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Document overview

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Technical content

Features

■ Available in E6 values ■ Current rating to 3.50 amps ■ RoHS compliant*

Applications

■ Input/output of DC/DC converters ■ Power supplies for:  Portable communication equipment  Camcorders  LCD TVs  Car radios SRR7045 Series - Shielded SMD Power Inductors *RoHS COMPLIANT *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. Refl ow Soldering .. 230 °C, 50 sec. max. Operating Temperature (Temperature rise included) Storage Temperature Resistance to Soldering Heat Electrical Specifi cations Bourns Part No. Inductance 1 KHz Q Typ. Test Frequency (MHz) SRF Typ. (MHz) RDC Max. (Ω) I rms Max. (A) I sat Typ. (A)uH Tol. % SRR7045-100M 10 ±20 30 2.52 25 0.042 2.00 1.70 SRR7045-120M 12 ±20 27 2.52 23 0.050 1.85 1.40 SRR7045-150M 15 ±20 31 2.52 24 0.062 1.60 1.35 SRR7045-180M 18 ±20 29 2.52 21 0.070 1.50 1.15 SRR7045-220M 22 ±20 26 2.52 21 0.070 1.50 1.15 SRR7045-270M 27 ±20 25 2.52 18 0.110 1.25 1.00 SRR7045-330M 33 ±20 25 2.52 12 0.115 1.15 0.90 SRR7045-390M 39 ±20 26 2.52 13 0.130 1.10 0.80 SRR7045-470M 47 ±20 29 2.52 11 0.150 0.95 0.78 SRR7045-560M 56 ±20 21 2.52 11 0.200 0.85 0.65 SRR7045-680M 68 ±20 22 2.52 10 0.210 0.77 0.60 SRR7045-820M 82 ±20 22 2.52 9 0.280 0.70 0.60 SRR7045-101M 100 ±20 40 0.796 8 0.300 0.65 0.50 SRR7045-121M 120 ±20 30 0.796 7 0.420 0.60 0.45 SRR7045-151M 150 ±20 51 0.796 7 0.480 0.53 0.41 SRR7045-181M 180 ±20 52 0.796 5 0.660 0.475 0.375 SRR7045-221M 220 ±20 44 0.796 5 0.700 0.45 0.36 SRR7045-271M 270 ±20 30 0.796 5 0.840 0.40 0.275 SRR7045-331M 330 ±20 65 0.796 4 0.730 0.40 0.25 SRR7045-391M 390 ±20 27 0.796 5 1.200 0.35 0.225 SRR7045-471M 470 ±20 80 0.796 3 1.100 0.32 0.22 SRR7045-561M 560 ±20 27 0.796 4 1.600 0.30 0.20 SRR7045-681M 680 ±20 65 0.796 3 1.600 0.27 0.20 SRR7045-821M 820 ±20 26 0.796 3 2.200 0.25 0.175 SRR7045-102M 1000 ±20 90 0.252 3 2.400 0.25 0.15 General Specifi cations Rated Current (-1R0M through -221M) (-271M through -102M) Temperature Rise Materials Product Dimensions Recommended LayoutSchematic DIMENSIONS: MM (INCHES) 470 220 2.0 (.079)TYP. 4.50 ± 0.3 (.177 ± .012) 7.0 ± 0.3 (.276 ± .012) 7.0 ± 0.3 (.276 ± .012) 1.5 (.059) TYP. 4.0 (.157) TYP. 2.4 (.094)REF. 7.80 (.307) 1.8 (.071)REF. 1.8 (.071) REF. 4.2 (.165) REF. REF.

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. SRR7045 Series - Shielded SMD Power Inductors Packaging Specifi cations DIMENSIONS: MM (INCHES) EMBOSSED CARRIER EMBOSSED CAVITY 0.10 (.004) THICKNESS MAX. QTY: 1000 PCS. PER REEL REV. 02/13 (.709) 22.4 (.882) 2.0 ± 0.5 (.079 ± .020) 50.0 (1.969) 330 (13.00)DIA. 13.0 ± 0.5 (.512 ± .020)DIA. 13.0 ± 0.5 (.512 ± .020) DIA. 21.0 ± 0.8 (.827 ± .031) 220 220 2 USER DIRECTION OF FEED 160 (6.299) NO COMPONENT NO COMPONENTCOMPONENTS 390 (15.354) START (.157) 12.0 (.472) 5.3 (.209) (.630) END