VLF4012AT Datasheet, PDF (1/2 Pages) TDK Electronics – High magnetic shield construction should actualize high resolution

Inductors
For Power Line
SMD
(1/2)
001-03 / 20050904 / e531_vlf4012a_2.fm
VLF Series VLF4012A-2 Type
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.
SHAPES AND DIMENSIONS
3.7±0.3
1.2max.
(Include terminal area)
Dimensions in mm
RECOMMENDED PC BOARD PATTERN
2.9
4.7
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Part No.
VLF4012AT-3R3M1R0-2
VLF4012AT-4R7MR82-2
VLF4012AT-6R8MR74-2
VLF4012AT-100MR50-2
Inductance
(µH)
3.3
4.7
6.8
10
Inductance
tolerance(%)
±20
±20
±20
±20
Test frequency
(kHz)
100
100
100
100
DC resistance(Ω)
max. typ.
0.11
0.095
0.15
0.12
0.20
0.17
0.23
0.20
Rated current(A)^∗
Based on inductance
change max.
1.0
0.82
0.74
0.5
Based on temperature
rise typ.
1.4
1.2
1.0
0.97
∗ _{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)
• All specifications are subject to change without notice.