SURFACE MOUNT INDUCTORS CHIP INDUCTORS LQH1C/3C/4C Series 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. PART NUMBERING SYSTEM LQH TYPE LQH: With Coating SIZE 1: 3.2 x 1.6 (1206) 3: 3.2 x 2.5 (1210) 4: 4.5 x 3.2 (1812) 3 C 1R0 CHOKE APPLICATION INDUCTANCE R12: 0.12H 1R0: 1.0H M 34 TOLERANCE K: 10% M: 20% M00 ELECTRODE CHARACTERISTICS 04/24/34: Nickel & Solder UNMARKED SPECIFICATIONS Part Number Dimensions: mm 1206 2.3 0.2 1.6 0.2 Inductance Self-resonant Frequency ___________________________________ _____________________ DC Allowable Nominal Tolerance Measurement Resistance Min. Value Current (mA) Typical (Ohms) Value (H) (%) Frequency (MHz) LQH1CR12M04 0.12 ________________________ LQH1CR22M04 0.22 ________________________ 1.8 0.2 LQH1CR47M04 0.47 ________________________ LQH1C1R0M04 1.0 ________________________ 0.08 40% 900 250 970 ____________________________________________ 0.10 40% 570 250 850 ____________________________________________ 1.6 0.2 LQH1C100K04 10 ________________________ LQH1C220K04 22 ________________________ LQH1C470K04 47 ________________________ LQH1C101K04 100 0.7 0.7 0.7 min. min. min. LQH3C1R0M34 1.0 ________________________ LQH3C2R2M34 2.2 ________________________ 1210 0.15 40% 310 180 700 ____________________________________________ 0.28 30% 190 100 510 ____________________________________________ 20 LQH1C2R2M04 2.2 ________________________ LQH1C4R7M04 4.7 __________________________________ 3.2 0.3 1MHz 2.0 0.2 2.5 0.2 10 3.2 0.3 0.09 30% 150 96 800 ____________________________________________ 0.13 30% 100 64 600 ____________________________________________ 20 0.20 30% 66 43 450 ____________________________________________ 0.44 30% 40 26 300 ____________________________________________ 1MHz 0.71 30% 27 19 250 ____________________________________________ 1.3 30% 19 15 170 ____________________________________________ 3.5 30% 13 10 100 ____________________________________________ 8.4 30% 8.5 6.8 70 ____________________________________________ 10 -25C ~ +85C LQH3C331K34 330 ________________________ LQH3C391K34 390 ________________________ 10.0 30% 7.0 5.6 ________________________________ 17.0 30% 6.6 __________________________________ 60 LQH3C471K34 470 19.0 30% 6.2 5.0 ________________________ _____________________ 1kHz LQH3C561K34 560 22.0 30% 5.7 _______________________________________________________________________________________________________ 2.5 0.2 -25C ~ +85C 8.0 30% 18 10 100 ____________________________________________ 12.0 30% 12 7 80 LQH3C220K34 22 ________________________ LQH3C470K34 47 ________________________ LQH3C101K34 100 ________________________ LQH3C221K34 220 ________________________ 0.41 30% 110 50 430 ____________________________________________ 0.65 30% 67 31 340 ____________________________________________ 1.3 30% 42 20 230 ____________________________________________ 3.0 30% 26 14 160 ____________________________________________ LQH3C4R7M34 4.7 _________________________________ LQH3C100K34 10 ________________________ 2.5 0.2 Operating Temp. Range LQH3CR15M24 0.15 ________________________ LQH3CR27M24 0.27 ________________________ LQH3C...M34 0.9 .3 1.3 .2 0.9 .3 LQH3C...M24 0.7 min. 0.7 min. 0.7 min. LQH3CR47M24 0.47 ________________________ LQH3C1R0M24 1.0 ________________________ 20 LQH3C2R2M24 2.2 ________________________ LQH3C4R7M24 4.7 _________________________________ LQH3C100K24 10 10 1MHz 0.042 30% 300 150 1100 ___________________________________________ 0.060 30% 200 100 1000 ___________________________________________ -25C ~ 0.097 30% 120 64 790 ___________________________________________ 0.15 30% 77 43 650 ___________________________________________ +85C 0.30 30% 50 26 SURFACE MOUNT INDUCTORS Part Number 0.028 30% 650 400 1450 ___________________________________________ 0.034 30% 450 250 1250 ___________________________________________ 450 Available as standard through authorized Murata Electronics Distributors. CG01-J 233 SURFACE MOUNT INDUCTORS CHIP INDUCTORS LQH1C/3C/4C Series SPECIFICATIONS Dimensions: mm 1812 3.6 0.2 2.6 0.2 3.2 0.2 4.5 0.3 3.2 0.2 3.2 0.2 1.0 min. 1.0 min. 1.0 min. Inductance Tolerance (%) DC Resistance (Ohms max.) Self-resonant Frequency (MHz min.) Allowable Current (mA) Part Number Nominal Value (H) LQH4C1R0M04 1.0 0.08 100 1080 LQH4C1R5M04 1.5 0.09 85 1000 LQH4C2R2M04 2.2 LQH4C3R3M04 3.3 LQH4C4R7M04 LQH4C6R8M04 Test Frequency 0.11 60 900 0.13 47 800 4.7 0.15 35 750 6.8 0.20 30 720 650 20 LQH4C100K04 10 0.24 23 LQH4C150K04 15 0.32 20 570 LQH4C220K04 22 0.6 15 420 LQH4C330K04 33 1.0 12 310 LQH4C470K04 47 1.1 10 280 LQH4C680K04 68 LQH4C101K04 1MHz 10 1.7 8.4 220 100 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 8.5 3.0 90 1kHz Operating Temperature Range -25C ~ +85C Available as standard through authorized Murata Electronics Distributors. TYPICAL ELECTRICAL CHARACTERISTICS IMPEDANCE-FREQUENCY CHARACTERISTICS LQH1C Series DIRECT CURRENT CHARACTERISTICS LQH1C Series 500 100 100H 10H 10 1.0H 1 Inductance (H) Impedance (kohm) 1000 100H 100 10H 10 0.1 1.0H 1 0.01 0.01 0.1 1 10 100 1000 5 10 Frequency (MHz) LQH3C Series 100 500 LQH3C Series 1000 1000 100 100H 10H 10 1.0H 1 Inductance (H) Impedance (kohm) 50 DC Current (mA) 100H 100 10H 10 1.0H 1 0.1 0.01 0.01 0.1 0.1 1 10 100 1000 10 1 Frequency (MHz) LQH4C Series 100 10H 10 1.0H 1 Inductance (H) Impedance (kohm) 1000 100H 0.1 100H 100 10H 10 1.0H 1 0.1 0.1 1 10 Frequency (MHz) 234 1000 LQH4C Series 1000 0.01 0.01 100 DC Current (mA) 100 1000 1 10 100 1000 10000 DC Current (mA) CG01-J