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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. *rohs compliant srp1280 series - shielded power inductors features shielded construction unit height of 8.0 mm inductance range: 0.15 h to 0.44 h current up to 50 a lead free rohs compliant* electrical specifications product dimensions r26 13.46 (0.530) max. max. max. 8.0 (0.315) 5.0 0.5 (0.197 0.020) 12.95 (.510) 2.54 0.5 (0.100 0.020) general specifications test voltage.....................................0.1 v test frequency ..........................500 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 wire .............................enameled copper terminal .........................................cu/sn rated current....... ind. drops 20 % at i sat temperature rise..........40 ?c at rated i rms packaging .......400 pcs. per 13-inch reel recommended layout electrical schematic inductance test frequency i rms i sat dcr bourns part no. l ( h) (hz) (a) max. (a) max. (m ? ) max. srp1280-r15y 0.15 30 % 0.1 v / 500k 50 55 0.60 srp1280-r21m 0.21 20 % 0.1 v / 500k 45 50 0.60 SRP1280-R26M 0.26 20 % 0.1 v / 500k 40 45 0.60 srp1280-r32m 0.32 20 % 0.1 v / 500k 40 41 0.60 srp1280-r44m 0.44 20 % 0.1 v / 500k 28 30 0.60 *rohs compliant 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4 c/second maximum 10 seconds minimum dimensions: mm (inches) 13.6 (0.535) 7.1 (0.280) 7.6 (0.299) the srp1280 series is obsolete and not recommended for new designs. obsolete
applications input/output of dc/dc converters power supplies for: portable communications equipment camcorders lcd tvs car audio systems specifications are subject to change without notice. customers should verify actual device performance in their specific applications. srp1280 series - shielded power inductors l vs. i charts 0 05 10 15 20 25 30 35 40 45 50 55 0.5 0.4 0.3 0.2 0.1 0.6 0 10 20 30 40 50 60 inductance ( h) dc current (a) srp1280-r15m temperature rise (c) 0 05 10 15 20 25 30 35 40 45 50 0.5 0.4 0.3 0.2 0.1 0.6 0 10 20 30 40 50 60 inductance ( h) dc current (a) srp1280-r21m temperature rise (c) 0 05 10 15 20 25 30 35 40 45 50 0.5 0.4 0.3 0.2 0.1 0.6 0 10 20 30 40 50 60 inductance ( h) dc current (a) SRP1280-R26M temperature rise (c) 0 05 10 15 20 25 30 35 40 45 0.5 0.4 0.3 0.2 0.1 0.6 0 10 20 30 40 50 60 inductance ( h) dc current (a) srp1280-r32m temperature rise (c) 0 07 14 21 28 35 0.56 0.42 0.28 0.14 0.7 0 8 16 24 32 40 inductance ( h) dc current (a) srp1280-r44m temperature rise (c) rev. 08/08 packaging specifications 24.0 C 0.5 (0.95 C 0.020) 2.0 0.5 (.079 .020) 75.0 C 2.0 (2.96 C 0.08) 330.0 (13.00) dia. 13.5 0.5 (.53 .020) dia. 13.5 0.5 (0.53 .020) dia. embossed carrier embossed cavity 0.10 (.004) thickness max. dimensions: mm (inches) 1.5 0.1 (0.059 0.004) 0.15 (0.0006) 2.0 0.1 (0.079 0.004) 4.0 0.1 (0.157 0.004) dia. dia. 0.35 0.05 (0.014 0.020) 8.2 0.1 (0.323 0.004) 13.05 0.1 (0.514 0.004) 16.0 0.1 (0.629 0.004) 13.05 0.1 (0.514 0.004) 24.0 0.3 (0.95 0.012) 1.75 0.1 (.069 0.004) 10.5 0.3 (.413 0.012) obsolete |
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