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!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
Chip Coils
for Choke Winding Type LQH31C/LQH32C/LQH43C Series
LQH31C Series
■ Features
LQH31C series consists of miniature chip inductors
with low DC resistance, high current capacity, and
high impedance characteristics. It is suitable for use
as choke coils in DC power supply circuits. High rated
current up to 970mA is available.
2.3±0.2
1.8±0.2
1.6±0.2
1.6±0.2
3.2±0.3
0.7min. 0.7min. 0.7min. (in mm)
Part Number Inductance
(µH) Test Frequency
(MHz)
Rated
Current
(mA)
DC Resistance
(ohm)
Self Resonance
Frequency (min.)
(MHz) EIA
LQH31CNR12M03 0.12 ±20% 1 970 0.08 ±40% 250 1206
LQH31CNR22M03 0.22 ±20% 1 850 0.1 ±40% 250 1206
LQH31CNR47M03 0.47 ±20% 1 700 0.15 ±40% 180 1206
LQH31CN1R0M03 1.0 ±20% 1 510 0.28 ±30% 100 1206
LQH31CN2R2M03 2.2 ±20% 1 430 0.41 ±30% 50 1206
LQH31CN4R7M03 4.7 ±20% 1 340 0.65 ±30% 31 1206
LQH31CN100K03 10 ±10% 1 230 1.3 ±30% 20 1206
LQH31CN220K03 22 ±10% 1 160 3.0 ±30% 14 1206
LQH31CN470K03 47 ±10% 1 100 8.0 ±30% 10 1206
LQH31CN101K03 100 ±10% 1 80 12 ±30% 7 1206
Operating Temp. Range : -25°C to +85°C
■ Impedance-Frequency Characteristics
0.01
0.1
1
10
100
1000
0.01 0.1 1 10 100 1000
Frequency (MHz)
Impedance (kΩ)
100µH10µH
1.0µH
■ Inductance-Current Characteristics
100µH
10µH
1.0µH
100
10
1
5 10 50 100 500
Current (mA)
Inductance (µH)
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specifications before ordering.
!Note O05E12.pdf 04.8.9
54
10
!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
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.
■ Features (LQH32C_23/_33)
1. Low DC resistance, high rated current and high
inductance. Inductance : 0.15 to 560 micro H.
2. The series exhibits 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.
(in mm)
2.5±0.2 2.5±0.2
2.0±0.2
2.5±0.2
3.2±0.3
0.9±0.3 1.3±0.2 0.9±0.3
LQH32C_23/_33
LQH32C_23 Series
Part Number Inductance
(µH) Test Frequency Rated
Current
(mA)
DC Resistance
(ohm)
Self Resonance
Frequency (min.)
(MHz) EIA
LQH32CN1R0M23 1.0 ±20% 1MHz 800 0.09 ±30% 96 1210
LQH32CN2R2M23 2.2 ±20% 1MHz 600 0.13 ±30% 64 1210
LQH32CN4R7M23 4.7 ±20% 1MHz 450 0.2 ±30% 43 1210
LQH32CN100K23 10 ±10% 1MHz 300 0.44 ±30% 26 1210
LQH32CN220K23 22 ±10% 1MHz 250 0.71 ±30% 19 1210
LQH32CN470K23 47 ±10% 1MHz 170 1.3 ±30% 15 1210
LQH32CN101K23 100 ±10% 1MHz 100 3.5 ±30% 10 1210
LQH32CN221K23 220 ±10% 1MHz 70 8.4 ±30% 6.8 1210
LQH32CN331K23 330 ±10% 1MHz 60 10 ±30% 5.6 1210
LQH32CN391K23 390 ±10% 1MHz 60 17 ±30% 5 1210
LQH32CN471K23 470 ±10% 1kHz 60 19 ±30% 5 1210
LQH32CN561K23 560 ±10% 1kHz 60 22 ±30% 5 1210
Operating Temp. Range : -25°C to +85°C
LQH32C_33 Series (Low DC Resistance Type)
Part Number Inductance
(µH) Test Frequency
(MHz)
Rated
Current
(mA)
DC Resistance
(ohm)
Self Resonance
Frequency (min.)
(MHz) EIA
LQH32CNR15M33 0.15 ±20% 1 1450 0.028 ±30% 400 1210
LQH32CNR27M33 0.27 ±20% 1 1250 0.034 ±30% 250 1210
LQH32CNR47M33 0.47 ±20% 1 1100 0.042 ±30% 150 1210
LQH32CN1R0M33 1.0 ±20% 1 1000 0.06 ±30% 100 1210
LQH32CN2R2M33 2.2 ±20% 1 790 0.097 ±30% 64 1210
LQH32CN4R7M33 4.7 ±20% 1 650 0.15 ±30% 43 1210
LQH32CN100K33 10 ±10% 1 450 0.3 ±30% 26 1210
Operating Temp. Range : -25°C to +85°C
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specifications before ordering.
!Note O05E12.pdf 04.8.9
55
10
!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
■ Impedance-Frequency Characteristics
LQH32C_23/_33
0.01
0.1
1
10
100
1000
0.01 0.1 1 10 100 1000
Frequency (MHz)
Impedance (kΩ)
100µH
10µH
1.0µH
■ Inductance-Current Characteristics
LQH32C_23/_33
1 10 1000100
1000
100
10
1
0.1
DC Current (mA)
Inductance (µH)
100µH
10µH
1.0µH
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specifications before ordering.
!Note O05E12.pdf 04.8.9
56
10
!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
LQH32C_53 Series (Low Profile Type)
LQH32C_53 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.
The LQH32C_53 series has achieved max 1.7mm height
and high rated current.
■ Features
1. The series has a wide inductance range of
1.0 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.
2.5±0.2 2.5±0.2
1.55±0.15
2.5±0.2
3.2±0.3
A : 2.8 max.
A
0.9±0.3 1.3±0.2 0.9±0.3
A
(in mm)
Part Number Inductance
(µH) Test Frequency
(MHz)
Rated
Current
(mA)
DC Resistance
(ohm)
Self Resonance
Frequency (min.)
(MHz) EIA
LQH32CN1R0M53 1.0 ±20% 1 1000 0.060 ±30% 100 1210
LQH32CN2R2M53 2.2 ±20% 1 790 0.097 ±30% 64 1210
LQH32CN4R7M53 4.7 ±20% 1 650 0.15 ±30% 43 1210
LQH32CN100K53 10 ±10% 1 450 0.30 ±30% 26 1210
LQH32CN150K53 15 ±10% 1 300 0.58 ±30% 26 1210
LQH32CN220K53 22 ±10% 1 250 0.71 ±30% 19 1210
LQH32CN330K53 33 ±10% 1 200 1.1 ±30% 17 1210
LQH32CN470K53 47 ±10% 1 170 1.3 ±30% 15 1210
LQH32CN680K53 68 ±10% 1 130 2.2 ±30% 12 1210
LQH32CN101K53 100 ±10% 1 100 3.5 ±30% 10 1210
Operating Temp. Range : -25°C to +85°C
■ Impedance-Frequency Characteristics
LQH32C_53
1 10 100
10
100
1
0.1
0.01
0.001 1000
10uH
1.0uH
Impedance (kΩ)
Frequency(MHz)
100uH
■ Inductance-Current Characteristics
LQH32C_53
1 10 100
100
1000
10
1
0.1 1000
100uH
10uH
1.0uH
DC Current (mA)
Inductance (µH)
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specifications before ordering.
!Note O05E12.pdf 04.8.9
57
10
!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
LQH43C Series
LQH43C series consists of miniature chip inductors
with low DC resistance, high current capacity, and
high impedance characteristics. It is suitable for use
as choke coils in DC power supply circuits.
■ Features
1. Various inductance ranges are 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. Small size 4.5x3.2mm and realized low height
2.8mm max.
4. The series has excellent solder heat resistance.
Both flow and reflow soldering methods can be
employed.
3.6±0.2
4.5±0.3
2.6±0.2
3.2±0.2
3.2±0.2
1.0min. 1.0min. 1.0min. (in mm)
Part Number Inductance
(µH) Test Frequency Rated
Current
(mA)
DC Resistance
(ohm)
Self Resonance
Frequency (min.)
(MHz) EIA
LQH43CN1R0M03 1.0 ±20% 1MHz 1080 0.08 max. 100 1812
LQH43CN1R5M03 1.5 ±20% 1MHz 1000 0.09 max. 85 1812
LQH43CN2R2M03 2.2 ±20% 1MHz 900 0.11 max. 60 1812
LQH43CN3R3M03 3.3 ±20% 1MHz 800 0.13 max. 47 1812
LQH43CN4R7M03 4.7 ±20% 1MHz 750 0.15 max. 35 1812
LQH43CN6R8M03 6.8 ±20% 1MHz 720 0.20 max. 30 1812
LQH43CN100K03 10 ±10% 1MHz 650 0.24 max. 23 1812
LQH43CN150K03 15 ±10% 1MHz 570 0.32 max. 20 1812
LQH43CN220K03 22 ±10% 1MHz 420 0.6 max. 15 1812
LQH43CN330K03 33 ±10% 1MHz 310 1.0 max. 12 1812
LQH43CN470K03 47 ±10% 1MHz 280 1.1 max. 10 1812
LQH43CN680K03 68 ±10% 1MHz 220 1.7 max. 8.4 1812
LQH43CN101K03 100 ±10% 1MHz 190 2.2 max. 6.8 1812
LQH43CN151K03 150 ±10% 1MHz 130 3.5 max. 5.5 1812
LQH43CN221K03 220 ±10% 1MHz 110 4.0 max. 4.5 1812
LQH43CN331K03 330 ±10% 1MHz 100 6.8 max. 3.6 1812
LQH43CN471K03 470 ±10% 1kHz 90 8.5 max. 3.0 1812
Operating Temp. Range : -25°C to +85°C
■ Impedance-Frequency Characteristics
0.01 0.1 1 10010
100
1000
10
1
0.1
0.01 1000
Impedance (kΩ)
Frequency (MHz)
1.0µH
100µH
10µH
■ Inductance-Current Characteristics
1 10 100 100001000
1000
100
10
1
0.1
DC Current (mA)
Inductance (µH)
100µH
10µH
1.0µH
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specifications before ordering.
!Note O05E12.pdf 04.8.9
