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Document overview
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Technical content
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 Specifi 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. Specifi 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 specifi c applications. Electrical Schematic *RoHS COMPLIANT **K-Factor: To calculate core fl ux density, Bp-p (gauss) = K x L(µH) x Δ I (peak-to-peak ripple current, A), determine core loss from Core Loss vs. Flux Density plot. Core Loss vs. Flux Density Refl ow Soldering .. 230 °C, 50 sec. max. Operating Temperature (Temperature rise included) Storage Temperature Resistance to Soldering Heat General Specifi cations Rated Current Temperature Rise Materials Bourns Part No. Inductance
100 KHz
Q Ref. Test Freq. (MHz) SRF Typ. (MHz) RDC Max. (mΩ) Irms Max. (A) Isat Typ. (A) Marking **K- Factor(µH) Tol. SRU3009-1R3Y 1.3 ±30 10 7.96 210 115 1.00 1.10 A 1698 SRU3009-3R3Y 3.3 ±30 8 7.96 130 225 0.65 0.72 C 1107 SRU3009-4R7Y 4.7 ±30 9 7.96 100 290 0.48 0.50 D 943 SRU3009-6R8Y 6.8 ±30 8 7.96 85 500 0.40 0.43 E 728 SRU3009-100Y 10 ±30 8.5 2.52 60 760 0.28 0.35 F 621 SRU3009-220Y 22 ±30 20 2.52 40 1450 0.22 0.25 G 417
(7.874) NO COMPONENT NO COMPONENT COMPONENTS 400 (15.748) START (.157) (.315)END 100 100 100 100 (.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 Specifi cations DIMENSIONS: MM (INCHES)QTY: 1,500 PCS. PER REEL SRU3009 Series - Shielded SMD Power Inductors Specifi 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 specifi c applications. REV. 11/13