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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:
B
A
Electrical Characteristics:
PART NO.
SILM4018H - 1R7
SILM4018H - 2R2
SILM4018H - 3R3
SILM4018H - 4R7
SILM4018H - 6R8
SILM4018H - 100
SILM4018H - 150
SILM4018H - 220
SILM4018H - 330
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
4.Operating temperature : -20
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
C
o
25 : 100KHz, 0.1V
C
1
L
(uH)
1.7
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
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
DCR
Isat
(
m
) MAX
(Adc)
51
2.00
59
1.75
85
1.40
116
1.20
180
1.00
230
0.84
410
0.65
610
0.55
870
0.46
45 C.
54
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
3
2
Ir
(Adc)
2.40
2.30
1.80
1.50
1.10
1.00
0.75
0.52
0.41
o
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