Features

n

Highsaturationcurrent

n

Inductancerange:1.0to68µH

n

Heatingcurrentupto2.7A

n

Dimensions:4.5x4x3.2mm

n

AEC-Q200qualified

n

RoHScompliant*andhalogenfree**

Applications

n

Automotivesystems:

-Driverassistant

-Information

-Entertainment

-Lighting

n

DC/DCconverters

n

Powersupplies

SDE0403ASeries-SMDPowerInductors

Test Frequency / Voltage.....1 MHz / 1 V

Operating Temperature

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

(Temperature rise included)

Storage Temperature

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

Resistance to Solder Heat

.............................+250 °C for 10 sec.

Temperature Rise

.......................40 °C typ. at rated

Inductance Drop ...........10 % typ. at

Electrical Specifications @ 25 °C

Bourns

Part Number

Inductance

SRF

(MHz)

Typ.

DCR

(W)

Typ.

DCR

(W)

Max.

I rms

(A)

I sat

(A)

***K-

Factor

L (µH) Tol. (%)

SDE0403A-1R0M

1.0

± 20

113

0.0193

0.048

2.7

4.8

490

SDE0403A-2R2M

2.2

± 20

76

0.0318

0.071

2.3

3.3

335

SDE0403A-3R3M

3.3

± 20

64

0.0469

0.086

2.0

2.5

255

SDE0403A-4R7M

4.7

± 20

50

0.0645

0.108

1.65

2.2

220

SDE0403A-6R8M

6.8

± 20

41

0.0936

0.126

1.45

1.7

182

SDE0403A-8R2M

8.2

± 20

38

0.106

0.142

1.4

1.6

163

SDE0403A-100M

10

± 20

36

0.127

0.172

1.05

1.4

148

SDE0403A-120M

12

± 20

32

0.146

0.197

1.0

1.3

135

SDE0403A-150M

15

± 20

29

0.192

0.259

0.85

1.2

120

SDE0403A-180M

18

± 20

28

0.237

0.309

0.75

1.1

112

SDE0403A-220M

22

± 20

25

0.27

0.351

0.7

0.95

98

SDE0403A-270M

27

± 20

22

0.322

0.419

0.65

0.85

90

SDE0403A-330K

33

± 10

20

0.373

0.485

0.6

0.8

83

SDE0403A-390K

39

± 10

18

0.449

0.561

0.55

0.7

75

SDE0403A-470K

47

± 10

16

0.505

0.631

0.5

0.65

68

SDE0403A-560K

56

± 10

15

0.736

0.92

0.45

0.6

62

SDE0403A-680K

68

± 10

13

0.822

1.028

0.4

0.55

56

General Specifications

Core..............................................Ferrite

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

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

Packaging..................2000 pcs. per reel

Materials

Product Dimensions

Recommended Layout

DIMENSIONS:

MM

(INCHES)

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

** Bournsfollowstheprevailingdefinitionof“halogenfree”intheindustry.Bournsconsidersaproducttobe“halogenfree”if(a)theBromine(Br)contentis900ppmorless;

(b)theChlorine(Cl)contentis900ppmorless;and(c)thetotalBromine(Br)andChlorine(Cl)contentis1500ppmorless.

Specificationsaresubjecttochangewithoutnotice.

Thedevicecharacteristicsandparametersinthisdatasheetcananddovaryindifferentapplicationsandactualdeviceperformancemayvaryovertime.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

4.50±0.3

(.177±.012)

4.00±0.3

(.157±.012)

4.50

(.177±.012)

3.20±0.3

(.126±.012)

1.60

(.063)

REF.

1.50

(.059)

5.00

(.197)

***K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(µH) x Δ I (peak-to-peak ripple current,

A), determine core loss from Core Loss vs. Flux Density plot.

Core Loss vs. Flux Density

Flux Density Bp-p (gauss)

10

100

1

10

100

1 MHz

800 KHz

500 KHz

400 KHz

300 KHz

200 KHz

1000

0.1

0.01

0.001

100 KHz