2 toko fixed inductors type 8rytl type 8rytl frequency range: 1~200khz inductance range: 1.2~1000h features ideal as a choke coil for noise filtering and dc/dc converter application. tape and reel for automated assembly. selection guide for standard coils type 8rytl toko part number inductance l (h) dc resistance ( ? ) max. rated dc current (a) max. self-resonant frequency (mhz) min. a7019lyf-1r2m=r 1.2 20% 0.020 3.3 150 a7019lyf-1r8m=r 1.8 20% 0.022 2.7 105 a7019lyf-2r2m=r 2.2 20% 0.024 2.4 65 a7019lyf-3r0m=r 3.0 20% 0.028 2.1 35 a7019lyf-4r7m=r 4.7 20% 0.035 2.0 31 a7019lyf-6r8m=r 6.8 20% 0.04 1.7 24 a7019lyf-100k=r 10 10% 0.07 1.4 21 a7019lyf-120k=r 12 10% 0.08 1.1 17 a7019lyf-150k=r 15 10% 0.09 1.0 16 a7019lyf-180k=r 18 10% 0.10 0.96 15 a7019lyf-220k=r 22 10% 0.11 0.90 12 a7019lyf-270k=r 27 10% 0.13 0.82 11 a7019lyf-330k=r 33 10% 0.15 0.78 10 a7019lyf-390k=r 39 10% 0.17 0.76 9.5 a7019lyf-470k=r 47 10% 0.25 0.70 8.0 a7019lyf-560k=r 56 10% 0.29 0.60 7.5 a7019lyf-680k=r 68 10% 0.32 0.54 7.0 a7019lyf-820k=r 82 10% 0.37 0.52 6.4 a7019lyf-101k=r 100 10% 0.43 0.51 6.1 a7019lyf-121k=r 120 10% 0.49 0.47 5.4 a7019lyf-151k=r 150 10% 0.66 0.39 4.6 a7019lyf-181k=r 180 10% 0.76 0.37 4.4 a7019lyf-221k=r 220 10% 1.0 0.31 4.2 a7019lyf-271k=r 270 10% 1.2 0.29 3.5 a7019lyf-331k=r 330 10% 1.5 0.25 2.9 a7019lyf-391k=r 390 10% 1.7 0.23 2.8 a7019lyf-471k=r 470 10% 1.9 0.20 2.6 a7019lyf-561k=r 560 10% 2.6 0.18 2.4 a7019lyf-681k=r 680 10% 3.0 0.17 2.1 a7019lyf-821k=r 820 10% 3.2 0.15 1.8 a7019lyf-102k=r 1000 10% 3.5 0.14 1.6 (1) inductance is measured at f=1khz, vosc=1v on lcr meter hp4284a or equivalent. (2) the rated dc current is that which the inductance value decreases 10% by the excitation of dc current. (3) self-resonant frequency is measured with network analyzer 3577a(hp), ms560j(anritsu) or equivalent. (4) dc resistance is measured with digital multimeter tr6871(advantest) or equivalent. 2 8 . 6 m a x + 2 . 0 - 0 1 8 . 0 1 1 . 0 m a x adhesive tape 01.0 12.71.0 6.351.3 9 . 0 0 . 5 5.0 3.850.7 +0.8 -0.5 * 12.70.3 ?4.00.3 0 . 7 0 . 2 main tape 1 2 . 5 m i n 1 8 . 0 marking of winding start (unit: mm)
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