SRR1280-151K - Bourns, Inc.

SRR1280 Series - Shielded SMD Power Inductors

*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.

*RoHS COMPLIANT

Inductance 100 kHz QTest 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

SRR1280-1R2Y 1.2 ± 30 28 7.96 83 18.0 6.60 7.80

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

SRR1280-3R5Y 3.5 ± 30 20 7.96 36 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

SRR1280-6R1Y 6.1 ± 30 20 7.96 23 18.0 6.60 7.80

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

SRR1280-7R6Y 7.6 ± 30 15 7.96 21 20.0 5.90 6.50

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 1.00 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

Features

■Available in E12 values

■Inductance as low as 1.1 µH

■Current rating to 10.2 amps

■RoHS compliant*

Applications

■Input/output of DC/DC converters

■Power supplies for:

•Portable communication equipment

•Camcorders

•LCD TVs

•Car radios

Electrical Specifications

470

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.