temperature (c) 25 75 125 175 225 275 0 50 100 150 200 250 300 time (seconds) 120 - 150 seconds 60 - 90 seconds 260c peak 190c 150c 220c ramp down 6c/second maximum <1> 255c <1> maximum of 10 seconds between +255c and +260c ramp up 3c/second maximum 10 seconds minimum rev. 02/22/05 5.30 (.209) 2.00 (.079) ref. 1.50 (.059) ref. 2.00 (.079) ref. 1.80 (.071) ref. ref. r 6r8 4.80 0.20 (.189 .008) 4.80 0.20 (.189 .008) 1.60 (.063) typ. 1.60 (.063) typ. 1.60 (.063) typ. 2.80 0.20 (.110 .008) features formerly model height of 3.0 mm max. current rating up to 3.1 a rohs compliant* applications input/output of dc/dc converters power supplies for: ? portable communication equipment ? camcorders ? lcd tvs ? car radios pm428s series - shielded smd power inductor *rohs directive 2002/95/ec jan 27, 2003 including annex. speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications general speci cations test voltage .................... 0.1 v, 100 khz re ow soldering .... 230 ?c; 50 sec max. operating temperature ............................... -40 ? to +125 ? (temperature rise included) storage temperature .. -40 ? to +125 ? resistance to soldering heat ...............................260 ? for 10 sec. materials core material ................................ferrite wire ...........................enameled copper adhesive .............................epoxy resin terminal ................................... ag/ni/sn rated current ......ind. drop of 35 % typ. at isat temperature rise ....... 30 ?c typ. at irms packaging .................. 2000 pcs. per reel *rohs compliant dimensions: mm (inches) product dimensions electrical speci cations recommended layout j.w. miller inductance 100 khz test srf dcr q frequency typ. max. irms isat bourns part no. (?) tol. % ref. (mhz) (mhz) (m ) (a) (a) pm428s-1r2-rc 1.2 ?0 9.34 7.96 176 20 3.10 2.56 pm428s-1r8-rc 1.8 ?0 9.18 7.96 146 25 2.70 2.20 pm428s-2r2-rc 2.2 ?0 9.24 7.96 111 28 2.50 2.05 pm428s-2r7-rc 2.7 ?0 8.64 7.96 92 30 2.35 1.80 pm428s-3r3-rc 3.3 ?0 7.72 7.96 76 35 2.15 1.65 pm428s-3r9-rc 3.9 ?0 8.58 7.96 56 60 1.72 1.50 pm428s-4r7-rc 4.7 ?0 8.12 7.96 55 70 1.55 1.30 pm428s-5r6-rc 5.6 ?0 9.56 7.96 69 85 1.38 1.20 pm428s-6r8-rc 6.8 ?0 9.624 7.96 77 90 1.30 1.15 pm428s-8r2-rc 8.2 ?0 8.24 7.96 45 100 1.25 1.05 pm428s-100-rc 10 ?0 11.26 2.52 34 110 1.19 1.00 pm428s-120-rc 12 ?0 11.26 2.52 25 125 1.12 0.85 pm428s-150-rc 15 ?0 9.66 2.52 27 150 1.03 0.78 pm428s-180-rc 18 ?0 11.64 2.52 25 160 0.98 0.75 pm428s-220-rc 22 ?0 8.26 2.52 23 185 0.93 0.72 pm428s-270-rc 27 ?0 10.76 2.52 18 200 0.89 0.60 PM428S-330-RC 33 ?0 9.7 2.52 16 230 0.82 0.58 pm428s-390-rc 39 ?0 9.74 2.52 14 250 0.80 0.50 pm428s-470-rc 47 ?0 10.88 2.52 13 280 0.75 0.48 pm428s-560-rc 56 ?0 9 2.52 13 320 0.70 0.41 pm428s-680-rc 68 ?0 8.42 2.52 11 400 0.63 0.36 pm428s-820-rc 82 ?0 8.6 2.52 8 520 0.56 0.32 pm428s-101-rc 100 ?0 8.78 0.796 9 600 0.51 0.30 pm428s-121-rc 120 ?0 13.32 0.796 8 700 0.47 0.28 pm428s-151-rc 150 ?0 11.72 0.796 6 860 0.42 0.26 pm428s-181-rc 180 ?0 13.86 0.796 7 1000 0.39 0.23 soldering pro le
start end 4.0 (.157) 8.0 (.315) 200 (7.87) no component no component components 400 (15.75) user direction of feed 6r8 6r8 6r8 6r8 speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications pm428s series - shielded smd power inductor inductance vs. current rev. 03/11 qty: 2000 pcs. per reel dimensions: mm (inches) packaging speci cations 10 1 23 5710 2 23 57 dc current (ma) inductance ( h) 10 3 10 4 23 57 10 0 7 10 1 7 5 3 2 10 2 7 5 3 2 7 5 3 2 1r2 100 4r7 330 151 561 electrical schematic lcr meter 14.0 + 0 (.551 + 0) 16.5 (.650) 2.0 0.5 (.079 .020) 50.0 - 0 (1.969 - 0) 178.0 (7.00) dia. 13.0 (.511) dia. 13.0 (.511) dia. 21.0 0.8 (.827 .032)
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