CG01-J 233
SURFACE MOUNT INDUCTORS
CHIP INDUCTORS
LQH1C/3C/4C Series
LQH 3 C 1R0 M 34 M00
TYPE SIZE CHOKE INDUCTANCE TOLERANCE ELECTRODE UNMARKED
LQH: With 1: 3.2 x 1.6 (1206) APPLICATION R12: 0.12H K: ±10% CHARACTERISTICS
Coating 3: 3.2 x 2.5 (1210) 1R0: 1.0H M: ±20% 04/24/34:
4: 4.5 x 3.2 (1812) Nickel & Solder
PART NUMBERING SYSTEM
SPECIFICATIONS
Inductance DC Self-resonant Frequency
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Dimensions: mm
Part Number Nominal Tolerance Measurement Resistance Typical Min. Value Allowable Operating
Value (H) (%) Frequency (Ohms) (MHz) Current (mA) Temp. Range
LQH1CR12M04 0.12 0.08 ± 40% 900 250 970
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_
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LQH1CR22M04 0.22 0.10 ± 40% 570 250 850
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_
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LQH1CR47M04 0.47 ±20 0.15 ± 40% 310 180 700
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_
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LQH1C1R0M04 1.0 0.28 ± 30% 190 100 510 –25°C
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_
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LQH1C2R2M04 2.2 1MHz 0.41 ± 30% 110 50 430 ~
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_
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LQH1C4R7M04 4.7 0.65 ± 30% 67 31 340 +85°C
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LQH1C100K04 10 1.3 ± 30% 42 20 230
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_
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LQH1C220K04 22 ±10 3.0 ± 30% 26 14 160
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_
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LQH1C470K04 47 8.0 ± 30% 18 10 100
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_
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LQH1C101K04 100 12.0 ± 30% 12 7 80
LQH3C1R0M34 1.0 0.09 ± 30% 150 96 800
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_
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LQH3C2R2M34 2.2 ±20 0.13 ± 30% 100 64 600
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_
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LQH3C4R7M34 4.7 0.20 ± 30% 66 43 450
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LQH3C100K34 10 0.44 ± 30% 40 26 300
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LQH3C220K34 22 1MHz 0.71 ± 30% 27 19 250 –25°C
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LQH3C470K34 47 1.3 ± 30% 19 15 170 ~
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LQH3C101K34 100 3.5 ± 30% 13 10 100 +85°C
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LQH3C221K34 220 ±10 8.4 ± 30% 8.5 6.8 70
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LQH3C331K34 330 10.0 ± 30% 7.0 5.6
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LQH3C391K34 390 17.0 ± 30% 6.6 60
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LQH3C471K34 470 1kHz 19.0 ± 30% 6.2 5.0
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LQH3C561K34 560 22.0 ± 30% 5.7
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LQH3CR15M24 0.15 0.028 ± 30% 650 400 1450
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LQH3CR27M24 0.27 0.034 ± 30% 450 250 1250
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LQH3CR47M24 0.47 ±20 0.042 ± 30% 300 150 1100 –25°C
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LQH3C1R0M24 1.0 1MHz 0.060 ± 30% 200 100 1000 ~
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LQH3C2R2M24 2.2 0.097 ± 30% 120 64 790 +85°C
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LQH3C4R7M24 4.7 0.15 ± 30% 77 43 650
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LQH3C100K24 10 ±10 0.30 ± 30% 50 26 450
The LQH1C and LQH3C Series are subminiature chip coils
with low DC resistance, high current capacity and high
impedance characteristics. These features are made possible
by the development of Murata Electronics’ own automatic
winding and multilayer techniques. They are excellent for
use as choke coils in DC power supply circuits.
LQH1C
The sub-miniature dimensions (3.2 x 1.6 x 1.8mm) allow
parallel mounting on 2.5mm centers. Despite their small size,
at 0.12H these coils have a maximum current rating of 970mA.
LQH3C
The low DC resistance means high current and high
inductance.
LQH4C
Low voltage drop and small variations in inductance with
respect to temperature rise and DC current level.
2.3 ± 0.2
1206
1210
0.7
min.
0.7
min.
0.7
min.
3.2 ± 0.3
1.6 ± 0.2
1.6 ± 0.2 1.8 ± 0.2
2.5 ± 0.2

3.2 ± 0.3
2.5 ± 0.2
2.5 ± 0.2 2.0 ± 0.2
Available as standard through authorized Murata Electronics Distributors.
Part Number 
LQH3C…M34 0.9 ± 1.3 ± 0.9 ±
.3 .2 .3
LQH3C…M24 0.7 0.7 0.7
min. min. min.
SURFACE MOUNT
INDUCTORS
234 CG01-J
SURFACE MOUNT INDUCTORS
CHIP INDUCTORS
LQH1C/3C/4C Series
SPECIFICATIONS
Inductance DC Self-resonant Allowable Operating
Dimensions: mm Part Number Nominal Tolerance Test Resistance Frequency Current Temperature
Value (H) (%) Frequency (Ohms max.) (MHz min.) (mA) Range
LQH4C1R0M04 1.0 0.08 100 1080
LQH4C1R5M04 1.5 0.09 85 1000
LQH4C2R2M04 2.2 ±20 0.11 60 900
LQH4C3R3M04 3.3 0.13 47 800
LQH4C4R7M04 4.7 0.15 35 750
LQH4C6R8M04 6.8 0.20 30 720
LQH4C100K04 10 0.24 23 650
LQH4C150K04 15 1MHz 0.32 20 570 –25°C
LQH4C220K04 22 0.6 15 420 ~
LQH4C330K04 33 1.0 12 310 +85°C
LQH4C470K04 47 1.1 10 280
LQH4C680K04 68 ±10 1.7 8.4 220
LQH4C101K04 100 2.2 6.8 190
LQH4C151K04 150 3.5 5.5 130
LQH4C221K04 220 4.0 4.5 110
LQH4C331K04 330 6.8 3.6 100
LQH4C471K04 470 1kHz 8.5 3.0 90
1812
Available as standard through authorized Murata Electronics Distributors.
3.6 ± 0.2
1.0
min.
1.0
min.
1.0
min.
3.2 ± 0.2
4.5 ± 0.3
2.6 ± 0.2
3.2 ± 0.2
3.2 ± 0.2
TYPICAL ELECTRICAL CHARACTERISTICS
IMPEDANCE-FREQUENCY CHARACTERISTICS DIRECT CURRENT CHARACTERISTICS
LQH1C Series
1000
100
1
0.01
Impedance (kohm)
100
Frequency (MHz)
1000
10
0.1
100H
1010.10.01
10H
1.0H
LQH1C Series
500
100
1
Inductance (H)
500
DC Current (mA)
10
100H
10
10H
1.0H
550100
LQH3C Series
1000
100
1
Inductance (H)
DC Current (mA)
10
100H
10
10H
1.0H
1100
0.1
1000
LQH3C Series
1000
100
1
0.01
Impedance (kohm)
100
Frequency (MHz)
1000
10
0.1
100H
1010.10.01
10H
1.0H
LQH4C Series
1000
100
1
Inductance (H)
DC Current (mA)
10
100H
10
10H
1.0H
1100
0.1
1000 10000
LQH4C Series
1000
100
1
0.01
Impedance (kohm)
100
Frequency (MHz)
1000
10
0.1
100H
1010.10.01
10H
1.0H