ref. 1.30 (.039) ref. 1.20 (.047) ref. 1.80 (.071) ref. 4.20 (.165) 3.30 0.20 (.130 .008) 3.50 0.20 (.138 .008) typ. 1.10 (.043) typ. 2.30 (.091) typ. 0.50 (.020) typ. 0.50 (.020) 0.95 0.10 (.037 .004) a flux density bp-p (gauss) 100 10 100 10 1000 1 mhz 500 khz 300 khz 200 khz 100 khz 50 khz 10000 1 0.1 0.01 core loss (mw) features maximum height of 1.05 mm current up to 1.0 a rohs compliant* applications input/output of dc/dc converters power supplies for: ? portable communication equipment ? camcorders ? lcd tvs ? car radios sru3009 series - shielded smd power inductors electrical speci cations 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 perfor mance may vary over time. users should verify actual device performance in their speci? c applications. electrical schematic *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 test voltage ....................................0.1 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. 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 .....................40 ? max. at rated irms packaging ................. 1,500 pcs. per reel materials bourns part no. inductance 100 khz q ref. test freq. (mhz) srf typ. (mhz) rdc max. (m ) irms max. (a) isat typ. (a) marking **k- factor (?) tol. % sru3009-1r3y 1.3 ?0 10 7.96 210 115 1.00 1.10 a 1698 sru3009-2r2y 2.2 ?0 8.5 7.96 150 145 0.80 0.85 b 1340 sru3009-3r3y 3.3 ?0 8 7.96 130 225 0.65 0.72 c 1107 sru3009-4r7y 4.7 ?0 9 7.96 100 290 0.48 0.50 d 943 sru3009-6r8y 6.8 ?0 8 7.96 85 500 0.40 0.43 e 728 SRU3009-100Y 10 ?0 8.5 2.52 60 760 0.28 0.35 f 621 sru3009-220y 22 ?0 20 2.52 40 1450 0.22 0.25 g 417
user direction of feed 200 (7.874) no component no component components 400 (15.748) start 4 (.157) 8 (.315) end 100 100 100 100 14 (.551) 16.5 (.650) 2.0 ?0.5 (.079 ?.020) 50.0 (1.969) 178 (7.008) 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 12.0 (.472) cover tape srf0504 series - line filter packaging speci cations dimensions: mm (inches) qty: 1,500 pcs. per reel sru3009 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
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