VLF4012AT-4R7M1R1 TDK Corporation, VLF4012AT-4R7M1R1 Datasheet

INDUCTOR POWER 4.7UH 1.1A SMD

VLF4012AT-4R7M1R1

Manufacturer Part Number
VLF4012AT-4R7M1R1
Description
INDUCTOR POWER 4.7UH 1.1A SMD
Manufacturer
TDK Corporation
Series
VLFr

Specifications of VLF4012AT-4R7M1R1

Inductance
4.7µH
Tolerance
±20%
Shielding
Shielded
Current
1.1A
Current - Temperature Rise
1.1A
Dc Resistance (dcr)
160 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
1.1 Amps
Maximum Dc Resistance
0.16 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
445-3235-2

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
VLF4012AT-4R7M1R1
Manufacturer:
TDK/东电化
Quantity:
20 000
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLF Series VLF4012A
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 do not contain lead and support lead-free solder-
APPLICATIONS
DVCs, DSCs, PDAs, LCD displays, Cellular phones, HDDs, etc.
ELECTRICAL CHARACTERISTICS
Part No.
VLF4012AT-1R5M1R6
VLF4012AT-2R2M1R5
VLF4012AT-3R3M1R3
VLF4012AT-4R7M1R1
VLF4012AT-6R8MR96
VLF4012AT-100MR79
VLF4012AT-150MR63
VLF4012AT-220MR51
VLF4012AT-330MR39
VLF4012AT-470MR30
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
VLF4012AT-1R5M1R6
• 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.
Mount area: 3.5 3.7mm
Low profile: 1.2mm max. height
tion for EMC protection.
ing.
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
(µH)
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
±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( )
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(A)
Based on inductance
change 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
001-03 / 20060415 / e531_vlf4012a.fm
Conformity to RoHS Directive
Based on temperature
rise typ.
1.6
1.5
1.3
1.1
0.97
0.79
0.64
0.51
0.39
0.30
(1/2)

Related parts for VLF4012AT-4R7M1R1

VLF4012AT-4R7M1R1 Summary of contents

Page 1

... 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. • ...

Page 2

... DC current ( A ) TEST CIRCUIT C=20,000 F A L=0. Sample 1: LCR meter 4285A=100kHz 2: DC constant current • 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 12 10 ...

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