RoHS LRHQ20 Low Resistance High Q Chip Inductors Dimensions: Allied Part Number Features • Miniture chip inductor wound on special ferrite core • Wide inductance range • Low DC resistance • High Q value at high frequencies Electrical Inductance Range: 0.1µh ~ 560µh Tolerance: 20% over entire range also available in tighter tolerances Operating Temp: -25ºC ~ +85ºC Rated Current: Max temperature rise 35ºC. Inductance drop 10% typ. L/Q: Test OSC @ 1V Resistance to Soldering Heat Pre-Heat 150ºC, 1 minute. Solder Composition: Sn/Ag3.0/Cu0.5 Solder Temp: 260ºC ± 5ºC for 10 sec. Test Equipment (L): HP4285A @ 1Mhz, HP4192A @ 1Khz (Q): HP4285A (RDC): Chen Hwa 502BC Rated Current: HP4284A + HP42841A (SRF): HP4286A Physical Packaging: 2000 pieces per 7 inch reel. Marking: EIA Inductance Code Inductance Tolerance (µh) (%) LRHQ20-R10M-RC LRHQ20-R18M-RC LRHQ20-R27M-RC LRHQ20-R39M-RC LRHQ20-R56M-RC LRHQ20-R68M-RC LRHQ20-R82M-RC LRHQ20-1R0M-RC LRHQ20-1R2M-RC LRHQ20-1R5M-RC LRHQ20-1R8M-RC LRHQ20-2R2M-RC LRHQ20-2R7M-RC LRHQ20-3R3M-RC LRHQ20-3R9M-RC LRHQ20-4R7M-RC LRHQ20-5R6M-RC LRHQ20-6R8M-RC LRHQ20-8R2M-RC LRHQ20-100K-RC LRHQ20-120K-RC LRHQ20-150K-RC LRHQ20-180K-RC LRHQ20-220K-RC LRHQ20-270K-RC 0.10 0.18 0.27 0.39 0.56 0.68 0.82 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 LRHQ20-330K-RC LRHQ20-390K-RC LRHQ20-470K-RC LRHQ20-560K-RC 33 39 47 56 LRHQ20-680K-RC LRHQ20-820K-RC 68 82 100 120 150 180 220 270 330 390 470 560 LRHQ20-101K-RC LRHQ20-121K-RC LRHQ20-151K-RC LRHQ20-181K-RC LRHQ20-221K-RC LRHQ20-271K-RC LRHQ20-331K-RC LRHQ20-391K-RC LRHQ20-471K-RC LRHQ20-561K-RC Inches (mm) Q Min. L/Q Test Freq. SRF Min. (MHz) DCR Max. (Ω) Rated Current (A) 20 20 25 25 30 30 30 20 20 20 20 20 20 35 35 35 35 35 35 40 40 40 40 1MHz/25.2MHz 1MHz/25.2MHz 1MHz/25.2MHz 1MHz/25.2MHz 1MHz/25.2MHz 1MHz/25.2MHz 1MHz/25.2MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 200 200 200 200 160 160 120 100 100 75 60 50 43 38 35 31 28 25 23 20 18 16 15 14 13 .025 0.25 0.25 0.25 0.25 0.25 0.25 0.50 0.60 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.50 1.60 1.80 2.00 2.20 2.50 2.80 3.10 0.70 0.65 0.60 0.53 0.53 0.47 0.45 .445 .425 0.40 0.39 0.37 0.32 0.30 0.29 0.27 0.25 0.24 .225 0.19 0.18 0.17 .165 .150 1.25 12 11 11 10 3.50 3.90 4.30 4.90 .115 .110 .100 .085 20 20 20 20 20 20 20 20 20 20 20 20 20 10 10 10 10 10 10 10 10 10 10 40 40 40 40 40 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 40 40 40 40 40 40 40 40 40 50 50 50 1MHz/1MHz 1MHz/1MHz 9 8.5 5.50 6.20 .080 .070 1MHz/796KHz 1MHz/796KHz 1MHz/796KHz 1MHz/796KHz 1MHZ/796KHz 1MHz/796KHz 1MHz/796KHz 1MHz/796KHz 1MHz/796KHz 1MHz/796KHz 8.0 7.5 7.0 6.0 5.5 5.0 5.0 5.0 5.0 5.0 7.00 8.00 9.30 10.2 11.8 12.5 13.0 22.0 25.0 28.0 .080 .075 .070 .065 .065 .065 .065 .050 .045 .040 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz 1MHz/1MHz All specifications subject to change without notice. 714-665-1140 ALLIED COMPONENTS INTERNATIONAL REVISED 03/19/09 www.alliedcomponents.com