SRU5028-4R7Y

T PL IA N M CO *R oH S Features Applications ■ Available in E6 series ■ Input/output of DC/DC converters ■ Unit height of 2.8 mm ■ Power supplies for: • Portable communication equipment • Camcorders • LCD TVs ■ Current up to 3.5 A 680 ■ RoHS compliant* SRU5028 Series - Shielded SMD Power Inductors Bourns Part Number Inductance @ 100 KHz L (μH) Tol. (%) Q Ref. Test Freq. (MHz) SRF Min. (MHz) RDC (mΩ) I rms Max. (A) I sat Typ. (A) **KFactor SRU5028-1R2Y 1.2 ±30 10 7.96 200 16.8 3.50 3.40 453 SRU5028-2R2Y 2.2 ±30 10 7.96 130 21.0 3.20 2.50 313 SRU5028-3R3Y 3.3 ±30 10 7.96 90 24.0 2.80 2.10 272 SRU5028-4R7Y 4.7 ±30 9 7.96 50 32.0 2.20 1.85 214 SRU5028-6R8Y 6.8 ±30 10 7.96 55 42.0 2.00 1.55 177 SRU5028-100Y 10.0 ±30 18 2.52 25 63.0 1.80 1.40 151 SRU5028-150Y 15.0 ±30 18 2.52 23 108.0 1.10 1.00 123 SRU5028-220Y 22.0 ±30 15 2.52 18 162.0 0.95 0.85 95 SRU5028-330Y 33.0 ±30 15 2.52 16 203.0 0.80 0.68 87 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 SRU5028-101Y 100.0 ±30 15 0.796 8 625.0 0.47 0.42 50 Test Voltage ....................................0.1 V .. 230 °C, 50 sec. max. Operating Temp. .........-40 °C to +125 °C (Temperature rise included) Storage Temp. ............-40 °C to +125 °C Resistance to Soldering Heat ............................... 260 °C for 10 sec. Moisture Sensitivity Level ...................... 1 .................. N/A Materials Core ....................Ferrite DR and RI core Wire ............................Enameled copper Terminal ....................................Ag/Ni/Sn Rated Current..Ind. drop 35 % typ. at Isat Temp. Rise.......40 °C max. at rated Irms Packaging .................... 600 pcs. per reel Product Dimensions 5.2 ± 0.2 (.205 ± .008) Δ I (peak-to-peak ripple current, A), 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 (.110 ± .008) Core Loss (mW) 100 1 MHz 500 KHz 300 KHz 200 KHz 100 KHz 50 KHz 10 1.7 (.067) TYP. 3.9 TYP. (.154) 1 1.8 TYP. (.071) 1.7 TYP. (.067) 0.1 100 10000 1000 Flux Density Bp-p (gauss) Electrical Schematic * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf Inductor Connection Recommended Layout 1.1 (.043) REF. 1.1 (.043) REF. 1.1 (.043) REF. 3.7 (.146) REF. 3.7 (.146) REF. 2.0 (.079) REF. LCR METER WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov 1.1 (.043) REF. DIMENSIONS: REF. MM (INCHES) 2.0 (.079) SRU5028 Series SMD Power Inductors SRF0504 Series- -Shielded Line Filter 178 DIA. (7.008) 2.0 ± 0.5 (.079 ± .020) 21.0 ± 0.8 (.827 ± .031) 16.5 (.650) 13.0 ± 0.5 (.512 ± .020) DIA. 50.0 (1.969) 13.0 ± 0.5 DIA. (.512 ± .020) 12 (.472) 14 (.551) 4 (.157) END START 8 (.315) NO COMPONENT 160 (6.299) NO COMPONENT COMPONENTS 400 (15.748) USER DIRECTION OF FEED DIMENSIONS: QTY: 600 PCS. PER REEL MM (INCHES) REV. 03/18 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹ Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change ^P[OV\[UV[PJL