(1/2)
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
Conformity to RoHS Directive
VLF Series VLF5014A
4.5±0.3
SHAPES AND DIMENSIONS
4R7
4.7±0.3
1.4max.
Dimensions in mm
RECOMMENDED PC BOARD PATTERN
1.6
FEATURES
• Miniature size
Mount area: 4.5× 4.7mm
Low profile: 1.4mm max. height
• 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 contain no lead and also support lead-free
soldering.
• It is a product conforming to RoHS directive.
3.9
5.7
APPLICATIONS
Power souce inductor for mobile devices such as mobile phones,
HDDs, and DSCs
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Part No.
VLF5014AT-1R5M1R7
VLF5014AT-2R7M1R5
VLF5014AT-4R7M1R1
VLF5014AT-6R8MR99
VLF5014AT-100MR92
VLF5014AT-150MR76
VLF5014AT-220MR62
VLF5014AT-330MR50
VLF5014AT-470MR41
VLF5014AT-101MR26
Inductance
[at 1/2 Idc1]∗2
(µH)
1.5
2.7
4.7
6.8
10
15
22
33
47
100
Inductance
tolerance(%)
Test frequency
(kHz)
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
100
100
100
100
100
100
100
100
100
100
Rated current∗1(A)
Based on inductance
change Idc1 max.
2.9
2.2
1.7
1.4
1.1
0.97
0.81
0.64
0.54
0.37
DC resistance(Ω)
max.
typ.
0.059
0.078
0.13
0.19
0.22
0.32
0.46
0.72
1.1
2.7
0.051
0.068
0.12
0.16
0.19
0.28
0.40
0.63
0.95
2.4
Based on temperature
rise Idc2 typ.
1.7
1.5
1.1
0.99
0.92
0.76
0.62
0.50
0.41
0.26
∗1
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.
∗2 Inductance is at 1/2 Idc1 power distribution. The L vaule at 0A is higher than the guaranteed performance.
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
VLF5014AT-2R7M1R5
2.0
4.0
1.5
3.0
Inductance(µH)
Inductance(µH)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLF5014AT-1R5M1R7
1.0
0.5
0.0
0
500
1000
1500 2000 2500
DC current (mA)
3000
3500
2.0
1.0
0.0
0
500
1000
1500
2000
DC current (mA)
2500
3000
• 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.
003-04 / 20080822 / e531_vlf5014a.fm
(2/2)
VLF5014AT-6R8MR99
6
10
5
8
Inductance(µH)
Inductance(µH)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLF5014AT-4R7M1R1
4
3
2
4
2
1
0
6
0
0
500
1000
DC current (mA)
1500
2000
VLF5014AT-100MR92
0
400
600 800 1000 1200 1400 1600 1800
DC current (mA)
VLF5014AT-150MR76
25
12
20
Inductance(µH)
14
Inductance(µH)
200
10
8
6
4
15
10
5
2
0
0
0
200
400
600
800
1000
DC current (mA)
1200
1400
50
20
40
15
10
200
0
400
600
DC current (mA)
800
20
0
200
0
400
DC current (mA)
600
800
VLF5014AT-101MR26
150
80
60
Inductance(µH)
Inductance(µH)
1200
30
1000
VLF5014AT-470MR41
40
20
0
1000
10
5
0
400
600
800
DC current (mA)
VLF5014AT-330MR50
25
Inductance(µH)
Inductance(µH)
VLF5014AT-220MR62
200
0
0
100
200
300
400
500
DC current (mA)
600
700
100
50
0
0
100
200
300
DC current (mA)
400
500
TEST CIRCUIT
C=20,000µF
A
2
L=0.1H
Sample
1
1: LCR meter 4285A f=100kHz
2: DC constant current
• All specifications are subject to change without notice.
003-04 / 20080822 / e531_vlf5014a.fm
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