CMLW4018S 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
CMLW4018S
A
4.0±0.2
B
4.0±0.2
C
1.8Max.
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)
4018
(2)
S
(3)
100 M
(4) (5)
S
T
(6) (7)
Series Type
Dimension L X H
Material Code
Inductance 2R2=2.2μH
CMLW4018S 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
Page 2 of 4
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CMLW4018S Series
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Specification
Inductance
Part Number
@100KHz,
1V (µH)
DC
Resistance
±30%
( )
DCR
Min.Self-resonant
Saturation
Current(A)
Isat
Heat Rating
Current (A)
Irms
S.R.F
CMLW4018 Series
CMLW4018S1R0NST
CMLW4018S1R5MST
CMLW4018S2R2MST
CMLW4018S3R3MST
CMLW4018S4R7MST
CMLW4018S5R6MST
CMLW4018S6R8MST
CMLW4018S100MST
CMLW4018S150MST
CMLW4018S220MST
CMLW4018S330MST
CMLW4018S470MST
CMLW4018S680MST
CMLW4018S101MST
CMLW4018S151MST
CMLW4018S221MST
1.0±30%
1.5±20%
2.2±20%
3.3±20%
4.7±20%
5.6±20%
6.8±20%
10±20%
15±20%
22±20%
33±20%
47±20%
68±20%
100±20%
150±20%
220±20%
0.025
0.030
0.045
0.070
0.090
0.105
0.110
0.180
0.250
0.360
0.530
0.650
1.000
1.750
2.500
4.000
80
65
52
44
34
32
29
24
19
16
12
10
8.3
6.5
5.5
4
4.80
3.35
2.70
2.45
1.70
1.65
1.45
1.30
0.94
0.80
0.65
0.57
0.47
0.40
0.31
0.27
2.00
1.80
1.65
1.23
1.20
1.10
1.06
0.84
0.65
0.59
0.49
0.42
0.32
0.25
0.22
0.17
Note
1 All test data is referenced to 20°C ambient;
2 Rated current: Isat or Irms, whichever is smaller;
3 Isat: DC current at which the inductance drops approximate 30% from its value without current;
4 Irms: DC current that causes the temperature rise ( T =40°C) from 20°C ambient.
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Standard Packing Quantity：3000 pcs/reel
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Rev.01
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Frequency MHz
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