TDK VLS3015T

(1/2)
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
Conformity to RoHS Directive
VLS Series VLS3015
3.0±0.1
SHAPES AND DIMENSIONS
3.0±0.1
1.5max.
FEATURES
• Miniature size
Mount area: 3× 3mm
Height: 1.5mm max.
• Generic use for portable DC to DC converter line.
• High magnetic shield construction should actualize high
resolution for EMC protection.
• Available for automatic mounting in tape and real package.
• The products do not contain lead and support lead-free
soldering.
Dimensions in mm
RECOMMENDED PC BOARD PATTERN
3.0
APPLICATIONS
DVCs, DSCs, PDAs, LCD displays, cellular phones, HDDs, etc.
1.0 1.0 1.0
Dimensions in mm
DC resistance
(Ω)
Rated current(A)∗
Based on inductance change
max.
typ.
max.
typ.
0.058
0.074
0.084
0.112
0.136
0.211
0.276
0.422
0.622
0.959
1.406
0.048
0.062
0.07
0.093
0.113
0.176
0.234
0.352
0.518
0.799
1.172
2
1.6
1.4
1.2
0.99
0.86
0.7
0.58
0.45
0.36
0.31
2.2
1.8
1.5
1.3
1.1
0.96
0.78
0.64
0.5
0.4
0.34
ELECTRICAL CHARACTERISTICS
Part No.
VLS3015T-1R0N2R0
VLS3015T-1R5N1R6
VLS3015T-2R2M1R4
VLS3015T-3R3M1R2
VLS3015T-4R7MR99
VLS3015T-6R8MR86
VLS3015T-100MR70
VLS3015T-150MR58
VLS3015T-220MR45
VLS3015T-330MR36
VLS3015T-470MR31
Inductance
(µH)
Inductance
tolerance
(%)
Test frequency
(MHz)
1
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
1
1
1
1
1
1
1
1
1
1
1
Based on
temperature rise
typ.
2.2
2
1.8
1.6
1.4
1.1
1
0.8
0.6
0.5
0.4
∗
Rated current: Value obtained when current flows and the temperature has risen to 40°C or when DC current flows and the nominal value of inductance
has fallen by 30%, whichever is smaller.
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
VLS3015T-1R5N1R6
1.0
1.5
0.8
1.2
Inductance(µH)
Inductance(µH)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLS3015T-1R0N2R0
0.6
0.4
0.6
0.3
0.2
0.0
0.9
0.0
0
500
1000
1500
DC current (mA)
2000
2500
0
500
1000
DC current (mA)
1500
2000
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific
bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
• All specifications are subject to change without notice.
001-02 / 20080822 / e531_vls3015.fm
(2/2)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLS3015T-2R2M1R4
VLS3015T-3R3M1R2
4.0
2.0
Inductance(µH)
Inductance(µH)
2.5
1.5
1.0
0.5
0.0
2.0
1.0
0.0
0
300
600
900
1200
DC current (mA)
1500
1800
VLS3015T-4R7MR99
5.0
8.0
4.0
6.0
3.0
2.0
200
400
600
800
DC current (mA)
1000
1200
2.0
0.0
0
200
4.0
1.0
0.0
0
VLS3015T-6R8MR86
Inductance(µH)
Inductance(µH)
3.0
400
600
800
DC current (mA)
1000
1200
VLS3015T-100MR70
0
200
400
600
DC current (mA)
800
1000
VLS3015T-150MR58
20
12
Inductance(µH)
Inductance(µH)
10
8
6
4
15
10
5
2
0
0
0
200
400
DC current (mA)
600
800
VLS3015T-220MR45
0
100
200
300
400
500
DC current (mA)
600
700
VLS3015T-330MR36
40
25
Inductance(µH)
Inductance(µH)
35
20
15
10
5
0
30
25
20
15
10
5
0
0
100
200
300
DC current (mA)
400
500
VLS3015T-470MR31
0
50
150 200 250 300
DC current (mA)
350
400
450
TEST CIRCUIT
60
C=20,000µF
A
50
Inductance(µH)
100
2
L=0.1H
Sample
1
40
1: LCR meter 4285A f=1MHz
2: DC constant current
30
20
10
0
0
50
100
150
200
250
DC current (mA)
300
350
• All specifications are subject to change without notice.
001-02 / 20080822 / e531_vls3015.fm