SMT Power Inductor
SILM4018H 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
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
Electrical Characteristics: 25oC: 100KHz, 0.1V
L 1
Ir 3
(Adc)
Isat 2
(Adc)
DCR
) MAX
PART NO.
(uH)
(
m
SILM4018H - 1R7
SILM4018H - 2R2
SILM4018H - 3R3
SILM4018H - 4R7
SILM4018H - 6R8
SILM4018H - 100
SILM4018H - 150
SILM4018H - 220
SILM4018H - 330
1.7
2.2
51
59
2.00
1.75
1.40
1.20
1.00
0.84
0.65
0.55
0.46
2.40
2.30
1.80
1.50
1.10
1.00
0.75
0.52
0.41
3.3
85
4.7
116
180
230
410
610
870
6.8
10.0
15.0
22.0
33.0
1. Tolerance of inductance: 30% for 1.7~6.8uH; 20% for 10~33uH.
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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