6 6-89 model hm50 & hm51 ? designed for use with: ?linear technology models lt1073, lt1173 ?national semiconductor model lm2574 ?unitrode model uc2575 ? buck or boost, dc to dc power conversion ? scr and triac controls ? emi suppression ? output ripple current ?ters features and benefits ? low dcr, high current ? high saturation ?x density, optimum current handling capability ? low cost ? small size axial leads ? low temperature rise ? wound ferrite design, insulated with pvc sleeve model hm50 & hm51 miniature power inductors speci?ations subject to change without notice. last update: 03/17/03. applications electrical / environmental inductance range hm50: 3.9? to 18,000? hm51: 3.9? to 10,000? standard tolerance ?0% operating temperature range -55? to +105? insulation system class b, 130?
6-90 model hm50 & hm51 inductance rated incr part nominal (1) dc idc (2) idc (3) number ? ?0% resistance amps amps hm50-3r9k 3.9 .019 3.60 7.30 hm50-4r7k 4.7 .022 3.40 6.30 hm50-5r6k 5.6 .024 3.20 5.60 hm50-6r8k 6.8 .026 3.10 5.30 hm50-8r2k 8.2 .028 3.00 4.50 hm50-100k 10 .033 2.80 4.10 hm50-120k 12 .037 2.60 3.60 hm50-150k 15 .040 2.50 3.30 hm50-180k 18 .044 2.40 3.00 hm50-220k 22 .050 2.23 2.70 hm50-270k 27 .056 2.10 2.50 hm50-330k 33 .076 1.81 2.20 hm50-390k 39 .094 1.63 2.00 hm50-470k 47 .109 1.51 1.80 hm50-560k 56 .140 1.33 1.70 hm50-680k 68 .131 1.31 1.50 hm50-820k 82 .152 1.30 1.40 hm50-101k 100 .208 1.10 1.20 hm50-121k 120 .283 0.94 1.10 hm50-151k 150 .340 0.86 1.00 hm50-181k 180 .362 0.83 0.95 hm50-221k 220 .430 0.76 0.86 hm50-271k 270 .557 0.67 0.77 hm50-331k 330 .665 0.61 0.70 hm50-391k 390 .772 0.57 0.64 hm50-471k 470 1.15 0.47 0.59 hm50-561k 560 1.27 0.44 0.54 hm50-681k 680 1.61 0.40 0.49 hm50-821k 820 1.96 0.36 0.44 hm50-102k 1000 2.30 0.33 0.40 hm50-122k 1200 2.65 0.30 0.35 hm50-152k 1500 3.45 0.27 0.33 hm50-182k 1800 4.03 0.25 0.29 hm50-222k 2200 4.48 0.23 0.27 hm50-272k 2700 5.40 0.21 0.24 hm50-332k 3300 6.56 0.20 0.22 hm50-392k 3900 8.63 0.17 0.20 hm50-472k 4700 9.66 0.16 0.18 hm50-562k 5600 13.9 0.13 .166 hm50-682k 6800 16.3 0.12 .151 hm50-822k 8200 20.8 0.11 .136 hm50-103k 10000 26.4 0.10 .125 hm50-123k 12000 29.9 0.09 .114 specifications notes: (1) inductance measured at 1khz without dc current. (2) the rated dc current is based on an approximate 20? 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.
6 6-91 model hm50 & hm51 inductance rated incr part nominal (1) dc idc (2) idc (3) number ? ?0% resistance amps amps hm50-153k 15000 42.5 0.08 .098 hm50-183k 18000 48.3 0.07 .091 hm51-3r9k 3.9 .007 8.40 15.5 hm51-4r7k 4.7 .008 7.90 13.9 hm51-5r6k 5.6 .011 6.70 12.6 hm51-6r8k 6.8 .011 6.70 11.6 hm51-8r2k 8.2 .013 6.20 9.89 hm51-100k 10 .017 5.40 8.70 hm51-120k 12 .019 5.10 8.21 hm51-150k 15 .022 4.70 7.34 hm51-180k 18 .023 4.70 6.64 hm51-220k 22 .026 4.40 6.07 hm51-270k 27 .027 4.30 5.36 hm51-330k 33 .032 4.00 4.82 HM51-390K 39 .033 3.90 4.36 hm51-470k 47 .035 3.80 3.98 hm51-560k 56 .037 3.70 3.66 hm51-680k 68 .047 3.30 3.31 hm51-820k 82 .060 2.90 3.10 hm51-101k 100 .090 2.30 2.79 hm51-121k 120 .113 2.10 2.54 hm51-151k 150 .129 2.00 2.22 hm51-181k 180 .150 1.80 1.98 hm51-221k 220 .162 1.76 1.89 hm51-271k 270 .208 1.55 1.63 hm51-331k 330 .212 1.53 1.51 hm51-391k 390 .281 1.33 1.39 hm51-471k 470 .380 1.15 1.24 hm51-561k 560 .420 1.10 1.17 hm51-681k 680 .548 0.96 1.05 hm51-821k 820 .655 0.87 0.97 hm51-102k 1,000 .844 0.77 0.87 hm51-122k 1,200 1.04 0.70 0.79 hm51-152k 1,500 1.18 0.65 0.70 hm51-182k 1,800 1.56 0.57 0.64 hm51-222k 2,200 2.00 0.50 0.58 hm51-272k 2,700 2.06 0.50 0.53 hm51-332k 3,300 2.63 0.44 0.47 hm51-392k 3,900 2.75 0.43 0.43 hm51-472k 4,700 3.19 0.40 0.39 hm51-562k 5,600 3.92 0.36 0.359 hm51-682k 6,800 5.69 0.30 0.322 hm51-822k 8,200 6.32 0.28 0.293 hm51-103k 10,000 7.30 0.26 0.266 specifications notes: (1) inductance measured at 1khz without dc current. (2) the rated dc current is based on an approximate 20? 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.
6-92 model hm50 & hm51 #20 ga plated leads max. max. max. max. 1.25 31.75 typ. min. .295 7.50 hm50: .492 12.50 hm51: .63 16.0 hm50: .906 23.0 hm51: t yp. t yp. .984 .079 25.0 2.0 hm50: 1.26 .079 32.0 2.0 hm51: hm50 330 k model series inductance code: first 2 digits are significant. last digit denotes the number of trailing zeros. values below 10 h, "r" denotes the decimal point. inductance tolerance: j = 5% k = 10% m = 20% ordering information outline dimensions (inch/mm)
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