T PL IA N M CO *R oH S Features Applications ■ Maximum height of 1.0 mm ■ Input/output of DC/DC converters ■ Current up to 1.45 A ■ Power supplies for: • • • • ■ RoHS compliant* A Portable communication equipment Camcorders LCD TVs Car radios SRU2009 Series - Shielded SMD Power Inductors Electrical Specifications General Specifications Inductance 100 KHz RDC Max. (mΩ) Irms Max. (A) Isat Typ. (A) Bourns Part No. (µH) Tol. % Q Ref. Test Freq. (MHz) SRU2009-1R0Y 1.0 ±30 7 7.96 200 110 1.45 SRU2009-2R2Y 2.2 ±30 7 7.96 120 210 1.10 SRU2009-3R3Y 3.3 ±30 7 7.96 100 320 SRU2009-4R4Y 4.4 ±30 7 7.96 85 SRU2009-6R8Y 6.8 ±30 7 7.96 70 SRU2009-100Y 10 ±30 10 2.52 50 SRF Typ. (MHz) Marking **KFactor 1.30 A 2653 0.80 C 1730 0.80 0.60 E 1474 430 0.68 0.50 F 1206 650 0.52 0.45 G 1020 1080 0.40 0.35 H 847 SRU2009-150Y 15 ±30 10 2.52 40 1370 0.30 0.30 I 698 SRU2009-220Y 22 ±30 10 2.52 30 2600 0.22 0.22 J 577 **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. Core Loss vs. Flux Density 100 Test Voltage ....................................0.1 V Reflow Soldering .. 230 °C, 50 sec. max. Operating Temperature ................................-40 °C to +125 °C (Temperature rise included) Storage Temperature ................................-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 Temperature Rise .....................40 °C max. at rated Irms Packaging ................. 1,500 pcs. per reel Product Dimensions 2.80 ± 0.20 (.110 ± .008) Core Loss (mW) 10 1 1 MHz 500 KHz 300 KHz 200 KHz 100 KHz 50 KHz 0.1 A 0.01 2.80 ± 0.20 (.110 ± .008) 0.001 100 1000 10000 0.90 ± 0.10 (.035 ± .004) Flux Density Bp-p (gauss) Electrical Schematic Recommended Layout REF. 0.65 (.026) 1.30 (.051) REF. 2.10 (.083) REF. 0.90 (.035) TYP. 3.00 (.118) REF. 1.20 (.047) REF. 0.90 (.035) TYP. 1.00 REF. (.039) 1.00 (.039) REF. REF. 0.65 (.026) 1.24 (.049) REF. 0.90 TYP. (.035) DIMENSIONS: MM (INCHES) 1.20 (.047) 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. SRF0504 Filter SMD Power Inductors SRU2009Series Series- -Line Shielded Packaging Specifications 178.0 DIA. (7.008) 2.0 ± 0.5 (.079 ± .020) 21.0 ± 0.8 (.827 ± .031) 16.5 (.650) COVER TAPE 13.0 ± 0.5 (.512 ± .020) DIA. EMBOSSED CAVITY 50.0 (1.969) 13.0 ± 0.5 DIA. (.512 ± .020) EMBOSSED CARRIER 12.0 (.472) 14.0 (.551) 4 (.157) END A START A A A 8 (.315) NO COMPONENT 200 (7.874) NO COMPONENT COMPONENTS 400 (15.748) USER DIRECTION OF FEED QTY: 1500 PCS. PER REEL DIMENSIONS: MM (INCHES) 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.