#822LY-471K Murata

TYPE Fixed Inductors 8RHB2 8RHB2 DIMENSIONS / (Unit : mm) FEATURES / Ideal as a choke coil for noise filtering and DC/DC convertor application. Lead-free part available. Note : Taped form is type 8RHT2 spec. () TYPE 8RHT2 Available with or without heat shrunk plastic housing. ELECTRICAL CHARACTERISTICS / Inductance range : 1.0 1000H 1.0 1000H CAUTION / 1. Please be sure that you carefully discuss your planned purchase with our sales division if you intend to use the products in this catalog for applications where extremely high reliability is required or if you intend to use products for applications other than those listed in this catalog. 2. Note that the contents of this catalog are subject to change without notice. When placing your order, please confirm the specifications and delivery conditions. 1. 2. TYPE Fixed Inductors 8RHB2 8RHB2 SELECTION GUIDE FOR STANDARD COILS / (1) (4) (3) (5) (2) TOKO DC Rated Self-resonant Inductance (1) Tolerance Part Resistance (4) DC Current (2) Frequency (3) (5) (%) (H) Number () max. (A) max. (MHz) min. 822LY-1R0M 1.0 20 0.013 3.71 (10.0) 150 822LY-1R5M 1.5 20 0.016 3.32 (8.5) 130 822LY-2R2M 2.2 20 0.021 3.15 (6.5) 100 822LY-3R3M 3.3 20 0.025 2.66 (5.5) 79 822LY-4R7M 4.7 20 0.030 2.27 (4.3) 51 822LY-6R8M 6.8 20 0.035 2.10 (3.7) 29 822LY-100K 10 10 0.045 1.96 (3.0) 14 822LY-120K 12 10 0.050 1.82 (2.6) 13 822LY-150K 15 10 0.056 1.75 (2.3) 12 822LY-180K 18 10 0.061 1.54 (2.2) 11 822LY-220K 22 10 0.070 1.29 (2.0) 9.2 822LY-270K 27 10 0.080 1.22 (1.7) 8.5 822LY-330K 33 10 0.090 1.17 (1.6) 7.8 822LY-390K 39 10 0.10 1.14 (1.5) 6.9 822LY-470K 47 10 0.17 0.79 (1.4) 6.5 822LY-560K 56 10 0.20 0.76 (1.3) 5.4 822LY-680K 68 10 0.22 0.70 (1.2) 4.9 822LY-820K 82 10 0.25 0.67 (1.1) 4.1 822LY-101K 100 10 0.28 0.58 (0.91) 3.7 822LY-121K 120 10 0.32 0.56 (0.84) 3.4 822LY-151K 150 10 0.54 0.42 (0.75) 3.2 822LY-181K 180 10 0.60 0.40 (0.69) 2.8 822LY-221K 220 10 0.68 0.38 (0.64) 2.7 822LY-271K 270 10 0.80 0.35 (0.57) 2.4 822LY-331K 330 10 0.90 0.33 (0.54) 2.3 822LY-391K 390 10 1.20 0.28 (0.48) 2.1 822LY-471K 470 10 1.37 0.25 (0.46) 1.9 822LY-561K 560 10 1.53 0.23 (0.41) 1.8 822LY-681K 680 10 2.00 0.21 (0.38) 1.6 822LY-821K 820 10 2.70 0.18 (0.35) 1.5 822LY-102K 1000 10 2.96 0.16 (0.29) 1.3 (1) Inductance is measured with a LCR meter 4284A * or (1) LCR 4284A * equivalent. (2) (2) Maximum allowable DC current is that which causes a 10 10% inductance reduction from the initial value, or coil 20 20 temperature to rise by 20C, whichever is smaller. (Reference ambient temperature 20C) ( ) (3) Self resonant frequency is measured with a network analyzer model 3577 * , MS560J (Anritsu), or equivalent. (3) 3577 * MS560J (4) DC resistance is measured with a digital multimeter Anritsu TR6871 (Advantest) or equibalent. (4) TR6871Advantest (5) Self resonant frequency is for reference only. (5) * Agilent Technologies