Features Applications Available in E6 series Input/output of DC/DC converters Unit height of 2.8 mm Power supplies for: Portable communication equipment Current up to 3.5 A Camcorders RoHS compliant* LCD TVs SRU5028 Series - Shielded SMD Power Inductors Test Voltage ....................................0.1 V Inductance Test I rms SRF I sat Q Bourns RDC .. 230 C, 50 sec. max. 100 KHz **K- Freq. Min. Max. Typ. Part Number Ref. (m) Factor L (H) Tol. (%) (MHz) (MHz) (A) (A) Operating Temp........-40 C to +125 C (Temperature rise included) SRU5028-1R2Y 1.2 30 10 7.96 200 16.8 3.50 3.40 453 Storage Temp...........-40 C to +125 C SRU5028-2R2Y 2.2 30 10 7.96 130 21.0 3.20 2.50 313 Resistance to Soldering Heat ............................... 260 C for 10 sec. SRU5028-3R3Y 3.3 30 10 7.96 90 24.0 2.80 2.10 272 Moisture Sensitivity Level ...................... 1 SRU5028-4R7Y 4.7 30 9 7.96 50 32.0 2.20 1.85 214 .................. N/A SRU5028-6R8Y 6.8 30 10 7.96 55 42.0 2.00 1.55 177 Materials SRU5028-100Y 10.0 30 18 2.52 25 63.0 1.80 1.40 151 Core ....................Ferrite DR and RI core SRU5028-150Y 15.0 30 18 2.52 23 108.0 1.10 1.00 123 Wire ............................Enameled copper Terminal ....................................Ag/Ni/Sn SRU5028-220Y 22.0 30 15 2.52 18 162.0 0.95 0.85 95 Rated Current ..Ind. drop 35 % typ. at Isat SRU5028-330Y 33.0 30 15 2.52 16 203.0 0.80 0.68 87 Temp. Rise.......40 C max. at rated Irms Packaging .................... 600 pcs. per reel SRU5028-470Y 47.0 30 13 2.52 13 285.0 0.70 0.62 69 SRU5028-680Y 68.0 30 13 2.52 10 450.0 0.56 0.46 59 Product Dimensions SRU5028-101Y 100.0 30 15 0.796 8 625.0 0.47 0.42 50 5.2 0.2 I (peak-to-peak ripple current, A), (.205 .008) determine core loss from Core Loss vs. Flux Density plot. Core Loss vs. Flux Density 5.2 0.2 (.205 .008) 1000 2.8 0.2 100 (.110 .008) 1 MHz 3.9 1.7 TYP. 10 (.154) 500 KHz (.067) TYP. 300 KHz 200 KHz 100 KHz 50 KHz 1 1.8 TYP. (.071) 1.7 TYP. (.067) 0.1 100 1000 10000 Recommended Layout Flux Density Bp-p (gauss) 1.1 1.1 (.043) (.043) REF. REF. 3.7 Electrical Schematic Inductor Connection 1.1 (.146) (.043) REF. REF. 3.7 (.146) * RoHS Directive 2002/95/EC Jan. 27, 2003 including REF. annex and RoHS Recast 2011/65/EU June 8, 2011. Specications are subject to change without notice. 2.0 Users should verify actual device performance in their (.079) LCR METER REF. specic applications. The products described herein and 2.0 1.1 this document are subject to specic legal disclaimers as REF. (.079) (.043) WARNING Cancer and Reproductive Harm set forth on the last page of this document, and at MM REF. DIMENSIONS: www.bourns.com/docs/legal/disclaimer.pdf www.P65Warnings.ca.gov (INCHES) 680 *RoHS COMPLIANT Core Loss (mW) SRF0504 Series - Line FilterSRU5028 Series - Shielded SMD Power Inductors 178 2.0 0.5 DIA. 16.5 (7.008) (.079 .020) (.650) 13.0 0.5 21.0 0.8 (.512 .020) (.827 .031) DIA. 50.0 (1.969) 13.0 0.5 DIA. (.512 .020) 12 14 (.472) (.551) 4 (.157) START END 8 (.315) NO COMPONENT NO COMPONENT 160 400 COMPONENTS (6.299) (15.748) USER DIRECTION OF FEED MM DIMENSIONS: (INCHES) QTY: 600 PCS. PER REEL REV. 03/18 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.