7.2 (.283) 1.8 (.071) 1.8 (.071) 3.6 (.142) ref. ref. ref. ref. 7.4 (.291) typ. typ. 10.0 0.3 (.394 .012) 3.4 (.134) typ. 3.2 (.126) typ. 3.4 (.134) 4.8 0.3 (.189 .012) 10.0 0.3 (.394 .012) features available in e6 series unit height of 4.8 mm current up to 7.8 a rohs compliant* applications input/output of dc/dc converters power supplies for: ? portable communication equipment ? camcorders ? lcd tvs ? car radios sru1048 series - shielded smd power inductors test voltage .......................................1 v re ow soldering .. 230 ?, 50 sec. max. operating temperature ................................-40 ? to +125 ? (temperature rise included) storage temperature ................................-40 ? to +125 ? resistance to soldering heat ............................. +260 ? for 10 sec. electrical speci cations general speci cations core ....................ferrite dr and ri core wire ............................enameled copper terminal ....................................ag/ni/sn rated current ...................ind. drop 35 % typ. at isat temperature rise .....................30 ? max. at rated irms packaging .................... 600 pcs. per reel materials product dimensions recommended layout dimensions: mm (inches) * 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. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci? c applications. bourns part number inductance @ 100 khz q (ref.) test freq. (mhz) srf typ. (mhz) rdc (m ) i rms max. (a) i sat typ. (a) **k- factor l (?) tol. (%) sru1048-r80y 0.8 ?0 8 7.96 100.0 3.6 7.80 8.50 266 sru1048-1r5y 1.5 ?0 14 7.96 70.0 4.3 7.00 7.20 207 sru1048-2r2y 2.2 ?0 14 7.96 55.0 5.3 6.50 6.30 169 sru1048-3r0y 3.0 ?0 14 7.96 40.0 7.2 6.20 6.00 143 sru1048-4r7y 4.7 ?0 12 7.96 30.0 9.5 5.50 4.75 124 sru1048-6r8y 6.8 ?0 10 7.96 20.0 13.6 4.80 4.10 98 sru1048-8r2y 8.2 ?0 8 7.96 18.0 15.0 4.60 3.80 89 sru1048-100y 10.0 ?0 26 7.96 16.0 18.5 4.50 3.70 89 SRU1048-1R2Y 12.0 ?0 26 2.52 15.0 25.0 4.00 3.30 81 sru1048-150y 15.0 ?0 30 2.52 14.0 29.0 3.20 2.70 69 sru1048-220y 22.0 ?0 22 2.52 12.0 42.0 2.60 2.00 56 sru1048-330y 33.0 ?0 24 2.52 10.0 63.0 2.10 1.70 48 sru1048-470y 47.0 ?0 26 2.52 8.0 94.0 1.70 1.50 41 sru1048-560y 56.0 ?0 26 2.52 7.0 110.0 1.60 1.40 34 sru1048-680y 68.0 ?0 24 2.52 6.0 127.0 1.40 1.25 33 sru1048-820y 82.0 ?0 24 2.52 5.5 149.0 1.30 1.10 30 sru1048-101y 100.0 ?0 26 0.796 5.0 160.0 1.20 1.00 26 sru1048-151y 150.0 ?0 24 0.796 4.5 235.0 1.00 0.80 21 sru1048-221y 220.0 ?0 20 0.796 4.0 350.0 0.80 0.70 17 sru1048-331y 330.0 ?0 18 0.796 3.0 490.0 0.65 0.52 15 sru1048-561y 560.0 ?0 24 0.796 1.9 890.0 0.47 0.37 12 *rohs compliant **k-factor: to calculate core ux density, bp-p (gauss) = k x l(?) x i (peak-to-peak ripple current, a), determine core loss from core loss vs. flux density plot. core loss vs. flux density flux density bp-p (gauss) 100 1000 10000 10 100 1000 1 mhz 500 khz 300 khz 200 khz 100 khz 50 khz 10000 1 0.1 core loss (mw) 330
user direction of feed 160 (6.299) no component no component components 400 (15.748) start 4 (.157) 16 (.63) end srf0504 series - line filter packaging speci cations dimensions: mm (inches) qty: 600 pcs. per reel sru1048 series - shielded smd power inductors speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. rev. 11/13 electrical schematic inductor connection lcr meter 24 (.945) 26 (1.02) 30.4 (1.20) 2.0 0.5 (.079 .020) 50.0 (1.969) 330 (12.99) dia. 13.0 0.5 (.512 .020) dia. 13.0 0.5 (.512 .020) dia. 21.0 0.8 (.827 .031)
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