Features

n

Semi-shieldedconstruction

n

Miniaturesize

n

Lowprofile,1mm

n

Flatwire

n

LowDCR

n

RoHScompliant*andhalogenfree**

Applications

n

DC/DCconverters

n

Notebookcomputers

n

Digitalvideocameras

n

HDDs

n

Cellphones

n

TV,LCDdisplays

SRN2510FSeries–Semi-ShieldedPowerInductors

*RoHSDirective2002/95/ECJan.27,2003includingannexandRoHSRecast2011/65/EUJune8,2011.

**Bournsconsidersaproducttobe“halogenfree”if(a)theBromine(Br)contentis900ppmorless;(b)theChlorine(Cl)contentis900ppmorless;and(c)thetotalBromine(Br)

andChlorine(Cl)contentis1500ppmorless.

Specificationsaresubjecttochangewithoutnotice.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

Operating Temperature

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

(Temperature rise included)

Storage Temperature

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

Rated Current

............ Inductance drops 30 % at Isat

Temperature Rise .....40 °C at rated Irms

MSL ......................................................1

ESD Classification (HBM).................N/A

Electrical Specifications @ 25 °C

Bourns

Part Number

Inductance

@ 1 MHz / 1 V

SRF

(MHz)

Ref.

DCR

(Ω)

Typ.

DCR

(Ω)

Max.

I rms

(A)

Typ.

I sat

(A)

Typ.

L (µH)

Tol. %

SRN2510F-R24M

0.24

± 20 %

180

0.018

0.022

5.5

9.5

SRN2510F-R33M

0.33

± 20 %

150

0.023

0.028

5.3

8.0

SRN2510F-R47M

0.47

± 20 %

120

0.027

0.035

4.6

7.0

SRN2510F-R68M

0.68

± 20 %

90

0.032

0.040

4.2

5.5

SRN2510F-1R0M

1.00

± 20 %

60

0.044

0.053

3.5

4.9

SRN2510F-1R5M

1.50

± 20 %

55

0.062

0.074

3.2

3.8

SRN2510F-2R2M

2.20

± 20 %

40

0.078

0.093

2.6

2.8

SRN2510F-3R3M

3.30

± 30 %

30

0.125

0.150

2.0

2.1

SRN2510F-4R7M

4.70

± 20 %

20

0.180

0.216

1.7

1.7

General Specifications

Core.......................................Metal alloy

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

Terminal Finish ...................................Sn

Coating .................Magnetic epoxy resin

Packaging....... 2000 pcs. per 7-inch reel

Materials

Schematic

How to Order

SRN2510F - R33M

Model

Value Code (see table)

Product Dimensions

2.9

(.114)

2.4

(.094)

1.0

(.039)

DIMENSIONS:

MM

(INCHES)

DIMENSIONS:

MM

(INCHES)

Recommended Layout

2.5+0.2/-0.1

(.098+.008./-.004)

1.0

(.039)

MAX.

1.0

(.039)

REF.

0.75

(.030)

REF.

0.75

(.030)

REF.

2.0+0.2/-0.1

(.079+.008/-.004)

Asia-Pacific:

Tel: +886-2 2562-4117

Email: asiacus@bourns.com

Europe:

Tel: +36 88 520 390

Email: eurocus@bourns.com

The Americas:

Tel: +1-951 781-5500

Email: americus@bourns.com

www.bourns.com