Delta SILM4018L - Manual

R o H S c o m p l i a n t .
L o w p r o f i l e ( 1 . 8 m m m a x . h e i g h t ) S M D t y p e .
M a g n e t i c a l l y s h i e l d e d , s u i t a b l e f o r h i g h d e n s i t y m o u n t i n g .
S e l f - l e a d s , s u i t a b l e f o r h i g h d e n s i t y m o u n t i n g .
H i g h e n e r g y s t o r a g e a n d l o w D C R .
P r o v i d e d w i t h e m b o s s e d c a r r i e r t a p e p a c k i n g .
I d e l f o r p o w e r s o u r c e c i r c u i t s , D C - D C c o n v e r t e r , D C - A C i n v e r t e r s
i n d u c t o r a p p l i c a t i o n s .
I n a d d i t i o n t o t h e s t a n d a r d v e r s i o n s s h o w n h e r e , c u s t o m i z e d i n d u c t o r s
a r e a v a i l a b l e t o m e e t y o u r e x a c t r e q u i r e m e n t s .

Features

5 2

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

S I L M 4 0 1 8 L Ty p e

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 :

U N I T : m m / i n c h
A = 4 . 0 / 0 . 1 5 7 M a x .
B = 4 . 0 / 0 . 1 5 7 M a x .

C = 1 . 8 / 0 . 0 7 1 M a x .

D = 4 . 8 / 0 . 1 8 9 M a x .
E = 2 . 9 / 0 . 1 1 4
F = 1 . 0 / 0 . 0 3 9

RECOMMENDED PAD PATTERNS

2.2

1.7

5.4