VLF4012AT-220MR51 TDK Corporation, VLF4012AT-220MR51 Datasheet
VLF4012AT-220MR51
Manufacturer Part Number
VLF4012AT-220MR51
Description
INDUCTOR POWER 22UH .51A SMD
Manufacturer
TDK Corporation
Series
VLFr
Specifications of VLF4012AT-220MR51
Inductance
22µH
Tolerance
±20%
Shielding
Shielded
Current
510mA
Current - Temperature Rise
510mA
Dc Resistance (dcr)
820 mOhm Max
Package / Case
0.146" L x 0.138" W x 0.047" H (3.70mm x 3.50mm x 1.20mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C
Frequency - Test
100kHz
Applications
Power Line
Product
Inductors
Test Frequency
100 KHz
Maximum Dc Current
0.52 Amp
Maximum Dc Resistance
0.82 Ohms
Dimensions
3.7 mm W x 3.5 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
Other names
445-3239-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
VLF4012AT-220MR51
Manufacturer:
TDK
Quantity:
5 550
Part Number:
VLF4012AT-220MR51
Manufacturer:
TDK/东电化
Quantity:
20 000
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLF Series VLF4012A
FEATURES
• Mount area: 3.5× 3.7mm
• 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.
VLF4012AT-1R5M1R6
VLF4012AT-2R2M1R5
VLF4012AT-3R3M1R3
VLF4012AT-4R7M1R1
VLF4012AT-6R8MR96
VLF4012AT-100MR79
VLF4012AT-150MR63
VLF4012AT-220MR51
VLF4012AT-330MR39
VLF4012AT-470MR30
∗1
∗2
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLF4012AT-1R5M1R6
• 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.
bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
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
Low profile: 1.2mm max. height
tion for EMC protection.
soldering.
has fallen by 30%, whichever is smaller.
Inductance is at 1/2 Idc1 power distribution. The L vaule at 0A is higher than the guaranteed performance.
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 )
Inductance
[at 1/2 Idc1]
(µH)
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
∗2
±20
±20
Inductance
tolerance(%)
±20
±20
±20
±20
±20
±20
±20
±20
Test frequency
(kHz)
100
100
100
100
100
100
100
100
100
100
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERN
VLF4012AT-2R2M1R5
3.7±0.3
DC resistance(Ω)
max.
0.079
0.087
0.12
0.16
0.23
0.35
0.53
0.82
1.4
2.3
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
2.9
4.7
typ.
0.069
0.076
0.1
0.14
0.2
0.3
0.46
0.71
1.2
2.0
Dimensions in mm
Rated current
Based on inductance
change Idc1 max.
1.8
1.5
1.3
1.1
0.96
0.80
0.63
0.52
0.44
0.36
DC current ( A )
1.2max.
( Include terminal area )
Dimensions in mm
002-03 / 20080629 / e531_vlf4012a.fm
∗1
Conformity to RoHS Directive
(A)
Based on temperature
rise Idc2 typ.
1.6
1.5
1.3
1.1
0.97
0.79
0.64
0.51
0.39
0.30
(1/2)
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VLF4012AT-220MR51 Summary of contents
Page 1
... 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 ∗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. ∗2 Inductance is at 1/2 Idc1 power distribution. The L vaule higher than the guaranteed performance. ...
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 ...