Features :
Applications :
DVC , DSC , PDA, LCD Display
Cellular Phone, HDD etc.
E
lectrical Specification
Inductance [µH] Test DC Resistance Rated DC Current [A]
TDK Identification
Tol. Freq. [Ohm] Idc1 Idc2
(%) [MHz] (Max.) (Typ.) (Max.) (Typ.) (Typ.)
VLS3012T- 1R0N2R2 1.0+/ - 30% 1.0 0.070 0.058 2.2 2.5 2.2
VLS3012T- 1R5N1R7 1.5+/ - 30% 1.0 0.082 0.068 1.7 1.9 2.0
VLS3012T- 2R2M1R5 2.2+/ - 20% 1.0 0.098 0.082 1.5 1.7 1.9
VLS3012T- 3R3M1R3 3.3+/ - 20% 1.0 0.120 0.100 1.3 1.5 1.7
VLS3012T- 4R7M1R0 4.7+/ - 20% 1.0 0.156 0.130 1.0 1.2 1.4
VLS3012T- 6R8MR90 6.8+/ - 20% 1.0 0.228 0.190 0.9 1.0 1.2
VLS3012T- 100MR72 10+/ - 20% 1.0 0.336 0.280 0.72 0.8 1.0
VLS3012T- 150MR58 15+/ - 20% 1.0 0.528 0.440 0.58 0.65 0.81
VLS3012T- 220MR49 22+/ - 20% 1.0 0.756 0.630 0.49 0.55 0.67
VLS3012T- 330MR40 33+/ - 20% 1.0 1.248 1.040 0.40 0.45 0.52
VLS3012T- 470MR34 47+/ - 20% 1.0 1.512 1.260 0.34 0.38 0.48
Note) Idc 1 : Depend on the Inductance Saturation. (-30% Reduction from Nominal L Value)
Idc 2 : Depend on the Self Temperature Rise (40deg.C Typ.)
Operating Temperature Range : -40deg. C ~ +105deg.C (including Self Temp. Rise)
SMD Power Inductor
Under Development!!
a) Miniature Size :
Mount Area : 3.0mm x 3.0mm
Low Profile : 1.2mm Max. Height
b) Generic use for portable DC/DC Converter.
c) High Magnetic Shield Construction should actualize
High Resolution for EMC Protection.
d) Automatic Mounting in Tape&Reel Package.
Component Image
& Dimensions
unit: mm
V
LS3012 TYPE
3.0+/-0.1mm
1.2mm Max
3.0+/-0.1mm
P
b Free!!
as of Dec.2006
INDUCTANCE VS. DC SUPERPOSITION CHARACTERISTICS
◆Inductance vs D.C. Current Com
p
arison
VLS3012T-1R0N2R2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0 500 1000 1500 2000 2500
Idc[mA]
L[uH]
VLS3012T-1R5N1R7
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0 500 1000 1500 2000
Idc[mA]
L[uH]
VLS3012T-2R2M1R5
0.0
0.5
1.0
1.5
2.0
2.5
0 500 1000 1500 2000
Idc[mA]
L[uH]
VLS3012T-3R3M1R3
0.0
1.0
2.0
3.0
4.0
0 200 400 600 800 1000 1200 1400
Idc[mA]
L[uH]
VLS3012T-4R7M1R0
0.0
1.0
2.0
3.0
4.0
5.0
0 200 400 600 800 1000 1200 1400
Idc[mA]
L[uH]
VLS3012T-6R8MR90
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
0 200 400 600 800 1000
Idc[mA]
L[uH]
VLS3012T-100MR72
0
2
4
6
8
10
12
0 100 200 300 400 500 600 700 800
Idc[mA]
L[uH]
VLS3012T-150MR58
0
5
10
15
20
0 100 200 300 400 500 600 700
Idc[mA]
L[uH]
VLS3012T-220MR49
0
4
8
12
16
20
24
28
0 100 200 300 400 500 600
Idc[mA]
L[uH]
VLS3012T-330MR40
0
5
10
15
20
25
30
35
0 100 200 300 400 500 600
Idc[mA]
L[uH]
VLS3012T-470MR34
0
10
20
30
40
50
60
0 50 100 150 200 250 300 350 400
Idc[mA]
L[uH]
1. LCR METER 4285A f=100kHz
2. DC CONSTANT CURREN
T
A
2 1
Sample
TEST CIRCUIT
L=0.1H
C=20,000μF
f
=
1MH
