a 3.3 0.2 (.130 .008) 3.5 0.2 (.138 .008) 1.1 0.1 (.043 .004) typ. typ. 0.5 (.020) typ. 2.30 (.091) 0.5 (.020) typ. 1.1 (.043) 4.2 (.165) 1.8 (.071) ref. ref. ref. 1.3 (.051) ref. 1.2 (.047) flux density bp-p (gauss) 100 10 100 1000 1 mhz 500 khz 300 khz 200 khz 100 khz 50 khz 10000 1 0.1 0.01 core loss (mw) features available in e6 series unit height of 1.1 mm current up to 1.1 a rohs compliant* applications input/output of dc/dc converters power supplies for: ? portable communication equipment ? camcorders ? lcd tvs ? car radios SRU3011 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 performance may vary over time. users should verify actual device performance in their speci? c applications. electrical schematic inductor connection lcr meter *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 .................. 1500 pcs. per reel materials d bourns part no. inductance 100 khz q ref. test freq. (mhz) srf min. (mhz) rdc (m ) irms max. (a) isat typ. (a) marking **k- factor (?) tol. % SRU3011-1r5y 1.5 ?0 7 7.96 180 57 1.10 1.00 a 1698 SRU3011-2r2y 2.2 ?0 7 7.96 150 80 0.92 0.90 b 1498 SRU3011-3r3y 3.3 ?0 8 7.96 120 116 0.84 0.78 c 1213 SRU3011-4r7y 4.7 ?0 8 7.96 90 178 0.63 0.62 d 943 SRU3011-6r8y 6.8 ?0 7 7.96 85 245 0.50 0.46 e 821 SRU3011-100y 10.0 ?0 8 2.52 60 340 0.40 0.35 f 653
user direction of feed 160 (6.299) no component no component components 400 (15.748) start 4 (.157) 8 (.315) end a a a a 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: 1500 pcs. per reel SRU3011 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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