VLF10040T-221MR81 TDK Corporation, VLF10040T-221MR81 Datasheet
VLF10040T-221MR81
Manufacturer Part Number
VLF10040T-221MR81
Description
INDUCTOR POWER 220UH .81A SMD
Manufacturer
TDK Corporation
Series
VLFr
Datasheet
1.VLF10040T-680M1R4.pdf
(1 pages)
Specifications of VLF10040T-221MR81
Inductance
220µH
Tolerance
±20%
Shielding
Shielded
Current
810mA
Current - Temperature Rise
900mA
Dc Resistance (dcr)
537 mOhm Max
Package / Case
0.394" L x 0.382" W x 0.157" H (10.00mm x 9.70mm x 4.00mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C
Frequency - Test
100kHz
Applications
Power Line
Maximum Dc Current
0.81 Amp
Maximum Dc Resistance
537 mOhms
Dimensions
9.7 mm W x 10 mm L x 4 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
445-3570-2
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLF Series VLF10040
FEATURES
• Mount area: 9.7× 10.0mm
• Compare to SLF10145(TDK conventional product) type
• Generic use for 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
Note book computers, amusement equipment, DVD players,
VRMs, plasma displays, etc.
ELECTRICAL CHARACTERISTICS
Part No.
VLF10040T-1R0N9R7
VLF10040T-1R5N8R9
VLF10040T-2R2N7R1
VLF10040T-3R3N6R2
VLF10040T-4R7N5R4
VLF10040T-6R8N4R5
VLF10040T-100M3R8
VLF10040T-150M3R1
VLF10040T-220M2R5
VLF10040T-330M2R1
VLF10040T-470M1R7
VLF10040T-680M1R4
VLF10040T-101M1R2
VLF10040T-151MR99
VLF10040T-221MR81
VLF10040AT-331MR67
∗
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
• 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.
Low profile: 4.0mm max. height
Low loss and large current capability design
DC resistance: 0.92× SLF10145
Rated DC current: 1.3× SLF10145
tion for EMC protection.
soldering.
Inductance
(µH)
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
±30
±30
±30
±20
±20
Inductance
tolerance(%)
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
Test frequency
(kHz)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERN
DC resistance(mΩ)
max.
5.2
6.2
9.5
12.6
15.3
23.8
33
42
58
93
124
178
248
394
537
870
10.0±0.4
10.7
7.3
typ.
4.3
5.1
7.9
10.5
12.7
19.8
28
36
50
80
108
155
216
343
467
757
Rated current(A)
Based on inductance
change max.
11.9
9.9
8.2
6.7
5.4
4.6
3.8
3.1
2.5
2.1
1.7
1.4
1.2
0.99
0.81
0.67
Dimensions in mm
Dimensions in mm
002-02 / 20080629 / e531_vlf10040.fm
Conformity to RoHS Directive
4.0max.
∗
Based on temperature
rise typ.
9.7
8.9
7.1
6.2
5.6
4.5
3.8
3.3
2.8
2.2
1.9
1.6
1.3
1.1
0.9
0.7
(1/1)
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