(1/2)
Conformity to RoHS Directive
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLF Series VLF3010S
FEATURES
SHAPES AND DIMENSIONS
• Miniature size
Mount area: 2.8× 3.0mm
Low profile: 1.0mm max. height
3.0 0.2
1.0max.
Dimensions in mm
• Generic use for portable DC to DC converter line.
• High magnetic shield construction should actualize high resolu-
tion for EMC protection.
• Available for automatic mounting in tape and real package.
• The products contain no lead and also support lead-free
soldering.
RECOMMENDED PC BOARD PATTERN
2.3
• It is a product conforming to RoHS directive.
3.6
Dimensions in mm
APPLICATIONS
Power souce inductor for mobile devices such as mobile phones,
HDDs, and DSCs
ELECTRICAL CHARACTERISTICS
DC resistance(Ω)
Rated current(A)∗
Based on inductance
change max.
1.7
1.1
0.88
0.75
0.65
0.53
Inductance
(µH)
Inductance
tolerance(%)
Test frequency
(MHz)
Part No.
Based on temperature
max.
typ.
rise typ.
2.3
1.6
1.3
1.1
0.95
0.7
0.63
0.5
VLF3010ST-1R0N1R7
VLF3010ST-2R2M1R1
VLF3010ST-3R3MR88
VLF3010ST-4R7MR75
VLF3010ST-6R8MR65
VLF3010ST-100MR53
VLF3010ST-150MR38
VLF3010ST-220MR34
∗
1
30
20
20
20
20
20
20
20
1
1
1
1
1
1
1
1
0.049
0.092
0.13
0.18
0.25
0.49
0.61
0.97
0.041
0.077
0.11
0.15
0.22
0.41
0.51
0.81
2.2
3.3
4.7
6.8
10
15
22
0.38
0.34
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)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLF3010ST-1R0N1R7
VLF3010ST-2R2M1R1
2.5
1.0
2.0
1.5
1.0
0.5
0.0
0.8
0.6
0.4
0.2
0.0
0.0
0.2
0.4
0.6
0.8
( )
1.0
1.2
1.4
0.0
0.5
1.0
DC current A
1.5
2.0
( )
DC current A
• 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.
002-03 / 20080821 / e531_vlf3010s.fm