T PL IA N M CO *R oH S Features Applications ■ Maximum height of 2.0 mm ■ Input/output of DC/DC converters ■ Current up to 3.6 A ■ Power supplies for: • • • • ■ RoHS compliant* 100 Portable communication equipment Camcorders LCD TVs Car radios SRU6018 Series - Shielded SMD Power Inductors Electrical Specifications General Specifications Bourns Part Number Inductance @ 100 KHz L Tol. (µH) (%) SRU6018-1R2Y SRU6018-1R8Y SRU6018-3R3Y SRU6018-4R7Y SRU6018-6R8Y SRU6018-100Y SRU6018-150Y SRU6018-220Y SRU6018-330Y SRU6018-470Y SRU6018-680Y SRU6018-101Y 1.2 1.8 3.3 4.7 6.8 10 15 22 33 47 68 100 ±30 ±30 ±30 ±30 ±30 ±30 ±30 ±30 ±30 ±30 ±30 ±30 Q Ref. Test Freq. (MHz) SRF Typ. (MHz) RDC Max. (mΩ) I rms Max. (A) I sat Typ. (A) **KFactor 8 8 8 8 8 12 12 14 10 12 12 20 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 130 90 60 50 40 30 24 18 16 14 12 9 25 28 36 52 60 88 130 190 255 410 600 715 3.60 3.00 2.50 2.20 1.90 1.70 1.50 1.20 1.00 0.80 0.62 0.50 2.80 2.30 1.70 1.40 1.20 1.00 0.80 0.65 0.58 0.46 0.36 0.34 707 579 424 374 303 236 193 163 130 108 90 77 **K-Factor: To calculate core flux 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. Test Voltage ....................................0.1 V Reflow Soldering .. 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. Materials Core ....................Ferrite DR and RI core Wire ............................Enameled copper Terminal ....................................Ag/Ni/Sn Rated Current..Ind. drop 35 % typ. at Isat Temp. Rise.......30 °C max. at rated Irms Packaging .................... 800 pcs. per reel Product Dimensions Core Loss vs. Flux Density 100 1000 6.20 ± 0.30 (.244 ± .012) 100 Core Loss (mW) 6.50 ± 0.30 (.256 ± .012) 1.80 ± 0.20 (.071 ± .008) 10 1 MHz 500 KHz 300 KHz 200 KHz 100 KHz 50 KHz 1 2.15 (.085) TYP. 4.90 TYP. (.193) 0.1 2.20 (.087) TYP. 0.01 100 1000 10000 2.15 TYP. (.085) Flux Density Bp-p (gauss) Recommended Layout Electrical Schematic REF. 1.10 (.043) 1.10 (.043) REF. 4.90 REF. (.193) 1.10 (.043) REF. 4.90 (.193) REF. 2.40 (.094) REF. * 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. 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 specific applications. 1.10 (.043) REF. 2.40 REF. (.094) DIMENSIONS: MM (INCHES) SRU6018 Series SMD Power Inductors SRF0504 Series- -Shielded Line Filter Packaging Specifications 178.0 DIA. (7.008) 2.0 ± 0.5 (.079 ± .020) 18.4 (.724) COVER TAPE 13.0 ± 0.5 (.512 ± .020) DIA. 21.0 ± 0.8 (.827 ± .031) EMBOSSED CAVITY 50.0 (1.969) 13.0 ± 0.5 DIA. (.512 ± .020) EMBOSSED CARRIER 12.0 (.472) 14 (.551) 4 (.157) END 100 START 100 100 10 8 (.315) NO COMPONENT NO COMPONENT 200 (7.874) DIMENSIONS: COMPONENTS MM (INCHES) 400 (15.748) USER DIRECTION OF FEED QTY: 800 PCS. PER REEL REV. 11/13 Specifications 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 specific applications.