Features Applications n Available in E6 values n Input/output of DC/DC converters n Current rating to 3.50 amps n Power supplies for: n RoHS compliant* Portable communication equipment Camcorders LCD TVs SRR7045 Series - Shielded SMD Power Inductors Electrical Specifications General Specifications Test Voltage ....................................0.5 V Inductance 1 KHz Test I rms I sat SRF RDC Reflow Soldering .. 230 C, 50 sec. max. Q Frequency Max. Max. Typ. Typ. Operating Temperature Bourns Part No. uH Tol. % Typ. (MHz) (MHz) () (A) (A) ................................-40 C to +125 C SRR7045-1R0M 1.0 20 10 7.96 160 0.020 5.20 6.00 (Temperature rise included) SRR7045-2R2M 2.2 20 10 7.96 95 0.022 4.20 4.20 Storage Temperature SRR7045-2R7M 2.7 20 10 7.96 60 0.027 3.50 3.50 ................................-40 C to +125 C SRR7045-3R3M 3.3 20 12 7.96 90 0.027 3.50 3.30 Resistance to Soldering Heat SRR7045-3R9M 3.9 20 12 7.96 75 0.030 3.40 3.20 ...............................260 C for 10 sec. SRR7045-4R7M 4.7 20 12 7.96 60 0.033 3.30 2.80 Moisture Sensitivity Level .....................1 SRR7045-5R6M 5.6 20 12 7.96 50 0.035 3.20 2.50 ESD Classification (HBM) ................. N/A SRR7045-6R3M 6.3 20 10 7.96 30 0.038 2.45 3.00 7.0 0.3 SRR7045-6R8M 6.8 20 12 7.96 40 0.036 3.10 2.40 Materials (.276 .012) SRR7045-100M 10 20 40 2.52 23 0.048 2.70 1.90 Core ............................... Ferrite DR & RI SRR7045-120M 12 20 40 2.52 20 0.054 2.40 1.80 Wire ............. Enameled copper wire 130 SRR7045-150M 15 20 40 2.52 17 0.062 2.20 1.50 Terminal ....................................Cu/Ni/Sn 7.0 0.3 SRR7045-180M 18 20 40 2.52 16 0.070 2.10 1.40 Rated Current 220 (.276 .012) SRR7045-220M 22 20 40 2.52 15 0.082 1.90 1.30 ...............Ind. drop of 10 % typ. at Isat SRR7045-270M 27 20 30 2.52 13.5 0.100 1.80 1.15 (-1R0M, -2R2M, -3R3M through -5R6M, -6R8M through -221M) SRR7045-330M 33 20 30 2.52 11 0.115 1.60 1.00 ...............Ind. drop of 20 % typ. at Isat SRR7045-390M 39 20 30 2.52 10.5 0.130 1.50 0.95 (-2R7M, -6R3M) SRR7045-470M 47 20 30 2.52 10 0.160 1.40 0.90 ...............Ind. drop of 25 % typ. at Isat SRR7045-560M 56 20 25 2.52 9 0.180 4.50 1.30 0.3 0.80 (-271M through -102M) (.177 .012) SRR7045-680M 68 20 25 2.52 8.5 0.210 1.20 0.75 Temperature Rise SRR7045-820M 82 20 25 2.52 6.5 0.270 1.10 0.65 .....................40 C max. at rated Irms SRR7045-101M 100 20 40 0.796 6 0.300 1.00 0.60 Packaging .................. 1000 pcs. per reel 2.0 SRR7045-121M 120 20 40 0.796 5.5 0.380 0.90 0.55 TYP. 1.5 (.079) SRR7045-151M 150 20 40 0.796 5 0.460 0.80 0.50 (.059) Product Dimensions TYP. SRR7045-181M 180 20 40 0.796 4.7 0.600 0.66 0.45 7.0 0.3 SRR7045-221M 220 20 40 0.796 4.5 0.690 0.64 0.40 (.276 .012) SRR7045-271M 270 20 40 0.796 4 0.600 0.62 0.30 4.0 TYP. (.157) SRR7045-331M 330 20 40 0.796 3.8 0.730 0.60 0.27 SRR7045-391M 390 20 50 0.796 3.6 1.000 0.54 0.25 SRR7045-471M 470 20 50 0.796 3.2 1.100 0.50 0.23 7.0 0.3 220 (.276 .012) SRR7045-561M 560 20 50 0.796 2.9 1.340 0.45 0.21 SRR7045-681M 680 20 50 0.796 2.5 1.600 0.40 0.20 SRR7045-821M 820 20 50 0.796 2.4 1.850 0.37 0.18 SRR7045-102M 1000 20 90 0.252 2.2 2.370 0.33 0.16 Schematic Recommended Layout 4.50 0.3 (.177 .012) 2.4 1.8 REF. REF. (.094) (.071) 2.0 TYP. (.079) 1.5 (.059) 4.2 7.80 TYP. (.165) (.307) REF. REF. 4.0 TYP. (.157) 1.8 REF. WARNING Cancer and Reproductive Harm (.071) www.P65Warnings.ca.gov MM *RoHS Directive 2015/863, Mar 31, 2015 and Annex. DIMENSIONS: (INCHES) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 2.4 1.8 REF. REF. (.094) (.071) 4.2 7.80 (.165) (.307) REF. REF. 1.8 REF. (.071) 470 SRR7045 Series - Shielded SMD Power Inductors Packaging Specifications 330 2.0 0.5 22.4 DIA. (13.00) (.079 .020) (.882) THICKNESS 0.10 (.004) 13.0 0.5 21.0 0.8 MAX. (.512 .020) (.827 .031) DIA. EMBOSSED CAVITY 50.0 (1.969) 13.0 0.5 DIA. (.512 .020) EMBOSSED CARRIER 18 (.709) 4 12.0 (.472) (.157) END START 16 (.630) 220 220 2 5.3 (.209) NO COMPONENT COMPONENTS NO COMPONENT 160 390 (6.299) (15.354) USER DIRECTION OF FEED QTY: 1000 PCS. PER REEL MM DIMENSIONS: (INCHES) REV. 10/20 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.