CMLW4012S Series
Wire Wound SMD Power Inductor
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Features
Magnetic-resin shielded construction reduces
buzz noise to ultra-low levels
Metallization on ferrite core results in excellent
shock resistance and damage-free durability
Closed magnetic circuit design reduces leakage
flux and Electro Magnetic Interference (EMI)
30% higher current rating than conventional
inductors of equal size
Take up less PCB real estate and save more
power
Pb
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Applications
LED Lighting
Mobile devices with multifunction such as
adding color TV and camera
Flat-screen TVs, blue-ray disc recorders,
set top boxes
Notebooks, desktop computers, servers,
graphic cards
Portable gaming devices, personal navigation
systems, personal multimedia devices
Automotive systems
Telecomm base stations
100=10µH 101=100µH
(5) Inductance Tolerance M= 20%, N= 30%
(6) Company Code
(7) Packaging Tape Carrier Package
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Dimensions
Recommended Land Pattern
Unit:mm
Series
CMLW4012S
A
4.0±0.2
B
4.0±0.2
C
1.2Max.
D
3.3±0.2
E
0.95±0.2
F
2.10±0.2
a Typ.
1.9
b Typ.
1.1
c Typ.
3.7
Rev.01
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Lead Free Part Numbering
CMLW
(1)
(1)
(2)
(3)
(4)
4012
(2)
S
(3)
100 M
(4) (5)
S
T
(6) (7)
Series Type
Dimension L X H
Material Code
Inductance 2R2=2.2μH
CMLW4012S Series
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Electrical Characteristics
1) Operating temperature range Including self-heating) -40 ~ +125
2) Storage temperature range (packaging conditions): -10 ~+40 and RH 70% (Max.)
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Construction and material
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REFLOW-PROFILE
Rev.01
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CMLW4012S Series
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Specification
Inductance
Part Number
@100KHz,1V
(µH)
DC Resistance
±30%
( )
DCR
Min.Self-resonant
S.R.F
Saturation
Current(A)
Isat
Heat Rating
Current (A)
Irms
CMLW4012S Series
CMLW4012SR82NST
CMLW4012S1R0NST
CMLW4012S1R5NST
CMLW4012S2R2NST
CMLW4012S3R3MST
CMLW4012S4R7MST
CMLW4012S6R8MST
CMLW4012S100MST
CMLW4012S120MST
CMLW4012S150MST
CMLW4012S180MST
CMLW4012S220MST
CMLW4012S270MST
CMLW4012S330MST
CMLW4012S360MST
CMLW4012S390MST
CMLW4012S470MST
CMLW4012S560MST
CMLW4012S680MST
CMLW4012S820MST
CMLW4012S101MST
0.82±30%
1.0±30%
1.5±30%
2.2±30%
3.3±20%
4.7±20%
6.8±20%
10±20%
12±20%
15±20%
18±20%
22±20%
27±20%
33±20%
36±20%
39±20%
47±20%
56±20%
68±20%
82±20%
100±20%
0.050
0.050
0.065
0.080
0.113
0.125
0.198
0.265
0.290
0.340
0.470
0.470
0.720
0.810
0.900
1.100
1.100
1.250
1.460
2.140
2.210
150
120
90
74
60
50
40
33
32
25
23
20
18
17
14
16
12
11
11
11
9.4
3.53
2.61
2.10
1.76
1.40
1.20
0.95
0.80
0.66
0.56
0.55
0.54
0.50
0.42
0.40
0.55
0.35
0.33
0.30
0.28
0.25
1.65
1.65
1.46
1.32
1.12
1.05
0.84
0.77
0.70
0.64
0.55
0.55
0.45
0.42
0.40
0.37
0.37
0.33
0.31
0.26
0.25
Note
Rev.01
。
5
Operating temperature -55°C ~ +125°C
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Irms: DC current that causes the temperature rise (
T =40°C) from 20°C ambient
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3
Isat: DC current at which the inductance drops approximate 30% from its value without current
；
2
Rated current: Isat or Irms, whichever is smaller
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1
All test data is referenced to 20°C ambient
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Frequency MHz
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