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Document overview
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Technical content
Features
■ Available in E6 series ■ Unit height of 2.8 mm ■ Current up to 0.72 A ■ RoHS compliant*
Applications
■ Input/output of DC/DC converters ■ Power supplies for: Portable communication equipment Camcorders LCD TVs Car radios SRU3028 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 Inductor Connection Bourns Part Number Inductance @ 100 KHz Q Ref. Test Freq. (MHz) SRF Typ. (MHz) RDC (Ω) I rms Max. (A) I sat Typ. (A) **K- FactorL (µH) Tol. (%) SRU3028-100Y 10.0 ±30 20 7.96 35 160 0.72 0.86 276 SRU3028-150Y 15.0 ±30 18 2.52 25 230 0.66 0.72 241 SRU3028-220Y 22.0 ±30 18 2.52 15 270 0.60 0.62 214 SRU3028-330Y 33.0 ±30 20 2.52 10 450 0.47 0.48 180 SRU3028-470Y 47.0 ±30 20 2.52 8 815 0.32 0.38 133 SRU3028-680Y 68.0 ±30 20 2.52 7 1400 0.24 0.28 112 SRU3028-101Y 100.0 ±30 20 0.796 5 2200 0.19 0.21 91 100 LCR METER *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
(6.299) NO COMPONENT NO COMPONENT COMPONENTS 400 (15.748) START (.157) (.315) END 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: 600 PCS. PER REEL SRU3028 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