Delta Electronics SMT Power Inductor SILM4018L Specification Sheet

SMT Power Inductor
SILM4018L Type
Features
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.
Mechanical Dimension :
B
A

Electrical Characteristics :

L
PART NO.
(uH)
SILM4018L - 3R3 3.3
SILM4018L - 3R9 3.9
SILM4018L - 4R7 4.7
SILM4018L - 5R6 5.6
SILM4018L - 6R8 6.8
SILM4018L - 8R2 8.2
SILM4018L - 100 10.0
SILM4018L - 120 12.0
SILM4018L - 150 15.0
SILM4018L - 180 18.0
SILM4018L - 220 22.0
SILM4018L - 270 27.0
SILM4018L - 330 33.0
SILM4018L - 390 39.0
SILM4018L - 470 47.0
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
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
C
O
25 C : 100KHz, 0.1V
2
1
Isat
DCR
(Adc) (Adc)
(m ) MAX
66 0.80
81 0.75
91 0.68
102 0.62
130 0.58
140 0.51
190 0.46
205 0.42
272 0.38
327 0.34
356 0.31
470 0.28
560 0.26
700 0.24
775 0.21
o o
C to 105 C. (including self-temperature rise).
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
RECOMMENDED PAD PA TTERNS
3
Ir
100.00
2.00
1.75
1.72
1.64
1.30
1.28
1.07
0.98
0.87
10.00
0.76
0.66
0.60
0.55
0.47
0.45
1.00
0.00
52
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
470
390
330
270
220
180
150
120
100
8R2
6R8
5R6
4R7
3R9
3R3
0.01 0.10 1.00
CURRENT (A)
o
45 C.
10.00