Features

Applications

• Portable communication equipment

• Camcorders

• LCD TVs

• Car radios

SRR7045 Series - Shielded SMD Power Inductors

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their specific applications.

Test Voltage ....................................0.5 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.

Electrical Specifications

Bourns Part No.

Inductance 1 KHz

Q

Typ.

Test

Frequency

(MHz)

SRF

Typ.

(MHz)

RDC

Max.

(

Ω)

I rms

Max.

(A)

I sat

Typ.

(A)

uH

Tol. %

SRR7045-1R0M

1.0

±20

10

7.96

60

0.020

3.50

3.20

SRR7045-2R2M

2.2

±20

10

7.96

60

0.022

2.80

2.50

SRR7045-2R7M

2.7

±20

10

7.96

60

0.027

2.78

3.10

SRR7045-3R3M

3.3

±20

10

7.96

43

0.027

2.50

2.20

SRR7045-3R9M

3.9

±20

10

7.96

40

0.028

2.71

2.43

SRR7045-4R7M

4.7

±20

10

7.96

35

0.030

2.64

2.20

SRR7045-5R6M

5.6

±20

10

7.96

33

0.036

2.38

2.00

SRR7045-6R3M

6.3

±20

10

7.96

30

0.038

2.33

1.85

SRR7045-6R8M

6.8

±20

10

7.96

28

0.036

2.20

2.00

SRR7045-100M

10

±20

30

2.52

25

0.042

2.00

1.70

SRR7045-120M

12

±20

27

2.52

23

0.050

1.85

1.40

SRR7045-150M

15

±20

31

2.52

24

0.062

1.60

1.35

SRR7045-180M

18

±20

29

2.52

21

0.070

1.50

1.15

SRR7045-220M

22

±20

26

2.52

21

0.070

1.50

1.15

SRR7045-270M

27

±20

25

2.52

18

0.110

1.25

1.00

SRR7045-330M

33

±20

25

2.52

12

0.115

1.15

0.90

SRR7045-390M

39

±20

26

2.52

13

0.130

1.10

0.80

SRR7045-470M

47

±20

29

2.52

11

0.150

0.95

0.78

SRR7045-560M

56

±20

21

2.52

11

0.200

0.85

0.65

SRR7045-680M

68

±20

22

2.52

10

0.210

0.77

0.60

SRR7045-820M

82

±20

22

2.52

9

0.280

0.70

0.60

SRR7045-101M

100

±20

40

0.796

8

0.300

0.65

0.50

SRR7045-121M

120

±20

30

0.796

7

0.420

0.60

0.45

SRR7045-151M

150

±20

51

0.796

7

0.480

0.53

0.41

SRR7045-181M

180

±20

52

0.796

5

0.660

0.475

0.375

SRR7045-221M

220

±20

44

0.796

5

0.700

0.45

0.36

SRR7045-271M

270

±20

30

0.796

5

0.840

0.40

0.275

SRR7045-331M

330

±20

65

0.796

4

0.730

0.40

0.25

SRR7045-391M

390

±20

27

0.796

5

1.200

0.35

0.225

SRR7045-471M

470

±20

80

0.796

3

1.100

0.32

0.22

SRR7045-561M

560

±20

27

0.796

4

1.600

0.30

0.20

SRR7045-681M

680

±20

65

0.796

3

1.600

0.27

0.20

SRR7045-821M

820

±20

26

0.796

3

2.200

0.25

0.175

SRR7045-102M

1000

±20

90

0.252

3

2.400

0.25

0.15

General Specifications

Core............................... Ferrite DR & RI

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

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

Rated Current

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

(-1R0M through -221M)

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

(-271M through -102M)

Temperature Rise

.....................30 °C max. at rated Irms

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

Materials

Product Dimensions

Recommended Layout

Schematic

DIMENSIONS:

MM

(INCHES)

470

220

2.0

(.079)

TYP.

4.50

± 0.3

(.177

± .012)

7.0

± 0.3

(.276

± .012)

7.0

± 0.3

(.276

± .012)

1.5

(.059)

TYP.

4.0

(.157)

TYP.

2.4

(.094)

REF.

7.80

(.307)

1.8

(.071)

REF.

1.8

(.071)

REF.

4.2

(.165)

REF.

REF.