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Document overview
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Technical content
Features
■ Available in E6 series ■ Unit height of 4.8 mm ■ Current up to 7.8 A ■ RoHS compliant*
Applications
■ Input/output of DC/DC converters ■ Power supplies for: Portable communication equipment Camcorders LCD TVs Car radios SRU1048 Series - Shielded SMD Power Inductors Refl ow Soldering .. 230 °C, 50 sec. max. Operating Temperature (Temperature rise included) Storage Temperature Resistance to Soldering Heat Electrical Specifi cations General Specifi cations Rated Current Temperature Rise 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. Specifi cations 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 specifi c applications. Bourns Part Number Inductance @ 100 KHz Q (Ref.) Test Freq. (MHz) SRF Typ. (MHz) RDC (mΩ) I rms Max. (A) I sat Typ. (A) **K- FactorL (µH) Tol. (%) *RoHS COMPLIANT **K-Factor: To calculate core fl ux 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 100 1000
1 MHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
0.1 Core Loss (mW) 330
(6.299) NO COMPONENT NO COMPONENT COMPONENTS 400 (15.748) START (.157) (.63) END SRF0504 Series - Line Filter Packaging Specifi cations DIMENSIONS: MM (INCHES)QTY: 600 PCS. PER REEL SRU1048 Series - Shielded SMD Power Inductors Specifi cations 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 specifi c applications. REV. 11/13 Electrical Schematic Inductor Connection LCR METER (.945)26 (1.02) 30.4 (1.20) 2.0 ± 0.5 (.079 ± .020) 50.0 (1.969) 330 (12.99)DIA. 13.0 ± 0.5 (.512 ± .020)DIA. 13.0 ± 0.5 (.512 ± .020) DIA. 21.0 ± 0.8 (.827 ± .031)