SMT Power Inductor
SILM418 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
C
RECOMMENDED PAD PA
TTERNS
5.
4
2
A
UNIT:mm/inch
A = 3.8 / 0.150 Max.
B = 3.8 / 0.150 Max.
C = 1.8 / 0.071 Max.
D = 4.5 / 0.177 Max.
E = 2.4 / 0.094
F = 1.5 / 0.059
E
D
Electrical Characteristics:
25 C: 100KHz, 0.1V
o
PART NO.
SILM418 - 1R5
SILM418 - 2R2
SILM418 - 3R3
SILM418 - 4R7
SILM418 - 6R8
SILM418 - 100
SILM418 - 150
SILM418 - 220
SILM418 - 330
SILM418 - 470
SILM418 - 680
SILM418 - 101
L
1
(uH)
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
(m
DCR
) MAX
52
72
85
105
170
210
295
430
675
850
Irated
2
(Adc)
1.55
1.20
1.10
0.90
0.73
0.55
100.00
101
680
470
330
220
150
INDUCTANCE (uH)
0.42
0.35
0.32
0.24
0.22
0.17
1.
2.
F
5
10.00
100
6R8
4R7
3R3
2R2
1R5
1.00
1360
1650
0.10
0.01
0.10
1.00
10.00
CURRENT (A)
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 temperature of the part increase less than 45
o
C.
3. Operating temperature : -20
o
C to 105
o
C (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
http://www.deltaww.com
49
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