*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.

TYP.

2.80 ± 0.20

(.110 ± .008)

2.80 ± 0.20

(.110 ± .008)

0.90

(.035)

TYP.

0.90

(.035)

TYP.

0.90

(.035)

0.90 ± 0.10

(.035 ± .004)

A

SRU2009 Series - Shielded SMD Power Inductors

Features

■

Maximum height of 1.0 mm

■

Current up to 1.45 A

■

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

Electrical Schematic

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 core

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

Terminal ....................................Ag/Ni/Sn

Rated Current

....................Ind. drop 35 % typ. at Isat

Temperature Rise

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

Packaging..................1,500 pcs. per reel

A

DIMENSIONS:

MM

(INCHES)

1.30

(.051)

REF.

REF.

1.20

(.047)

REF.

1.00

(.039)

REF.

1.00

(.039)

REF.

1.20

(.047)

REF.

0.65

(.026)

REF.

2.10

(.083)

REF.

0.65

(.026)

1.24

(.049)

REF.

3.00

(.118)

REF.

Inductance 100 KHz

Q

Test

SRF

RDC

I rms

I sat

Bourns Part No.

(µH)

Tol. %

Ref.

Frequency

Typ.

Max.

Max.

Typ.

(MHz)

(MHz)

(mΩ)

(A)

(A)

Marking

SRU2009-1R0Y

1.0

± 30

7

7.96

200

110

1.45

1.30

A

SRU2009-2R2Y

2.2

± 30

7

7.96

120

210

1.10

0.80

C

SRU2009-3R3Y

3.3

± 30

7

7.96

100

320

0.80

0.60

E

SRU2009-4R4Y

4.4

± 30

7

7.96

85

430

0.68

0.50

F

SRU2009-6R8Y

6.8

± 30

7

7.96

70

650

0.52

0.45

G

SRU2009-100Y

10

± 30

10

2.52

50

1080

0.40

0.35

H

SRU2009-150Y

15

± 30

10

2.52

40

1370

0.30

0.30

I

SRU2009-220Y

22

± 30

10

2.52

30

2600

0.22

0.22

J