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 0.72 A Camcorders RoHS compliant* LCD TVs SRU3028 Series - Shielded SMD Power Inductors Test Voltage ....................................0.1 V Inductance Test I rms SRF I sat .. 230 C, 50 sec. max. 100 KHz Q Bourns RDC Max. Freq. Typ. Typ. **K- Operating Temperature Part Number Tol. Ref. (m) L (H) (MHz) (MHz) (A) (A) Factor (%) ................................-40 C to +125 C (Temperature rise included) SRU3028-100Y 10.0 30 20 7.96 35 160 0.72 0.86 276 Storage Temperature SRU3028-150Y 15.0 30 18 2.52 25 230 0.66 0.72 241 ................................-40 C to +125 C SRU3028-220Y 22.0 30 18 2.52 15 270 0.60 0.62 214 Resistance to Soldering Heat .............................+260 C for 10 sec. SRU3028-330Y 33.0 30 20 2.52 10 450 0.47 0.48 180 Moisture Sensitivity Level .....................1 SRU3028-470Y 47.0 30 20 2.52 8 815 0.32 0.38 133 ................. N/A SRU3028-680Y 68.0 30 20 2.52 7 1400 0.24 0.28 112 Materials SRU3028-101Y 100.0 30 20 0.796 5 2200 0.19 0.21 91 Core ....................Ferrite DR and RI core I (peak-to-peak ripple current, A), Wire ............ Enameled copper (Class F) determine core loss from Core Loss vs. Flux Density plot. Terminal ....................................Ag/Ni/Sn Rated Current Core Loss vs. Flux Density ...................Ind. drop 35 % typ. at Isat 1000 Temperature Rise .....................40 C max. at rated Irms Packaging .................... 600 pcs. per reel 100 Product Dimensions 3.5 0.2 (.138 .008) 10 1 MHz 500 KHz 300 KHz 200 KHz 1 100 KHz 50 KHz 100 0.1 3.3 0.2 0.01 (.130 .008) 2.8 0.2 100 1000 10000 (.110 .008) Flux Density Bp-p (gauss) Inductor Connection Recommended Layout 4.2 REF. (.165) 1.8 0.5 REF. (.071) TYP. (.020) 1.1 2.30 (.043) TYP. (.091) TYP. 1.3 REF. Electrical Schematic (.051) 0.5 TYP. (.020) 1.2 (.047) MM REF. DIMENSIONS: (INCHES) *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specications are subject to change without notice. Users should verify actual device performance in their specic WARNING Cancer and Reproductive Harm applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 100 *RoHS COMPLIANT LCR METER Core Loss (mW) SRF0504 Series - Line FilterSRU3028 Series - Shielded SMD Power Inductors 178 2.0 0.5 DIA. 16.5 (7.008) (.079 .020) (.650) COVER 13.0 0.5 TAPE 21.0 0.8 (.512 .020) (.827 .031) DIA. EMBOSSED CAVITY 50.0 (1.969) 13.0 0.5 DIA. EMBOSSED (.512 .020) CARRIER 12.0 14 (.472) (.551) 4 (.157) END START 100 100 100 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.