1r2 12.9 (0.508) 12.9 (0.508) 13.7 (0.539) max. max. max. 2.5 0.5 (0.098 0.020) 3.0 0.5 (0.118 0.020) 13.7 (0.539) max. max. 6.5 (.256) max. 7.0 (.276) 15.0 (0.591) 4.5 (.177) 7.0 (.276) features shielded construction unit height of 7.0 mm max. current up to 41 a rohs compliant* applications input/output of dc/dc converters power supplies for: ? portable communications equipment ? camcorders ? lcd tvs ? car audio systems srp1270 series - shielded power inductors *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications. electrical speci cations product dimensions dimensions: mm (inches) recommended layout soldering pro le 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 electrical schematic general speci cations test voltage ....................................1.0 v test frequency ......................... 100 khz re ow soldering .. 230 ?; 50 sec. max. operating temperature ................................-55 ? to +125 ? (temperature rise included) storage temperature ................................-55 ? to +125 ? resistance to soldering heat ............................. +260 ? for 10 sec. materials core ..................................................iron wire ............................enameled copper adhesive .............................. epoxy resin terminal ....................................ag/ni/sn rated current .....ind. drops 20 % at isat temperature rise .....40 ? at rated irms packaging ....... 400 pcs. per 13-inch reel *rohs compliant bourns part no. inductance l ( h) ?0 % i rms (a) i sat (a) dcr (m ) max. srf (mhz) typ. srp1270-r32m 0.32 46 65 0.9 95 srp1270-r47m 0.47 41 65 1.2 85 srp1270-r68m 0.68 35 60 1.6 65 srp1270-1r0m 1.0 32 50 2.1 45 srp1270-1r5m 1.5 27 48 2.6 31 srp1270-1r8m 1.8 24 41 3.2 31 srp1270-2r2m 2.2 22 40 4.2 25 srp1270-3r3m 3.3 18 35 6.6 20 srp1270-4r7m 4.7 15 30 11.2 15 srp1270-5r6m 5.6 14 26.5 10.0 13 srp1270-6r8m 6.8 12 21 14.0 12 srp1270-8r2m 8.2 11 17 15.5 11 SRP1270-100M 10.0 10 16 16.8 10
srp1270 series - shielded power inductors speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. l vs. i charts 0 010203040 60 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-r68m temperature rise (?) 50 0 0132639 65 0.1 0.2 0.3 0.5 0.6 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-r47m temperature rise (?) 0.4 52 0 01020304050 0.2 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-1r0m temperature rise (?) 0 0 8 16 24 32 48 0.5 1.0 1.5 2.0 2.5 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-1r5m temperature rise (?) 40 0 010203040 0.5 1.0 1.5 2.0 2.5 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-2r2m temperature rise (?) 0 0 7 14 21 35 0.8 1.6 2.4 3.2 4.0 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-3r3m temperature rise (?) 28 0 0 6 12 18 30 1.0 2.0 3.0 4.0 5.0 6.0 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-4r7m temperature rise (?) 24 0 0 4.2 8.4 12.6 21 3.0 6.0 9.0 12.0 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-6r8m temperature rise (?) 16.8 0 048 16 3.0 6.0 9.0 12.0 15.0 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) SRP1270-100M temperature rise (?) 12 0 0 3.2 6.4 16 2.8 5.6 8.4 11.2 14.0 0 20 40 60 80 100 inductance ( h) dc current (a) srp1270-8r2m temperature rise (?) 9.6 12.8 0 0 5.3 10.6 15.9 26.5 1.8 3.6 5.4 7.2 9.0 0 20 40 60 80 100 inductance ( h) dc current (a) srp1270-5r6m temperature rise (?) 21.2 0 01326395265 0.1 0.2 0.3 0.4 0.5 0 20 40 60 80 100 inductance ( h) dc current (a) srp1270-r32m temperature rise (?) 0 0 8.2 16.4 24.6 32.8 0.5 1.0 1.5 2.0 2.5 0 10 20 30 40 50 60 70 80 90 100 inductance ( h) dc current (a) srp1270-1r8m temperature rise (?) 41
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 3312 - 2 mm smd trimming potentiometer srp1270 series - shielded power inductors packaging speci cations embossed carrier embossed cavity 0.10 (.004) thickness max. dimensions: mm (inches) rev. 12/12 24.0 ?0.5 (0.95 ?0.020) 2.0 0.5 (.079 .020) 100.0 ?2.0 (3.94 ?.079) 330.0 (13.00) dia. 13.5 0.5 (.53 .020) dia. 13.5 0.5 (0.53 .020) dia. 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. 0.50 0.05 (0.020 0.002) 6.9 0.1 (0.272 0.004) 14.2 0.1 (0.559 0.004) 20.5 0.1 (0.807 0.004) 13.2 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)
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