INDUCTOR POWER 22UH .51A SMD

VLF4012AT-220MR51

Manufacturer Part NumberVLF4012AT-220MR51
DescriptionINDUCTOR POWER 22UH .51A SMD
ManufacturerTDK Corporation
SeriesVLF
VLF4012AT-220MR51 datasheets
 


Specifications of VLF4012AT-220MR51

Inductance22µHTolerance±20%
ShieldingShieldedCurrent510mA
Current - Temperature Rise510mADc Resistance (dcr)820 mOhm Max
Package / Case0.146" L x 0.138" W x 0.047" H (3.70mm x 3.50mm x 1.20mm)Mounting TypeSurface Mount
Operating Temperature-40°C ~ 105°CFrequency - Test100kHz
ApplicationsPower LineProductInductors
Test Frequency100 KHzMaximum Dc Current0.52 Amp
Maximum Dc Resistance0.82 OhmsDimensions3.7 mm W x 3.5 mm L x 1.2 mm H
Operating Temperature Range- 40 C to + 105 CTermination StyleSMD/SMT
Lead Free Status / RoHS StatusLead free / RoHS CompliantQ @ Freq-
Self Resonant Freq-Current - Saturation-
Other names445-3239-2  
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SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLF Series VLF4012A
FEATURES
• Miniature size
Mount area: 3.5 3.7mm
Low profile: 1.2mm max. height
• Generic use for portable DC to DC converter line
• High magnetic shield construction should actualize high resolu-
tion for EMC protection.
• Available for automatic mounting in tape and real package.
• The products do not contain lead and support lead-free solder-
ing.
APPLICATIONS
DVCs, DSCs, PDAs, LCD displays, Cellular phones, HDDs, etc.
ELECTRICAL CHARACTERISTICS
Inductance
Part No.
(µH)
VLF4012AT-1R5M1R6
1.5
±20
VLF4012AT-2R2M1R5
2.2
±20
VLF4012AT-3R3M1R3
3.3
VLF4012AT-4R7M1R1
4.7
VLF4012AT-6R8MR96
6.8
VLF4012AT-100MR79
10
VLF4012AT-150MR63
15
VLF4012AT-220MR51
22
VLF4012AT-330MR39
33
VLF4012AT-470MR30
47
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
VLF4012AT-1R5M1R6
2.0
1.5
1.0
0.5
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
DC current ( A )
• All specifications are subject to change without notice.
SHAPES AND DIMENSIONS
3.7 0.3
RECOMMENDED PC BOARD PATTERN
2.9
4.7
DC resistance( )
Inductance
Test frequency
tolerance(%)
(kHz)
max.
100
0.079
100
0.087
±20
100
0.12
±20
100
0.16
±20
100
0.23
±20
100
0.35
±20
100
0.53
±20
100
0.82
±20
100
1.4
±20
100
2.3
VLF4012AT-2R2M1R5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Conformity to RoHS Directive
1.2max.
( Include terminal area )
Dimensions in mm
Dimensions in mm
Rated current(A)
Based on inductance
Based on temperature
typ.
change max.
rise typ.
0.069
1.8
1.6
0.076
1.5
1.5
0.1
1.3
1.3
0.14
1.1
1.1
0.2
0.96
0.97
0.3
0.80
0.79
0.46
0.63
0.64
0.71
0.52
0.51
1.2
0.44
0.39
2.0
0.36
0.30
DC current ( A )
001-03 / 20060415 / e531_vlf4012a.fm
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VLF4012AT-220MR51 Summary of contents

  • Page 1

    ... VLF4012AT-4R7M1R1 4.7 VLF4012AT-6R8MR96 6.8 VLF4012AT-100MR79 10 VLF4012AT-150MR63 15 VLF4012AT-220MR51 22 VLF4012AT-330MR39 33 VLF4012AT-470MR30 47 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 ...

  • Page 2

    ... All specifications are subject to change without notice. VLF4012AT-4R7M1R1 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0.0 0.2 1.4 1.6 1.8 VLF4012AT-100MR79 1.0 1.2 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 VLF4012AT-220MR51 0.7 0.8 0.0 VLF4012AT-470MR30 0.0 0.5 0.6 0.4 0.6 0.8 1 ...