E L E C T R O N I C S I N C .

Surface Mount Power Inductor

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

• Optimized for National’s LM259X Series

• Low loss material ensures operation in high frequency switching

converters, such as Buck, Boost or as output averaging filter inductor

• Also suitable for use in high quality filter applications

• 150 KHz & 500 KHz Switching Frequency

• Low Cost Inductor

EPI B30 Series

Product performance is limited to specified parameters. Data is subject to change without prior notice.

Primary Specification

Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25

CSIXXXXXXB30

Rev. 3

3/5/03

1.8

2.66

4.95

10.6

16

24

35

51

74

108

163

242

360

Induct.

(µH ± 20%)

@ 0 Adc

DCR

(

Ω Typ.)

.007

.008

.018

.042

.067

.101

.153

.235

.358

.535

.836

1.3

2.0

Vt1

(V-µSec)

150 KHz

2.7

3.3

4.7

6.7

8.0

10.0

12.0

14.7

17.3

21.3

26.0

31.3

38.0

@ Vt1

°C (Typ.)

22

21

21

26

29

27

28

29

30

30

31

32

32

Induct.

(µH 15%)

@ Idc

1.7

2.5

4.7

10

15

22

33

47

68

100

150

220

330

Part

Number

EPI1L7312B30

EPI2L5272B30

EPI4L7192B30

EPI100152B30

EPI150132B30

EPI220102B30

EPI330831B30

EPI470701B30

EPI680581B30

EPI101481B30

EPI151391B30

EPI221321B30

EPI331261B30

Core Loss

Idc

(mA)

3100

2700

1900

1500

1300

1000

830

700

580

480

390

320

260

Vt2

(V-µSec)

260 KHz

1.6

2.0

2.8

4.0

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National

Semiconductor

Chip

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LM259X-L16

LM259X-L15

LM259X-L14

LM259X-L13

LM259X-L12

LM259X-L11

LM259X-L10

LM259X-L9

LM259X-L8

@ Vt2

°C (Typ.)

22

21

21

26

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Temp.Rise

44

44

44

44

44

44

44

44

44

44

44

44

44

@ Vt1

(mW)

@ Vt2

(mW)

44

44

44

44

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Package B30

.415

(10.80)

.350

(8.89)

.430

(10.92)

.360

(9.14)

.400

(10.16)

.060 (1.52)

Suggested

Pad

Latout

.360 Max.

(9.14)

Note: Coplanarity within .005” Max.

PCA

EPIXXXXXXB30

D.C.

Application

+Vin

Regulated

Output

Load

LX

µH

D1

1N5822

Cin

Cout

Feedback

Output

Vsw

On/Off

Gnd

LM259X

+

+

Unregulated

DC Input