TDK VLS252012T

(1/2)
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
Conformity to RoHS Directive
VLS Series VLS252012
2.0±0.1
SHAPES AND DIMENSIONS
1.2max.
2.5±0.1
Dimensions in mm
RECOMMENDED PC BOARD PATTERN
2.0
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.
0.8
0.85 0.85
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Part No.
VLS252012T-R47N2R1
VLS252012T-1R0N1R7
VLS252012T-1R5N1R4
VLS252012T-2R2M1R3
VLS252012T-3R3MR99
VLS252012T-4R7MR81
VLS252012T-6R8MR66
VLS252012T-100MR59
Inductance
(µH)
Inductance
tolerance
(%)
Test frequency
(MHz)
0.47
1
1.5
2.2
3.3
4.7
6.8
10
±30
±30
±30
±20
±20
±20
±20
±20
1
1
1
1
1
1
1
1
DC resistance
(Ω)
Rated current(A)∗
Based on inductance change
max.
typ.
max.
typ.
0.056
0.088
0.126
0.155
0.272
0.406
0.612
0.756
0.047
0.073
0.105
0.129
0.227
0.338
0.51
0.63
3.3
2.4
2
1.8
1.4
1.2
0.99
0.81
3.7
2.7
2.2
2
1.6
1.3
1.1
0.9
Based on
temperature rise
typ.
2.2
1.8
1.5
1.3
1
0.8
0.66
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
Inductance(µH)
Inductance(µH)
0.6
0.4
0.2
0.0
0
0.5
1.0
1.5
2.0
2.5
DC current (A)
3.0
3.5
1.0
0.5
0.0
0
0.5
1.0
1.5
2.0
DC current (A)
2.5
• 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
(2/2)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLS252012T-1R5N1R4
VLS252012T-2R2M1R3
2.5
1.5
Inductance(µH)
Inductance(µH)
2.0
1.0
0.5
0.0
2.0
1.5
1.0
0.5
0.0
0
0.5
1.0
1.5
DC current (A)
2.0
VLS252012T-3R3MR99
0
0.2
1.0
1.5
DC current (A)
2.0
VLS252012T-4R7MR81
6.0
4.0
Inductance(µH)
Inductance(µH)
5.0
3.0
2.0
1.0
0.0
4.0
3.0
2.0
1.0
0.0
0
0.2
0.4
0.6 0.8 1.0
DC current (A)
1.2
1.4
1.6
VLS252012T-6R8MR66
0
0.2
0.4
0.6
0.8
DC current (A)
1.0
1.2
1.4
VLS252012T-100MR59
8.0
Inductance(µH)
Inductance(µH)
10.0
6.0
4.0
2.0
0.0
5.0
0.0
0
0.2
0.4
0.6
0.8
DC current (A)
1.0
0
0.1
0.2
0.3
0.4 0.5 0.6
DC current (A)
0.7
0.8
0.9
1.0
TEST CIRCUIT
C=20,000µF
A
2
L=0.1H
Sample
1
1: LCR meter 4285A f=1MHz
2: DC constant current
• All specifications are subject to change without notice.
002-02 / 20080822 / e531_vls252012.fm
Mouser Electronics
Authorized Distributor
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TDK:
VLS252012T-1R0N1R7 VLS252012T-1R5N1R4 VLS252012T-2R2M1R3 VLS252012T-3R3MR99 VLS252012T4R7MR81 VLS252012T-R47N2R1 VLS252012T-100MR59 VLS252012T-6R8MR66