2007/08 edition magnetic components selector guide we reserve the right to change specifications without prior notice www.bitechnologies.com 23 hm51-221k lf 220 .162 1.76 1.89 hm51-271k lf 270 .208 1.55 1.63 hm51-331k lf 330 .212 1.53 1.51 hm51-391k lf 390 .281 1.33 1.39 hm51-471k lf 470 .380 1.15 1.24 hm51-561k lf 560 .420 1.10 1.17 hm51-681k lf 680 .548 0.96 1.05 hm51-821k lf 820 .655 0.87 0.97 hm51-102k lf 1,000 .844 0.77 0.87 hm51-122k lf 1,200 1.04 0.70 0.79 hm51-152k lf 1,500 1.18 0.65 0.70 hm51-182k lf 1,800 1.56 0.57 0.64 hm51-222k lf 2,200 2.00 0.50 0.58 hm51-272k lf 2,700 2.06 0.50 0.53 hm51-332k lf 3,300 2.63 0.44 0.47 hm51-392k lf 3,900 2.75 0.43 0.43 hm51-472k lf 4,700 3.19 0.40 0.39 hm51-562k lf 5,600 3.92 0.36 0.359 hm51-682k lf 6,800 5.69 0.30 0.322 hm51-822k lf 8,200 6.32 0.28 0.293 hm51-103k lf 10,000 7.30 0.26 0.266 outline dimensions (inch / mm) notes: (1) inductance is measured at 1khz without dc current. (2) the rated dc current is based on an approximate 20c temperature rise. (3) the incremental current (incr i) is the approximate current at which the inductance will be decreased by 5% from its initial (zero dc) value due to saturation. specifications @ 25 c inductance dc rated incr part nominal (1) resistance idc (2) idc (3) number h 10% ? amps amps inductance dc rated incr part nominal (1) resistance idc (2) idc (3) number h 10% ? amps amps 0.906 23.0 1.260.079 32.02.0 0.492 12.50 max. ? in ductance range 3.9 h to 10,000 h ? standard tolerance 10% ? operating temperature range -55c to +105 c axially leaded miniature power inductors electrical / environmental inductance code: first 2 digits are signi?cant. last digit denotes the number of trailing zeros. for values below 10 h, r denotes the decimal point. inductance tolerance: j = 5% k = 10% m = 20% model series hm5 1 330 k lf lead free packaging capacity = 8 00 units standard : boxes rohs compliant ordering information hm51-3r9klf 3.9 .007 8.40 15.5 hm51-4r7klf 4.7 .008 7.90 13.9 hm51-5r6klf 5.6 .011 6.70 12.6 hm51-6r8klf 6.8 .011 6.70 11.6 hm51-8r2klf 8.2 .013 6.20 9.89 hm51-100klf 10 .017 5.40 8.70 hm51-120klf 12 .019 5.10 8.21 hm51-150klf 15 .022 4.70 7.34 hm51-180klf 18 .023 4.70 6.64 hm51-220klf 22 .026 4.40 6.07 hm51-270klf 27 .027 4.30 5.36 hm51-330klf 33 .032 4.00 4.82 hm51-390klf 39 .033 3.90 4.36 hm51-470klf 47 .035 3.80 3.98 hm51-560klf 56 .037 3.70 3.66 hm51-680klf 68 .047 3.30 3.31 hm51-820klf 82 .060 2.90 3.10 hm51-101klf 100 .090 2.30 2.79 hm51-121klf 120 .113 2.10 2.54 hm51-151klf 150 .129 2.00 2.22 hm51-181k lf 180 .150 1.80 1.98 ????
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