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| *rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. inductance vs. dc superposition characteristics 10.0 6.0 8.0 4.0 2.0 02.55 dc current (a) inductance ( h) 7.5 10 8r8 7r2 5r7 4r3 3r2 3.0 2.0 1.0 0.0 01020 dc current (a) inductance ( h) 30 40 2r2 1r4 r80 r36 *rohs compliant srp1055 series - shielded power inductors features shielded construction unit height of 5.5 mm inductance range: 0.36 h to 8.8 h current up to 28 a lead free rohs compliant* applications input/output of dc/dc converters power supplies for: portable communications equipment camcorders lcd tvs car audio systems electrical specifications product dimensions 1r4 9.35 0.30 (0.368 0.012) 1.4 (0.055) 10.0 (0.394) 1.00 (0.039) 2.8 (0.110) 2.0 (0.079) 2.0 (0.079) 3.0 (0.118) 3.0 (0.118) 3.0 (0.118) 3.0 (0.118) 1.50 (0.059) 2.10 (0.083) 6.0 (0.236) 6.0 (0.236) 11.00 0.30 (0.422 0.012) typ. typ. typ. typ. typ. 5.8 (.228) 5.50 0.30 (0.216 0.012) general specifications test voltage........................................1 v test frequency ..........................100 khz reflow soldering .....230 ?c; 50 sec max. operating temperature ..-55 ? to +150 ? (temperature rise included) storage temperature..-55 ? to +150 ? resistance to soldering heat ..............................+260 ? for 10 sec. materials core .........................................ferrite er wire .............................enameled copper terminal.....................................cu/ni/sn rated current....... ind. drops 25 % at i sat temperature rise..........40 ?c at rated i rms packaging .......300 pcs. per 13-inch reel recommended layout electrical schematic inductance i rms i sat dcr bourns part no. l ( h) (a) (a) (m ? ? ) max. srp1055-r36y 0.36 30 % 28.0 26.0 1.7 srp1055-r80m 0.80 20 % 20.0 18.0 2.5 srp1055-1r4m 1.40 20 % 16.0 14.0 3.2 srp1055-2r2m 2.20 20 % 12.0 10.0 5.8 SRP1055-3R2M 3.20 20 % 11.0 9.0 7.2 srp1055-4r3m 4.30 20 % 10.0 8.0 8.5 srp1055-5r7m 5.70 20 % 7.6 7.0 13.2 srp1055-7r2m 7.20 20 % 7.0 6.2 15.5 srp1055-8r8m 8.80 20 % 6.0 5.6 17.2 *rohs compliant dimensions: mm (inches)
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. rev. 10/06 srp1055 series - shielded power inductors packaging specifications 26.0 + 0 (1.024 +0) 2.0 0.5 (.079 .020) 50.0 - 0 (1.969 -0) 330.0 (13.00) dia. 13.0 0.5 (.512 .020) dia. 13.0 0.5 (.512 .020) dia. 21.0 0.8 (.827 .031) embossed carrier embossed cavity 0.10 (.004) thickness max. dimensions: mm (inches) 4.0 (0.157) 16.0 (0.629) end start user direction of feed 160 (6.299) no component min. min. no component components 400 (15.748) 1r4 1r4 1r4 1r4 soldering profile 25 75 125 175 225 275 0 50 100 150 200 250 300 time (seconds) temperature (c) 120-150 seconds 60 seconds maximum 260 c peak 190c 150 c 220 c ramp down 5 c/second <1> 255 c <1> maximum of 10 seconds between +255 c and +260 c ramp up 4 c/second maximum 10 seconds minimum |
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