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SRU1028-2R2Y Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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SRU1028-2R2Y Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 2 page 7.2 (.283) 1.8 (.071) 1.8 (.071) 3.6 (.142) REF. REF. REF. REF. 7.4 (.291) TYP. TYP. 10.0 ± 0.3 (.394 ± .012) 3.4 (.134) TYP. 3.2 (.126) TYP. 3.4 (.134) 2.8 ± 0.3 (.110 ± .012) 10.0 ± 0.3 (.394 ± .012) Features ■ Available in E6 series ■ Unit height of 2.8 mm ■ Current up to 7 A ■ RoHS compliant* Applications ■ Input/output of DC/DC converters ■ Power supplies for: • Portable communication equipment • Camcorders • LCD TVs • Car radios SRU1028 Series - Shielded SMD Power Inductors 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. Electrical Specifications @ 25 °C General Specifications 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 Materials Product Dimensions Recommended Layout DIMENSIONS: MM (INCHES) * 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. Bourns Part Number Inductance @ 100 KHz Q Ref. Test Freq. (MHz) SRF Min. (MHz) RDC (m Ω) I rms Max. (A) I sat Typ. (A) **K- Factor L (µH) Tol. (%) SRU1028-1R0Y 1.0 ±30 14 7.96 100.0 4.9 7.00 8.00 315 SRU1028-1R5Y 1.5 ±30 12 7.96 80.0 7.3 6.50 6.50 245 SRU1028-2R2Y 2.2 ±30 12 7.96 65.0 11 5.30 4.80 200 SRU1028-3R3Y 3.3 ±30 14 7.96 55.0 15 4.60 4.30 169 SRU1028-4R7Y 4.7 ±30 12 7.96 40.0 16 4.50 3.80 147 SRU1028-6R8Y 6.8 ±30 12 7.96 30.0 15 3.50 3.00 130 SRU1028-8R2Y 8.2 ±30 12 7.96 28.0 28 3.30 2.70 116 SRU1028-100Y 10.0 ±30 20 7.96 25.0 40 2.80 2.40 105 SRU1028-120Y 12.0 ±30 22 2.52 23.0 70 2.40 2.30 93 SRU1028-150Y 15.0 ±30 26 2.52 22.0 69 2.00 2.00 82 SRU1028-220Y 22.0 ±30 26 2.52 16.0 104 1.60 1.40 71 SRU1028-330Y 33.0 ±30 24 2.52 12.0 139 1.25 1.20 60 SRU1028-470Y 47.0 ±30 20 2.52 11.0 167 1.30 1.10 49 SRU1028-560Y 56.0 ±30 22 2.52 10.0 208 1.10 1.00 43 SRU1028-680Y 68.0 ±30 20 2.52 9.0 232 1.00 0.90 39 SRU1028-820Y 82.0 ±30 20 2.52 8.0 323 0.90 0.85 36 SRU1028-101Y 100.0 ±30 20 0.796 7.0 365 0.85 0.80 33 SRU1028-121Y 120.0 ±30 18 0.796 6.0 428 0.65 0.70 31 SRU1028-151Y 150.0 ±30 18 0.796 5.0 518 0.70 0.65 27 **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 Flux Density Bp-p (gauss) 100 1000 10000 10 100 1000 1 MHz 500 KHz 300 KHz 200 KHz 100 KHz 50 KHz 10000 1 0.1 100 |
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