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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 srp1250 series - shielded power inductors features shielded construction unit height of 5.9 mm inductance range: 0.22 h to 10 h current up to 45 a 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 1r5 15.0 (0.591) 12.7 0.3 (0.500 0.012) 12.7 0.3 (0.500 0.012) 13.9 (0.547) max. max. 2.5 0.5 (0.098 0.020) 3.0 0.5 (0.118 0.020) 4.5 (.177) 13.5 (0.531) max. 7.0 (.276) 5.2 (.205) max. 5.9 (.232) general specifications test voltage...................................0.25 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...................................................iron wire .............................enameled copper terminal .........................................cu/sn rated current....... ind. drops 20 % at i sat temperature rise..........40 ?c at rated i rms packaging .......500 pcs. per 13-inch reel recommended layout electrical schematic inductance i rms i sat dcr bourns part no. l ( h) ?20 % (a) (a) (m ? ) max. srp1250-r22m 0.22 45 80 1.0 srp1250-r36m 0.36 41 75 1.1 srp1250-r47m 0.47 38 65 1.3 srp1250-r50m 0.50 36 55 1.5 SRP1250-R56M 0.56 36 55 1.5 srp1250-r68m 0.68 34 54 1.7 srp1250-r82m 0.82 31 53 2.3 srp1250-1r0m 1.00 29 50 2.5 srp1250-1r2m 1.20 27 49 3.3 srp1250-1r5m 1.50 23 48 4.1 srp1250-1r8m 1.80 21 40 4.7 srp1250-2r2m 2.20 20 32 5.5 srp1250-2r7m 2.70 17 32 7.3 srp1250-3r3m 3.30 15 32 9.2 srp1250-4r7m 4.70 12 27 15.0 srp1250-6r0m 6.00 9.5 14 10.0 srp1250-6r8m 6.80 11 21 18.5 srp1250-7r8m 7.80 10 18 20.5 srp1250-9r0m 9.00 10 18 22.5 srp1250-100m 10.0 9 16 25.5 *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)
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. srp1250 series - shielded power inductors l vs. i charts 0 0 5 10 15 20 25 30 35 40 45 50 55 60 0.06 0.12 0.18 0.24 0.30 0.36 0.42 0.48 0.54 0.60 0 11 22 33 44 55 66 77 88 99 110 inductance ( h) dc current (a) srp1250-r36m srp1250-r22m temperature rise (c) 0 0 5 10 15 20 25 30 40 45 50 55 60 0.06 0.12 0.18 0.24 0.30 0.36 0.42 0.48 0.54 0.60 0 11 22 33 44 55 66 77 88 99 110 inductance ( h) dc current (a) srp1250-r50m temperature rise (c) 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 0.06 0.12 0.18 0.24 0.30 0.36 0.42 0.48 0.54 0.60 0 11 22 33 44 55 66 77 88 99 110 inductance ( h) dc current (a) srp1250-r47m temperature rise (c) 0 0 5 10 15 20 25 30 35 40 45 50 55 0.06 0.12 0.18 0.24 0.30 0.36 0.42 0.48 0.54 0.60 0 11 22 33 44 55 66 77 88 99 110 inductance ( h) dc current (a) SRP1250-R56M temperature rise (c) 0 0 5 10 15 20 25 35 40 45 50 60 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.9 1.0 1.2 0 11 0.8 1.1 inductance ( h) dc current (a) srp1250-1r0m temperature rise (c) 0 0 5 10 15 20 25 30 35 40 45 50 55 60 0.08 0.16 0.24 0.32 0.40 0.48 0.56 0.64 0.72 0.80 0 11 22 33 44 55 66 77 88 99 110 inductance ( h) dc current (a) srp1250-r68m temperature rise (c) 22 33 44 55 66 77 88 99 110 0 0 5 10 15 20 25 30 35 40 0.03 0.06 0.09 0.12 0.15 0.18 0.21 0.24 0.27 0.30 0 12 24 36 48 60 72 84 96 108 120 inductance ( h) dc current (a) srp1250-1r5m temperature rise (c) 0 0 5 10 15 20 25 30 35 40 0.03 0.06 0.09 0.11 0.15 0.18 0.21 0.24 0 12 24 36 48 60 72 84 96 108 inductance ( h) dc current (a) srp1250-2r2m temperature rise (c) 0 0 5 10 15 20 25 30 0.4 0.8 0.12 0.16 0.20 0.24 0.28 0.32 0.36 0.40 0 12 24 36 48 60 72 84 96 108 inductance ( h) dc current (a) srp1250-3r3m temperature rise (c) 0 0481215 20 24 28 0.5 1.0 1.5 2.0 2.5 3.5 3.0 4.0 4.5 5.0 5.5 6.0 0 12 24 36 48 60 72 84 96 108 inductance ( h) dc current (a) srp1250-4r7m temperature rise (c) 0 010 20 30 40 50 1.6 1.2 0.8 0.4 0 160 40 80 120 inductance ( h) dc current (a) srp1250-1r2m temperature rise (c) 0 08 16 24 32 4.0 3.2 2.4 1.6 0 140 20 40 60 80 100 120 inductance ( h) dc current (a) srp1250-2r7m temperature rise (c) 0.8 0 08 16 24 32 40 2.4 2.0 1.5 1.2 0.8 0 160 40 80 120 inductance ( h) dc current (a) srp1250-1r8m temperature rise (c) 0.4 0 0 10.6 21.2 31.8 42.4 53 0.24 0.48 0.72 0.96 1.2 0 20 40 60 80 100 inductance ( h) 0 0.08 0.16 0.24 0.32 0.4 inductance ( h) dc current (a) 01224364860 dc current (a) srp1250-r82m temperature rise (c) 0 20 40 60 80 100 temperature rise (c)
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. rev. 11/10 srp1250 series - shielded power inductors packaging specifications 24.0 0.5 (0.95 0.020) 2.0 0.5 (.079 .020) 75.0 2.0 (2.96 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) 5.6 0.1 (0.220 0.004) 13.9 0.1 (0.547 0.004) 16.0 0.1 (0.629 0.004) 13.5 0.1 (0.520 0.004) 24.0 0.3 (0.95 0.012) 1.75 0.1 (.069 0.004) 2.7 0.3 (.106 0.012) l vs. i charts 0 03 6 912 15 18 21 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 0 12 24 36 48 60 72 84 96 inductance ( h) dc current (a) srp1250-6r8m temperature rise (c) 0 02 4 6 8 1012141618 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 0 12 24 36 48 60 72 84 96 inductance ( h) dc current (a) srp1250-7r8m temperature rise (c) 0 02 46810121416 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1250-100m temperature rise (c) 0 03 6 9 12 15 18 16 12 8 0 120 20 60 100 inductance ( h) dc current (a) srp1250-9r0m temperature rise (c) 4 40 80 0 0 2.8 5.6 8.4 11.2 14 2 4 6 8 10 0 20 40 60 80 100 inductance ( h) dc current (a) srp1250-6r0m temperature rise (c)

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