VLS252012T-3R3MR99 Datasheet, PDF (1/3 Pages) TDK Electronics – SMD Inductors(Coils) For Power Line(Wound, Magnetic Shielded)

(1/2)
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
Conformity to RoHS Directive
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
2.5±0.1
Dimensions in mm
RECOMMENDED PC BOARD PATTERN
0.8
0.85 0.85
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Part No.
Inductance
(µH)
Inductance
tolerance
(%)
Test frequency
(MHz)
DC resistance
(Ω)
max. typ.
Rated current(A)^∗
Based on inductance change
max.
typ.
Based on
temperature rise
typ.
VLS252012T-R47N2R1
0.47
±30
1
VLS252012T-1R0N1R7
1
±30
1
0.056 0.047 3.3
3.7
2.2
0.088 0.073 2.4
2.7
1.8
VLS252012T-1R5N1R4
1.5
VLS252012T-2R2M1R3
2.2
±30
1
±20
1
0.126 0.105 2
2.2
1.5
0.155 0.129 1.8
2
1.3
VLS252012T-3R3MR99
3.3
VLS252012T-4R7MR81
4.7
VLS252012T-6R8MR66
6.8
±20
1
±20
1
±20
1
0.272 0.227 1.4
1.6
1
0.406 0.338 1.2
1.3
0.8
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
∗ _{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
0.6
1.0
0.4
0.5
0.2
0.0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
DC current(A)
0.0
0
0.5
1.0
1.5
2.0
2.5
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.
002-02 / 20080822 / e531_vls252012.fm