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002-02 / 20080822 / e531_vls252012.fm
• All specifications are subject to change without notice.
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLS Series VLS252012
FEATURES
• Miniature size
Mount area: 2.5× 2mm
Height: 1.2mm 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.
APPLICATIONS
DVCs, DSCs, PDAs, LCD displays, cellular phones, HDDs, etc.
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERN
ELECTRICAL CHARACTERISTICS
∗
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
VLS252012T-R47N2R1 VLS252012T-1R0N1R7
Conformity to RoHS Directive
2.5±0.1
2.0±0.1
1.2max.
Dimensions in mm
0.85
0.8
0.85
2.0
Dimensions in mm
Part No.
Inductance
(µH)
Inductance
tolerance
(%)
Test frequency
(MHz)
DC resistance
(Ω)
Rated current(A)
∗
Based on inductance change Based on
temperature rise
typ.
max. typ. max. typ.
VLS252012T-R47N2R1 0.47 ±30 1 0.056 0.047 3.3 3.7 2.2
VLS252012T-1R0N1R7 1 ±30 1 0.088 0.073 2.4 2.7 1.8
VLS252012T-1R5N1R4 1.5 ±30 1 0.126 0.105 2 2.2 1.5
VLS252012T-2R2M1R3 2.2 ±20 1 0.155 0.129 1.8 2 1.3
VLS252012T-3R3MR99 3.3 ±20 1 0.272 0.227 1.4 1.6 1
VLS252012T-4R7MR81 4.7 ±20 1 0.406 0.338 1.2 1.3 0.8
VLS252012T-6R8MR66 6.8 ±20 1 0.612 0.51 0.99 1.1 0.66
VLS252012T-100MR59 10 ±20 1 0.756 0.63 0.81 0.9 0.59
0.0
0.2
0.4
0.6
0 0.5 1.0 1.5 2.0 3.0 3.52.5
Inductance
(
µH
)
DC current
(
A
)
0.0
0.5
1.0
0 0.5 1.0 1.5 2.0 2.5
Inductance
(
µH
)
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.
