.5

(.098)

TYP.

SRR1003 Series - Shielded Power Inductors

Features

■

Available in E6 series

■

Low profile of 3 mm

■

High current

■

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

General Specifications

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

Reflow soldering.....250 °C; 10 sec max.

(In compliance with JEDEC,

J-STD-020C, Table 4-2)

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

(Temperature rise included)

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

Resistance to Soldering Heat

............................250 °C, 10 sec. max.

Materials

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

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

Base ......................................LCP E4008

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

Rated Current

....................Ind. drop 10 % typ. at Isat

Temperature Rise

......................40 °C max. at rated Irms

Packaging...................1000 pcs. per reel

Inductance 1kHz

Q

Test

SRF

RDC

I rms

I sat

Bourns Part No.

(µH)

Tol. %

Ref.

Frequency

Min.

(

Ω

Ω)

Max.

Typ.

(MHz)

(MHz)

(A)

(A)

SRR1003-1R8M

1.8

± 20

10

7.96M

100.0

0.03

3.00

8.00

SRR1003-2R2M

2.2

± 20

11

7.96M

90.0

0.045

2.76

6.70

SRR1003-3R0M

3.0

± 20

11

7.96M

70.0

0.062

2.20

5.60

SRR1003-3R9M

3.9

± 20

10

7.96M

60.0

0.07

2.10

5.20

SRR1003-4R7M

4.7

± 20

10

7.96M

50.0

0.08

1.90

4.60

SRR1003-7R5M

7.5

± 20

10

7.96M

32.0

0.10

1.44

3.90

SRR1003-100M

10

± 20

18

2.52M

28.0

0.15

1.24

3.30

SRR1003-120M

12

± 20

20

2.52M

26.0

0.19

1.10

3.00

SRR1003-150M

15

± 20

20

2.52M

25.0

0.20

1.02

2.60

SRR1003-180M

18

± 20

20

2.52M

14.0

0.27

0.90

2.50

SRR1003-220M

22

± 20

17

2.52M

22.0

0.30

0.85

2.10

SRR1003-270M

27

± 20

17

2.52M

19.0

0.40

0.75

1.90

SRR1003-330M

33

± 20

17

2.52M

17.0

0.45

0.70

1.70

SRR1003-390M

39

± 20

18

2.52M

16.0

0.56

0.65

1.60

SRR1003-470M

47

± 20

18

2.52M

14.0

0.65

0.60

1.40

SRR1003-560M

56

± 20

15

2.52M

13.0

0.68

0.52

1.30

SRR1003-680M

68

± 20

15

2.52M

11.0

0.80

0.48

1.20

SRR1003-820M

82

± 20

20

2.52M

11.0

1.20

0.42

1.00

SRR1003-101M

100

± 20

23

0.796M

10.0

1.40

0.40

0.95

SRR1003-121M

120

± 20

22

0.796M

9.0

1.52

0.35

0.85

SRR1003-151M

150

± 20

23

0.796M

8.0

1.80

0.32

0.80

SRR1003-181M

180

± 20

20

0.796M

7.0

2.20

0.28

0.75

SRR1003-221M

220

± 20

20

0.796M

6.0

2.20

0.26

0.65

SRR1003-271Y

270

± 15

26

0.796M

4.1

3.10

0.22

0.60

SRR1003-331Y

330

± 15

26

0.796M

3.6

3.60

0.20

0.55

SRR1003-391Y

390

± 15

28

0.796M

2.6

4.60

0.18

0.46

SRR1003-471Y

470

± 15

28

0.796M

2.1

5.10

0.16

0.45

DIMENSIONS:

MM

(INCHES)

Soldering Profile

0

50

100

150

200

250

300

0

50

100

150

200

250

300

Time

(seconds)

<2> Max. of 30 seconds > 220 °C

<1> Max. of 10 seconds at 250 °C

250 °C

<2>

<1>

120 - 150 seconds

Ramp-up

4 °/second maximum

Ramp-down

5 °C/second maximum