Delta Electronics SILM4018L Leaflet
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.
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
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
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
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