Please read CAUTION and Notice in this catalog for safety. This catalog has only typical specifications. Therefore you are requested to approve our product specification or to transact the approval sheet for product specification, before your ordering. O05E7.pdf 02.3.28 Chip Coils for Choke Winding Type LQH31C/LQH32C/LQH43C Series LQH31C Series 2.30.2 1.60.2 Features 1.80.2 The 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. 1.60.2 3.20.3 0.7min 0.7min (in mm) 0.7min Part Number Inductance (H) Test Frequency (MHz) Rated Current (mA) DC Resistance (ohm) Self Resonance Frequency (MHz) EIA LQH31CNR12M01 0.12 20% 1 970 0.08 40% 250 min. 1206 LQH31CNR22M01 0.22 20% 1 850 0.1 40% 250 min. 1206 LQH31CNR47M01 0.47 20% 1 700 0.15 40% 180 min. 1206 LQH31CN1R0M01 1 20% 1 510 0.28 30% 100 min. 1206 LQH31CN2R2M01 2.2 20% 1 430 0.41 30% 50 min. 1206 LQH31CN4R7M01 4.7 20% 1 340 0.65 30% 31 min. 1206 LQH31CN100K01 10 10% 1 230 1.3 30% 20 min. 1206 LQH31CN220K01 22 10% 1 160 3.0 30% 14 min. 1206 LQH31CN470K01 47 10% 1 100 8.0 30% 10 min. 1206 LQH31CN101K01 100 10% 1 80 12 30% 7 min. 1206 Operating Temp. Range : -25C to 85C 10 Impedance-Frequency Characteristics Inductance-Current Characteristics 1000 100 100H 10H 100 10 1.0H 1 Inductance (H) Impedance (k) 100H 0.1 10H 10 0.01 0.01 0.1 1 10 100 1000 Frequency (MHz) 1.0H 1 5 10 50 Current (mA) 42 100 500 Please read CAUTION and Notice in this catalog for safety. This catalog has only typical specifications. Therefore you are requested to approve our product specification or to transact the approval sheet for product specification, before your ordering. O05E7.pdf 02.3.28 LQH32C_11/_21 2.50.2 2.00.2 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. 2.50.2 2.50.2 3.20.3 Features (LQH32C_11/_21) LQH32C_11 1. The low DC resistance means high current and high inductance. For inductance ranging from 0.15 micro H to 560 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. 0.7min 0.7min in mm 0.7min 2.50.2 2.00.2 2.50.2 2.50.2 3.20.3 LQH32C_21 0.90.3 1.30.2 0.90.3 (in mm) Part Number Inductance (H) Test Frequency Rated Current (mA) DC Resistance (ohm) Self Resonance Frequency (MHz) EIA LQH32CNR15M11 0.15 20% 1MHz 1450 0.028 30% 400 min. 1210 LQH32CNR27M11 0.27 20% 1MHz 1250 0.034 30% 250 min. 1210 LQH32CNR47M11 0.47 20% 1MHz 1100 0.042 30% 150 min. 1210 LQH32CN1R0M11 1 20% 1MHz 1000 0.06 30% 100 min. 1210 LQH32CN2R2M11 2.2 20% 1MHz 790 0.097 30% 64 min. 1210 LQH32CN4R7M11 4.7 20% 1MHz 650 0.15 30% 43 min. 1210 LQH32CN100K11 10 10% 1MHz 450 0.3 30% 26 min. 1210 LQH32CN1R0M21 1.0 20% 1MHz 800 0.06 30% 96 min. 1210 LQH32CN2R2M21 2.2 20% 1MHz 600 0.13 30% 64 min. 1210 LQH32CN4R7M21 4.7 20% 1MHz 450 0.2 30% 43 min. 1210 LQH32CN100K21 10 10% 1MHz 300 0.44 30% 26 min. 1210 LQH32CN220K21 22 10% 1MHz 250 0.71 30% 19 min. 1210 LQH32CN470K21 47 10% 1MHz 170 1.3 30% 15 min. 1210 LQH32CN101K21 100 10% 1MHz 100 3.5 30% 10 min. 1210 LQH32CN221K21 220 10% 1MHz 70 8.4 30% 6.8 min. 1210 LQH32CN331K21 330 10% 1MHz 60 10 30% 5.6 min. 1210 LQH32CN391K21 390 10% 1MHz 60 17 30% 5 min. 1210 LQH32CN471K21 470 10% 1kHz 60 19 30% 5 min. 1210 LQH32CN561K21 560 10% 1kHz 60 22 30% 5 min. 1210 10 Operating Temp. Range : -25C to 85C 43 Please read CAUTION and Notice in this catalog for safety. This catalog has only typical specifications. Therefore you are requested to approve our product specification or to transact the approval sheet for product specification, before your ordering. Impedance-Frequency Characteristics Inductance-Current Characteristics LQH32C_11/_21 LQH32C_11/_21 1000 1000 100 100H 100H 100 10H 10 Inductance (H) Impedance (k) O05E7.pdf 02.3.28 1.0H 1 10H 10 0.1 1.0H 1 0.01 0.01 0.1 1 10 Frequency (MHz) 10 44 100 1000 0.1 1 10 100 DC Current (mA) 1000 Please read CAUTION and Notice in this catalog for safety. This catalog has only typical specifications. Therefore you are requested to approve our product specification or to transact the approval sheet for product specification, before your ordering. O05E7.pdf 02.3.28 LQH32C_51 (Low Profile Type) 2.50.2 The LQH32C_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. 1.550.15 2.50.2 A A A : 2.8 max. 3.20.3 2.50.2 Features (LQH32C_51) LQH32C_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 e and DC current level. This makes them excellent or use as power supply line choke coils. 3. The series has excellent solder heat resistance. Both flow and reflow soldering methods can be employed. 0.90.3 1.30.2 0.90.3 (in mm) Inductance (H) Test Frequency (MHz) Rated Current (mA) DC Resistance (ohm) Self Resonance Frequency (MHz) EIA LQH32CN1R0M51 1.0 20% 1 1000 0.060 30% 100 min. 1210 LQH32CN2R2M51 2.2 20% 1 790 0.097 30% 64 min. 1210 LQH32CN4R7M51 4.7 20% 1 650 0.15 30% 43 min. 1210 LQH32CN100K51 10 10% 1 450 0.30 30% 26 min. 1210 LQH32CN150K51 15 10% 1 300 0.58 30% 26 min. 1210 LQH32CN220K51 22 10% 1 250 0.71 30% 19 min. 1210 LQH32CN330K51 33 10% 1 200 1.1 30% 17 min. 1210 LQH32CN470K51 47 10% 1 170 1.3 30% 15 min. 1210 LQH32CN680K51 68 10% 1 130 2.2 30% 12 min. 1210 LQH32CN101K51 100 10% 1 100 3.5 30% 10 min. 1210 Part Number Operating Temp. Range : -25C to 85C 10 Impedance-Frequency Characteristics Inductance-Current Characteristics LQH32C_51 LQH32C_51 1000 100 100uH 100uH 100 Inductance (H) Impedance (k) 10 10uH 1 1.0uH 0.1 10uH 10 1.0uH 1 0.01 0.1 0.001 1 10 100 Frequency(MHz) 1000 1 10 100 1000 DC Current (mA) 45 Please read CAUTION and Notice in this catalog for safety. This catalog has only typical specifications. Therefore you are requested to approve our product specification or to transact the approval sheet for product specification, before your ordering. O05E7.pdf 02.3.28 LQH43C Series 3.20.2 3.60.2 2.60.2 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. 3.20.2 4.50.3 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. in mm 1.0min 1.0min Inductance (H) Test Frequency Rated Current (mA) DC Resistance (ohm) Self Resonance Frequency (MHz) EIA LQH43CN1R0M01 1.0 20% 1MHz 1080 0.08 max. 100 1812 LQH43CN1R5M01 1.5 20% 1MHz 1000 0.09 max. 85 1812 LQH43CN2R2M01 2.2 20% 1MHz 900 0.11 max. 60 1812 LQH43CN3R3M01 3.3 20% 1MHz 800 0.13 max. 47 1812 LQH43CN4R7M01 4.7 20% 1MHz 750 0.15 max. 35 1812 LQH43CN6R8M01 6.8 20% 1MHz 720 0.20 max. 30 1812 LQH43CN100K01 10 10% 1MHz 650 0.24 max. 23 1812 LQH43CN150K01 15 10% 1MHz 570 0.32 max. 20 1812 LQH43CN220K01 22 10% 1MHz 420 0.6 max. 15 1812 LQH43CN330K01 33 10% 1MHz 310 1.0 max. 12 1812 LQH43CN470K01 47 10% 1MHz 280 1.1 max. 10 1812 LQH43CN680K01 68 10% 1MHz 220 1.7 max. 8.4 1812 LQH43CN101K01 100 10% 1MHz 190 2.2 max. 6.8 1812 LQH43CN151K01 150 10% 1MHz 130 3.5 max. 5.5 1812 LQH43CN221K01 220 10% 1MHz 110 4.0 max. 4.5 1812 LQH43CN331K01 330 10% 1MHz 100 6.8 max. 3.6 1812 LQH43CN471K01 470 10% 1kHz 90 8.5 max. 3.0 1812 Part Number Operating Temp. Range : -25C to 85C Impedance-Frequency Characteristics Inductance-Current Characteristics 1000 1000 100H 100 100H 100 10H Inductance (H) Impedance (k) 10 1.0min 10 1.0H 1 10H 10 1.0H 1 0.1 0.01 0.01 46 0.1 1 10 Frequency (MHz) 100 1000 0.1 1 10 100 DC Current (mA) 1000 10000