T PL IA N M CO *R oH S Features Applications ■ Available in E6 series ■ Input/output of DC/DC converters ■ Unit height of 4.3 mm ■ Power supplies for: • • • • ■ Current up to 5.4 A 101 ■ RoHS compliant* Portable communication equipment Camcorders LCD TVs Car radios SRU8043 Series - Shielded SMD Power Inductors Electrical Specifications General Specifications Inductance 100 KHz Bourns Part No. (µH) Tol. % Q Ref. Test Freq. (MHz) SRU8043-2R2Y 2.2 ± 30 15 7.96 65.0 11.2 5.40 5.20 250 SRU8043-3R9Y 3.9 ± 30 15 7.96 42.0 14.6 4.80 4.00 191 SRU8043-4R7Y 4.7 ± 30 13 7.96 36.0 17.0 4.60 3.60 171 SRU8043-6R8Y 6.8 ± 30 12 7.96 30.0 22.4 3.80 3.10 141 SRU8043-100Y 10 ± 30 27 2.52 20.0 30.0 3.50 2.70 120 SRU8043-120Y 12 ± 30 15 2.52 15.0 39.0 2.80 2.20 110 SRU8043-150Y 15 ± 30 26 2.52 15.0 46.0 2.70 2.00 98 SRU8043-180Y 18 ± 30 15 2.52 15.0 62.0 2.30 1.70 87 SRU8043-220Y 22 ± 30 24 2.52 12.0 72.5 2.20 1.70 79 SRU8043-270Y 27 ±30 17 2.52 12.0 84.0 1.80 1.55 73 SRU8043-330Y 33 ± 30 21 2.52 11.0 100.0 1.70 1.40 66 SRU8043-470Y 47 ±30 21 2.52 9.0 120.0 1.50 1.20 55 SRU8043-680Y 68 ±30 20 2.52 7.0 192.0 1.20 1.00 44 SRU8043-101Y 100 ±30 50 0.796 6.0 287.0 1.00 0.80 38 SRF Min. (MHz) RDC (mΩ) Irms Max. (A) Isat Typ. (A) **KFactor **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 .......................................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 .................. 1000 pcs. per reel Product Dimensions 8.0 ± 0.3 (.315 ± .012) Core Loss vs. Flux Density 10000 8.0 ± 0.3 (.315 ± .012) 1000 Core Loss (mW) 100 4.3 ± 0.3 (.169 ± .012) 10 1 MHz 800 KHz 500 KHz 400 KHz 300 KHz 200 KHz 100 KHz 1 0.1 0.01 6.0 TYP. (.236) 2.5 (.098) TYP. 0.001 2.8 (.110) TYP. 0.0001 10 100 1000 2.5 TYP. (.098) 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. 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. Inductor Connection Recommended Layout 2.0 (.079) REF. 5.8 (.228) REF. 2.0 (.079) REF. LCR METER DIMENSIONS: MM (INCHES) 3.2 (.126) REF. SRF0504 Filter SMD Power Inductors SRU8043Series Series- -Line Shielded Packaging Specifications 330 DIA. (12.99) 2.0 ± 0.5 (.079 ± .020) 22.4 (.882) 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 16.0 (.630) 18 (.709) 4 (.157) END START 12 (.472) NO COMPONENT 160 (6.299) NO COMPONENT COMPONENTS 400 (15.748) USER DIRECTION OF FEED QTY: 1000 PCS. PER REEL DIMENSIONS: MM (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com 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.