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LHDM002141AQDD0E

Description
General Purpose Inductor, 140uH, 20%,
CategoryPassive components    inductor   
File Size182KB,5 Pages
ManufacturerUnited Chemi-Con
Websitehttp://www.chemi-con.com/
Environmental Compliance
Download Datasheet Parametric View All

LHDM002141AQDD0E Overview

General Purpose Inductor, 140uH, 20%,

LHDM002141AQDD0E Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerUnited Chemi-Con
Reach Compliance Codeunknown
structureChoke Coil
DC Resistance0.078 Ω
Nominal inductance(L)140 µH
Inductor typeGENERAL PURPOSE INDUCTOR
Maximum operating temperature120 °C
Minimum operating temperature-40 °C
Package diameter22.5 mm
Package length12.5 mm
Package formToroidal
Maximum rated current2 A
seriesDM
Tolerance20%
DUST CHOKE COILS
Compliant
RoHS
?MAJOR
USES
@Output
choke coils for Switching Mode Power Supply
@Choke
coils for DC-DC converter
@Normal
mode choke coils for noise control
@Choke
coils for Power Factor Corrective circuit
?FEATURES
@Excellent
characteristics in frequency and temperature
@Miniaturization
and excellent D.C. bias characteristics in comparison with ferrite choke coils
by the feature of higher saturation magnetic flux density
?D.C.
bias of Dust core (1)
100
90
80
?D.C.
bias of Dust core (2)
100
90
80
Percent permeability [%]
Percent permeability [%]
70
60
70
60
50
40
30
20
10
0
1
10
100
1,000
Silicon Steel Dust
M=60
50
40
30
20
10
0
1
10
100
1,000
Silicon Steel Dust
M=90
High Flux
M=125
Sendust
M=90
High Flux
M=60
Sendust
M=60
DC Magnetizing Force H [Oe]
DC Magnetizing Force H [Oe]
?Core
Loss Characteristics
(Magnetic Flux Density Dependency)
@
Sendust(Fe-Si-Al)
1,000
?Core
Loss Characteristics
(Magnetic Flux Density Dependency)
@
High Flux(Fe-Ni)
1,000
core loss PFe [mW/g]
100
core loss PFe [mW/g]
100
10
300[kHz]
200[kHz]
100[kHz]
50[kHz]
25[kHz]
1
10
100
1,000
10,000
10
300[kHz]
200[kHz]
100[kHz]
50[kHz]
25[kHz]
1
1
1
10
100
1,000
10,000
Magnetic flux density
D
Bp-p[mT]
Magnetic flux density
D
Bp-p[mT]
?Core
Loss Characteristics
(Magnetic Flux Density Dependency)
@
Silicon steel dust (Fe-Si)
1,000
core loss PFe [mW/g]
100
10
300[kHz]
200[kHz]
100[kHz]
50[kHz]
25[kHz]
1
1
10
100
1,000
10,000
Magnetic flux density
D
Bp-p[mT]
(1/5)
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