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.
RECOMMENDED PAD PATTERNS
Mechanical Dimension :
B
C
UNIT:mm/inch
A = 4.0 / 0.157Max.
B = 4.0/ 0.157 Max.
C = 1.8/ 0.071 Max.
D = 4.8/ 0.189 Max.
E = 2.9/ 0.114
A
F = 1.0/ 0.039
OC
Electrical Characteristics :25 : 100KHz, 0.1V
2
3
1
L
Isat
Ir
DCR
PART NO.
(Adc)
(Adc)
(uH)
(m ) MAX
100.00
SILM4018L - 3R3
SILM4018L - 3R9
SILM4018L - 4R7
SILM4018L - 5R6
SILM4018L - 6R8
SILM4018L - 8R2
SILM4018L - 100
SILM4018L - 120
SILM4018L - 150
SILM4018L - 180
SILM4018L - 220
SILM4018L - 270
SILM4018L - 330
SILM4018L - 390
SILM4018L - 470
3.3
3.9
66
81
0.80
0.75
0.68
0.62
0.58
0.51
0.46
0.42
0.38
0.34
0.31
0.28
0.26
0.24
0.21
2.00
1.75
1.72
1.64
1.30
1.28
1.07
0.98
0.87
0.76
0.66
0.60
0.55
0.47
0.45
4.7
91
470
390
330
5.6
102
130
140
190
205
272
327
356
470
560
700
775
6.8
270
220
180
150
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
120
100
10.00
8R2
6R8
5R6
4R7
3R9
3R3
1.00
0.00
0.01
0.10
1.00
10.00
CURRENT (A)
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 45oC.
4.Operating temperature : -20oC to 105oC. (including self-temperature rise).
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
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