VLF3012ST-1R0N2R0 TDK Corporation, VLF3012ST-1R0N2R0 Datasheet
VLF3012ST-1R0N2R0
Manufacturer Part Number
VLF3012ST-1R0N2R0
Description
INDUCTOR POWER 1.0UH 2.0A SMD
Manufacturer
TDK Corporation
Series
VLFr
Specifications of VLF3012ST-1R0N2R0
Inductance
1µH
Tolerance
±30%
Current
2A
Current - Temperature Rise
2.7A
Shielding
Shielded
Dc Resistance (dcr)
38 mOhm Max
Package / Case
0.118" L x 0.110" W x 0.047" H (3.00mm x 2.80mm x 1.20mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C
Frequency - Test
1MHz
Applications
Power Line
Test Frequency
1 MHz
Maximum Dc Current
2 Amps
Maximum Dc Resistance
0.038 Ohms
Dimensions
3 mm W x 2.8 mm L x 1.2 mm H
Operating Temperature Range
- 40 C to + 105 C
Termination Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Q @ Freq
-
Self Resonant Freq
-
Current - Saturation
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
445-4199-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLF Series VLF3012S
FEATURES
• Miniature size
• Generic use for portable DC to DC converter line.
• High magnetic shield construction should actualize high resolu-
• Available for automatic mounting in tape and real package.
• The products contain no lead and also support lead-free
• It is a product conforming to RoHS directive.
APPLICATIONS
Power souce inductor for mobile devices such as mobile phones,
HDDs, and DSCs
ELECTRICAL CHARACTERISTICS
Part No.
VLF3012ST-1R0N2R0
VLF3012ST-2R2M1R4
VLF3012ST-3R3M1R1
VLF3012ST-4R7MR91
VLF3012ST-6R8MR78
VLF3012ST-100MR59
VLF3012ST-150MR49
VLF3012ST-220MR43
∗
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLF3012ST-1R0N2R0
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific
• All specifications are subject to change without notice.
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.
bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
Mount area: 2.8× 3mm
Low profile: 1.2mm max. height
tion for EMC protection.
soldering.
1.0
0.8
0.6
0.4
0.2
0.0
0
0.5
DC current ( A )
1.0
Inductance
(µH)
1
2.2
3.3
4.7
6.8
10
15
22
1.5
±30
±20
Inductance
tolerance(%)
±20
±20
±20
±20
±20
±20
2.0
Test frequency
(MHz)
1
1
1
1
1
1
1
1
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERN
VLF3012ST-2R2M1R4
3.0±0.2
DC resistance(Ω)
max.
0.038
0.072
0.11
0.155
0.22
0.33
0.49
0.74
2.5
2.0
1.5
1.0
0.5
0.0
1.8
3.6
0
0.9
0.2
typ.
0.032
0.060
0.090
0.13
0.18
0.28
0.41
0.61
Dimensions in mm
0.4
0.6
1.2max.
Rated current(A)
Based on inductance
change max.
2.0
1.4
1.1
0.91
0.78
0.59
0.49
0.43
DC current ( A )
Dimensions in mm
0.8
001-03 / 20080821 / e531_vlf3012s.fm
1.0
Conformity to RoHS Directive
∗
1.2
1.4
Based on temperature
rise typ.
2.7
1.9
1.6
1.3
1.1
0.91
0.78
0.63
1.6
(1/2)
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VLF3012ST-1R0N2R0 Summary of contents
Page 1
... 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 VLF3012ST-1R0N2R0 1.0 0.8 0.6 0.4 ...
Page 2
... DC current ( A ) TEST CIRCUIT C=20,000µF A L=0. Sample 1: LCR meter 4285A f=1MHz 2: DC constant current • All specifications are subject to change without notice. VLF3012ST-4R7MR91 1.0 1.2 VLF3012ST-100MR59 0.8 VLF3012ST-220MR43 0.5 0 0.2 0.4 0.6 0.8 1.0 DC current ( A ) 0.2 0.4 ...