½½½½½½½½½½½½½½½½½½½½
½½½½½½½½½½½½½½½½½½½
½½½½½ ½½½½½½½½½½½½
½½½½½½½½½½½½½½½½½½½½½
½½½½½½½½½½½½½½½½½½½½½
Surface Mount Power Inductors
FEATURES
-Will Handle Up To 1.72A
-Economical Design
-Suitable For Pick And Place
-Withstands Solder Reflow
-Shielded Design
LS4D18 Series
PACKAGING
-Reel Diameter: 330mm
-Reel Width: 12.3mm
-Pieces Per Reel: 2000
APPLICATIONS
-DC/DC Converters
-Output Power Chokes
-Handheld And PDA Applications
-Battery Powered Or Low Voltage Applications
Mechanical
4.7+/-0.3
2.0 max
6.9 max
5.3
4.7+/-0.3
XXX
1.5 ref 4.5 ref
1.9
4.5 ref
1.5
Electrical Specifications
Part
Number
LS4D18-1R0-RN
LS4D18-2R2-RN
LS4D18-2R7-RN
LS4D18-3R3-RN
LS4D18-3R9-RN
LS4D18-4R7-RN
LS4D18-5R6-RN
LS4D18-6R8-RN
LS4D18-8R2-RN
LS4D18-100-RN
LS4D18-120-RN
LS4D18-150-RN
LS4D18-180-RN
LS4D18-220-RN
LS4D18-270-RN
LS4D18-330-RN
LS4D18-390-RN
LS4D18-470-RN
LS4D18-560-RN
LS4D18-680-RN
LS4D18-820-RN
LS4D18-101-RN
LS4D18-121-RN
LS4D18-151-RN
LS4D18-181-RN
6
unit= mm
2
Inductance Test Frequency
(μH+/-30%)
(kHz)
1.0
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
1
DCR max
(Ω)
0.045
0.075
0.105
0.110
0.155
0.162
0.170
0.200
0.245
0.200
0.210
0.240
0.338
0.397
0.441
0.694
0.709
0.922
1.08
1.30
1.55
1.73
2.39
2.67
4.00
I
DC
max
(A)
1.72
1.32
1.28
1.04
0.88
0.84
0.80
0.76
0.68
0.61
0.56
0.50
0.48
0.41
0.35
0.32
0.30
0.28
0.26
0.24
0.22
0.20
0.18
0.15
0.14
1.
2.
3.
4.
Tested @ 100kHz, 0.1Vrms.
Inductance drop = 35% at rated I
DC
max.
Electrical specifications at 25ºC.
Operating temperature range:
-40ºC to +85ºC.
5. Meets UL 94V-0.
6. Optional Tolerances: 10%(K), 15%(L),
and 20%(M).
Specifications subject to change without notice.
(10/06)
LS-8
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