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RoHS compliant.
Low profile(1.8mm max. height) SMD type.
Magnetically shielded, suitable for high density mounting.
Self-leads ,suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Idel for power source circuits, DC-DC converter, DC-AC inverters
inductor applications.
In addition to the standard versions shown here, customized inductors
are available to meet your exact requirements.

Features

52

 25     : 100KHz, 0.1V

O

C  

0.00

0.01

0.10

1.00

10.00

CURRENT (A)

1.00

10.00

100.00

IN

D

U

C

T

A

N

C

E

(u

H

)

3R9

4R7

5R6

6R8

8R2

100

120

150

180

220

270

330

390

470

3R3

SMT Power Inductor

SILM4018L Type

Electrical Characteristics :

SILM4018L - 3R3

3.3

66

0.80

2.00

SILM4018L - 3R9

3.9

81

0.75

1.75

SILM4018L - 4R7

4.7

91

0.68

1.72

SILM4018L - 5R6

5.6

102

0.62

1.64

SILM4018L - 6R8

6.8

130

0.58

1.30

SILM4018L - 8R2

8.2

140

0.51

1.28

SILM4018L - 100

10.0

190

0.46

1.07

SILM4018L - 120

12.0

205

0.42

0.98

SILM4018L - 150

15.0

272

0.38

0.87

SILM4018L - 180

18.0

327

0.34

0.76

SILM4018L - 220

22.0

356

0.31

0.66

SILM4018L - 270

27.0

470

0.28

0.60

SILM4018L - 330

33.0

560

0.26

0.55

SILM4018L - 390

39.0

700

0.24

0.47

SILM4018L - 470

47.0

775

0.21

0.45

1. Tolerance of inductance :    30%.
2. Isat  is  the  DC  current  which  cause  the  inductance  drop  35%  typical  of  its  nominal  inductance  without  current.
3. Ir  is  the  DC  current  which  cause  the  surface  temperature  of  the  part  increase  less  than  
4.Operating temperature : -20

to 105

(including  self-temperature  rise).

o

45 C. 

o

o

C  

C.  

3

2

Isat

(Adc)

Ir

(Adc)

PART NO.

DCR

(m    ) MAX

1

L

(uH)

  

DELTA ELECTRONICS, INC.

 (TAOYUAN PLANT CPBG)

252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com

B

D

E

A

F

C

Mechanical Dimension : 

UNIT:mm/inch
A = 4.0 / 0.157 Max.
B = 4.0 / 0.157 Max.  
C = 1.8 / 0.071 Max.
D = 4.8 / 0.189 Max.
E = 2.9 / 0.114
F = 1.0 / 0.039

RECOMMENDED  PAD  PATTERNS  

2.2

1.7

5.4

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