This is the PDF file of catalog No.O05E-6
O05E6.pdf 01.5.9
CHIP COILS
for Choke Winding Type LQH31C/LQH32C/LQH43C Series
LQH31C Series
2.3±0.2
1.6±0.2
s
Features
The LQH31C series consists of miniature chip inductors
with low DC resistance, high current capacity, and high
impedacne characteristics. It is suitable for use as
choke coils in DC power supply circuits. high rated
current up to 970mA is available.
1.8±0.2
3.2±0.3
1.6±0.2
0.7min
0.7min
0.7min
(in mm)
Part Number
LQH31CN100K01
LQH31CN220K01
LQH31CN470K01
LQH31CN101K01
LQH31CNR12M01
LQH31CNR22M01
LQH31CNR47M01
LQH31CN1R0M01
LQH31CN2R2M01
LQH31CN4R7M01
Min. of Operating Temp. : -25°C to 85°C
Inductance
(µH)
10
±10%
22
±10%
47
±10%
100
±10%
0.12
±20%
0.22
±20%
0.47
±20%
1
±20%
2.2
±20%
4.7
±20%
Rated Current
(mA)
230
160
100
80
970
850
700
510
430
340
Max. of DC resistance
(ohm)
1.69
3.9
10.4
15.6
0.112
0.14
0.21
0.364
0.533
0.845
Self Resonance Frequency
(MHz)
20 min.
14 min.
10 min.
7 min.
250 min.
250 min.
180 min.
100 min.
50 min.
31 min.
10
s
Impedance-Frequency Characteristics
1000
s
Inductance-Current Characteristics
100
100µH
Impedance (kΩ)
10µH
10
1.0µH
1
Inductance (µH)
100µH
100
0.1
10µH
10
0.01
0.01
0.1
1
10
Frequency (MHz)
1.0µH
1
100
1000
5
10
50
100
500
Current (mA)
34
This is the PDF file of catalog No.O05E-6
O05E6.pdf 01.5.9
LQH32C Series
2.5±0.2
2.5±0.2
The LQH32C series consists of miniature chip coils with
low DC resistance, high current capacity, and high
impedance characteristics.
These features are made possible by the development of
Murata's innovative automatic winding techniques.
They are excellent for use as choke coils in DC power
supply circuits.
2.0±0.2
3.2±0.3
2.5±0.2
s
Features
1. The low DC resistance means high current and high
inductance.
For inductance ranging from 0.15 micro H to
10 micro H, LQH32C coils have very low DC resistance.
2. The series exhibit low voltage drops and small
variations in inductance with respect to temperature
rise and DC current level. This makes them excellent
for use as power supply line choke coils.
3. The series has excellent solder heat resistance. Both
flow and reflow soldering methods can be employed.
LQH32C
0.9±0.3 1.3±0.2
0.9±0.3
(in mm)
2.5±0.2
2.5±0.2
The LQH32CN_51 series consists of miniature chip coils
with low DC resistance, high current capacity, and high
impedance characteristics.
These features are made possible by the development of
Murata's innovative winding techniques. They are
excellent for use as choke coils in DC power supply
circuits.
A
1.55±0.15
3.2±0.3
A
A : 2.8 max.
2.5±0.2
s
Features (LQH32CN_51)
1. The series have a wide inductance range of 1.0 micro H
to 100 micro H.
2. The series exhibit low voltage drops and small
variations in inductance with respect to temperature
rise and DC current level. This makes them excellent
for use as power supply line choke coils.
3. The series has excellent solder heat resistance. Both
flow and reflow soldering methods can be employed.
Inductance
(µH)
10
±10%
10
±10%
10
±10%
15
±10%
22
±10%
22
±10%
33
±10%
47
±10%
47
±10%
68
±10%
100
±10%
100
±10%
220
±10%
330
±10%
390
±10%
LQH32CN_51
0.9±0.3 1.3±0.2 0.9±0.3
(in mm)
10
Part Number
LQH32CN100K11
LQH32CN100K21
LQH32CN100K51
LQH32CN150K51
LQH32CN220K21
LQH32CN220K51
LQH32CN330K51
LQH32CN470K21
LQH32CN470K51
LQH32CN680K51
LQH32CN101K21
LQH32CN101K51
LQH32CN221K21
LQH32CN331K21
LQH32CN391K21
Rated Current
(mA)
450
300
450
300
250
250
200
170
170
130
100
100
70
60
60
Max. of DC resistance
(ohm)
0.39
0.572
0.390
0.754
0.923
0.923
1.43
1.69
1.69
2.86
4.55
4.55
10.92
13
22.1
Self Resonance Frequency
(MHz)
26 min.
26 min.
26 min.
26 min.
19 min.
19 min.
17 min.
15 min.
15 min.
12 min.
10 min.
10 min.
6.8 min.
5.6 min.
5 min.
Continued on the following page.
35
This is the PDF file of catalog No.O05E-6
Continued from the preceding page.
O05E6.pdf 01.5.9
Part Number
LQH32CN471K21
LQH32CN561K21
LQH32CNR15M11
LQH32CNR27M11
LQH32CNR47M11
LQH32CN1R0M11
LQH32CN1R0M21
LQH32CN1R0M51
LQH32CN2R2M11
LQH32CN2R2M21
LQH32CN2R2M51
LQH32CN4R7M11
LQH32CN4R7M21
LQH32CN4R7M51
Min. of Operating Temp. : -25°C to 85°C
Inductance
(µH)
470
±10%
560
±10%
0.15
±20%
0.27
±20%
0.47
±20%
1
±20%
1.0
±20%
1.0
±20%
2.2
±20%
2.2
±20%
2.2
±20%
4.7
±20%
4.7
±20%
4.7
±20%
Rated Current
(mA)
60
60
1450
1250
1100
1000
1000
1000
790
600
790
650
450
650
Max. of DC resistance
(ohm)
24.7
28.6
0.036
0.044
0.055
0.078
0.078
0.078
0.1261
0.169
0.126
0.195
0.26
0.195
Self Resonance Frequency
(MHz)
5 min.
5 min.
400 min.
250 min.
150 min.
100 min.
26 min.
100 min.
64 min.
64 min.
64 min.
43 min.
43 min.
43 min.
s
Impedance-Frequency Characteristics
LQH32C
1000
s
Inductance-Current Characteristics
LQH32C
1000
100
100µH
Impedance (kΩ)
Inductance (µH)
10
10µH
100
100µH
1
1.0µH
10
10µH
0.1
1
0.01
0.01
0.1
1
10
Frequency (MHz)
100
1000
0.1
1
1.0µH
10
DC Current (mA)
100
1000
10
s
Impedance-Frequency Characteristics
LQH32CN_51
100
s
Inductance-Current Characteristics
LQH32CN_51
1000
100uH
10
Impedance (kΩ)
Inductance (µH)
100uH
100
10uH
1
10
10uH
1.0uH
0.1
1.0uH
1
0.01
0.001
1
10
Frequency(MHz)
100
0.1
1000
1
10
DC Current (mA)
100
1000
36
This is the PDF file of catalog No.O05E-6
O05E6.pdf 01.5.9
LQH43C Series
3.6±0.2
3.2±0.2
The LQH43C series consists of miniature chip inductors
with low DC resistance, high current capacity, and high
impedacne characteristics. It is suitable for use as
choke coils in DC power supply circuits.
4.5±0.3
2.6±0.2
3.2±0.2
s
Features
1. The LQH43C series has an open magnetic structure.
Various inductance range is available.
2. The series exhibits low voltage drops and small
change in inductance with respect to temperature
rise and DC current level. This makes them excellent
to use as power supply line choke coils.
3. The LQH43C has miniature size 4.5mmx3.2mm and
realized low height 2.8mm at max.
4. The series has excellent solder heat resistance.
Both flow and reflow soldering methods can be
employed.
Inductance
(µH)
10
±10%
15
±10%
22
±10%
33
±10%
47
±10%
68
±10%
100
±10%
150
±20%
220
±10%
330
±10%
470
±10%
1.0
±20%
1.5
±20%
2.2
±20%
3.3
±20%
4.7
±20%
6.8
±20%
Rated Current
(mA)
650
570
420
310
280
220
190
130
110
100
90
1080
1000
900
800
750
720
1.0min
1.0min 1.0min
in mm
Part Number
LQH43CN100K01
LQH43CN150K01
LQH43CN220K01
LQH43CN330K01
LQH43CN470K01
LQH43CN680K01
LQH43CN101K01
LQH43CN151K01
LQH43CN221K01
LQH43CN331K01
LQH43CN471K01
LQH43CN1R0M01
LQH43CN1R5M01
LQH43CN2R2M01
LQH43CN3R3M01
LQH43CN4R7M01
LQH43CN6R8M01
Min. of Operating Temp. : -25°C to 85°C
Max. of DC resistance
(ohm)
0.24
0.32
0.6
1.0
1.1
1.7
2.2
3.5
4.0
6.8
8.5
0.08
0.09
0.11
0.13
0.15
0.20
Self Resonance Frequency
(MHz)
23
20
15
12
10
8.4
6.8
5.5
4.5
3.6
3.0
100
85
60
47
35
30
10
s
Impedance-Frequency Characteristics
1000
s
Inductance-Current Characteristics
1000
100µH
100
100
Impedance (kΩ)
Inductance (µH)
10µH
10
1.0µH
100µH
10
10µH
1
1.0µH
1
0.1
0.01
0.01
0.1
1
10
Frequency (MHz)
100
1000
0.1
1
10
100
DC Current (mA)
1000
10000
37
This is the PDF file of catalog No.O05E-6
O05E6.pdf 01.5.9
o
Part Numbering
Chip Coils (SMD)
the "Global Part Numbers" that will be
the meaning
(
The structure ofquestions about details, inquire at your adopted from June 2001 anddistributor. of each code are described herein.
)
If you have any
usual Murata sales office or
(Global Part Number)
qProduct
ID
Product ID
LQ
wStructure
Code
G
H
M
P
W
eDimension
(LgW)
Code
03
15
18
21
2B
31
32
3E
3K
43
55
66
LQ
q
H
32
M
N
331 K
y
2
1 L
tCategory
Code
Category
Standard Type
w e
r t
u i o !0
Chip Coils
N
yInductance
Structure
Monolithic Type (Air-core Coil)
Winding Type (Ferrite Core)
Monolithic (Ferriet Core)
Film Type
Winding Type (Air-core Coil)
Expressed by three figures. The unit is micro-henry (µH). The first
and second figures are significant digits, and the third figure
expresses the number of zero which follow the two figures. If
there is a decimal point, it is expressed by capital letter "R". In
this case, all figures are significant digits. If inductance is less
than 0.1µH, the inductance code is expressed by combination of
two figures are capital letter "N", and the unit of inductance is
nano-henry (nH).
Capital letter "N" indicates the unit of "nH", and also expresses a
decimal point. In this case, all figure are significant digits.
Dimension (LgW)
0.60g0.30mm
1.00g0.50mm
1.60g0.80mm
2.00g1.25mm
2.00g1.50mm
3.20g1.60mm
3.20g2.50mm
3.50g3.20mm
3.30g3.30mm
4.50g3.20mm
5.70g5.00mm
6.30g6.30mm
uInductance
Tolerance
Code
B
C
D
G
H
J
K
M
N
S
iFeatures
Expressed by a figure from "0" to "2".
Ex.)
Code
0
oElectrode
Code
0
1
2
!0
Pakaging
Code
K
L
B
J
D
Pakaging
Plastic Taping (ø330mm Reel)
Plastic Taping (ø180mm Reel)
Bulk
Paper Taping (ø330mm Reel)
Paper Taping (ø180mm Reel)
Electrode
Solder Plating
Sputtering
Sn Plating
Fetures
Standard Type
Inductance Tolerance
±0.1nH
±0.2nH
±0.5nH
±2%
±3%
±5%
±10%
±20%
±30%
±0.3nH
rApplications
and Characteristics
Code
H
N
D
F
M
T
A
H
N
M
R
D
C
S
H
LQH
LQP
LQW
LQM
Series
LQG
Applications and Characteristics
Monolithic Air-core
for Resonant Circuit
for Choke
(Low-current DC Power Supplies)
for Choke (DC Power Supplies)
Film Type
Film Type (Low DC Resistance Type)
High Q Type (UFH-SHF)
High Q Type (VHF-UHF)
for Resonant Circuit
for Resonant Circuit (Coating Type)
for Resonant Circuit
(Magnetically Shielded Type)
for Choke
for Choke (Coating Type)
for Choke (Magnetically Shielded Type)
for High-frequency Resonant Circuit
2
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