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001-01 / 20070911 / e531_vlf5012a.fm
• All specifications are subject to change without notice.
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLF Series VLF5012A
FEATURES
• Miniature size
Mount area: 4.5× 4.7mm
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, MDs, LCD displays,
cellular phones, cordless telephones, HDDs, FDDs, 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
VLF5012AT-2R2M1R5 VLF5012AT-3R3M1R3
Conformity to RoHS Directive
4R7
1.2max.4.7±0.3
4.5±0.3
Dimensions in mm
5.7
3.9
1.6
Dimensions in mm
Part No.
Inductance
(µH)
Inductance
tolerance(%)
Test frequency
(kHz)
DC resistance(Ω) Rated current(A)
∗
max. typ.
Based on inductance
change max.
Based on temperature
rise typ.
VLF5012AT-2R2M1R5 2.2 ±20 100 0.11 0.09 2.3 1.5
VLF5012AT-3R3M1R3 3.3 ±20 100 0.14 0.12 1.7 1.3
VLF5012AT-4R7M1R2 4.7 ±20 100 0.16 0.14 1.5 1.2
VLF5012AT-6R8M1R0 6.8 ±20 100 0.2 0.17 1.2 1
VLF5012AT-100MR80 10 ±20 100 0.35 0.3 1 0.8
0.0
0.5
1.0
1.5
2.0
2.5
0 500 1000 1500 2000 2500 3000
Inductance
(
µH
)
DC current
(
mA
)
0.0
1.0
2.0
3.0
4.0
5.0
0 500 1000 1500 2000 2500
Inductance
(
µH
)
DC current
(
mA
)
• 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.
