Delta Electronics SILM4018 User Manual
0.00 0.01 0.10 1.00 10.00
CURRENT (A)
1.00
10.00
100.00
INDUCTANCE(uH)
4R7
6R8
100
150
1R5
220
2R2
330
3R3
SMT Power Inductor
SILM4018 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 :
RECOMMENDED PAD PATTERNS
B
Electrical Characteristics :
PART NO.
SILM4018 - 1R5 1.5 52 1.55
SILM4018 - 2R2 2.2 72 1.20
SILM4018 - 3R3 3.3 85 1.10
SILM4018 - 4R7 4.7 105 0.90
SILM4018 - 6R8 6.8 170 0.73
SILM4018 - 100 10.0 210 0.55
SILM4018 - 150 15.0 295 0.45
SILM4018 - 220 22.0 430 0.40
SILM4018 - 330 33.0 675 0.32
1. Tolerance of inductance : 30%.
2. Irated is the DC current which cause the inductance drop 35% typical of its nominal inductance without current and the surface
of the part increase less than
3. Operating temperature : -20 C to 105 C (including self-temperature rise).
C
A
E
D
Irated
(Adc)
2
O
C
25 : 100KHz, 0.1V
1
L
(uH)
45 C.
oo
F
DCR
(m ) MAX
o
5.4
.2
2
1.7
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
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
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