tel. (877) 426-8767 ? fax (951) 781-5006 www.bourns.com 10.2 smt high current toroid inductors special features ? dc/dc converter, emi ? lter applications ? low radiation ? low core loss ? high current capacity ? ideal for re? ow soldering ? low cost ? operating temperature -55 to +105 c notes * current to cause 30 c max. temperature rise pm2120 series part number l (h) @ 1 khz 20 % idc* (a) l (h) @ rated i 20 % dcr (?) max. dim. a max. pm2120-1r0m-rc 1.0 25.4 0.9 0.002 0.82 pm2120-1r2m-rc 1.2 25.4 1.1 0.002 0.82 pm2120-1r5m-rc 1.5 22.0 1.3 0.003 0.82 pm2120-1r8m-rc 1.8 22.0 1.5 0.003 0.82 pm2120-2r2m-rc 2.2 19.7 1.8 0.003 0.82 pm2120-2r7m-rc 2.7 19.7 2.2 0.003 0.82 pm2120-3r3m-rc 3.3 18.0 2.6 0.004 0.82 pm2120-3r9m-rc 3.9 18.0 3.1 0.004 0.82 pm2120-4r7m-rc 4.7 16.6 3.7 0.005 0.82 pm2120-5r6m-rc 5.6 15.6 4.2 0.005 0.82 pm2120-6r8m-rc 6.8 14.7 5.0 0.006 0.82 pm2120-8r2m-rc 8.2 14.7 6.1 0.006 0.82 10 % 10 % pm2120-100k-rc 10 13.9 7.2 0.007 0.82 pm2120-120k-rc 12 12.7 8.3 0.008 0.82 pm2120-150k-rc 15 12.2 10.2 0.009 0.82 pm2120-180k-rc 18 11.8 12.0 0.009 0.82 pm2120-220k-rc 22 11.0 14.2 0.011 0.82 pm2120-270k-rc 27 10.4 16.9 0.012 0.82 pm2120-330k-rc 33 10.1 20.3 0.013 0.82 pm2120-390k-rc 39 9.6 23.3 0.014 0.82 pm2120-470k-rc 47 8.2 29.2 0.019 0.79 pm2120-560k-rc 56 7.9 33.9 0.021 0.79 pm2120-680k-rc 68 6.7 42.2 0.029 0.77 pm2120-820k-rc 82 6.4 49.5 0.032 0.87 pm2120-101k-rc 100 6.1 58.7 0.035 0.87 pm2120-121k-rc 120 5.8 68.1 0.039 0.87 pm2120-151k-rc 150 5.5 82.5 0.043 0.87 pm2120-181k-rc 180 5.3 96.2 0.047 0.83 pm2120-221k-rc 220 5.0 113.7 0.052 0.83 pm2120-271k-rc 270 4.2 144.5 0.072 0.80 pm2120-331k-rc 330 3.6 183.4 0.100 0.78 pm2120-391k-rc 390 3.5 211.6 0.108 0.78 pm2120-471k-rc 470 3.3 247.1 0.119 0.85 pm2120-561k-rc 560 3.2 285.8 0.130 0.85 pm2120-681k-rc 680 3.0 336.3 0.142 0.85 PM2120-821K-rc 820 2.9 392.5 0.157 0.85 pm2120-102k-rc 1000 2.5 499.7 0.215 0.82 available only as rohs compliant beginning july 2007. when ordering non-rohs compliant versions before july 2007, do not include the -rc su? x in the part number. a 1.20 1.00 max. 0.20 0.70 0.90 pad layout dimensions: inches rev. 02/07
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