NT IA PL M CO S oH Applications ■ Available in E12 series ■ Input/output of DC/DC converters ■ Height of 10 mm ■ Power supplies for: • • • • ■ Current rating up to 11 A 0 10 *R Features ■ RoHS compliant* Portable communication equipment Camcorders LCD TVs Car radios SRR1210 Series - Shielded SMD Power Inductors Electrical Characteristics General Specifications Inductance 100 KHz Test Frequency (MHz) SRF MHz Typ. DCR max. (mΩ) I rms (A) I sat (A) Bourns Part No. uH Tol. % Q Ref. SRR1210-1R0Y 1.0 ±30 10 7.96 85 6.0 11.0 16.5 SRR1210-1R8Y 1.8 ±30 10 7.96 56 7.5 10.2 13.2 SRR1210-2R2Y 2.2 ±30 10 7.96 54 9.0 9.5 12.2 SRR1210-3R3Y 3.3 ±30 15 7.96 44 10 9.0 10.5 SRR1210-4R7Y 4.7 ±30 8 7.96 35 12 8.5 9.6 SRR1210-5R6Y 5.6 ±30 12 7.96 28 14 8.0 8.5 SRR1210-6R8Y 6.8 ±30 12 7.96 20 15 7.9 8.3 SRR1210-8R2Y 8.2 ±30 11 7.96 16 17 7.3 7.5 SRR1210-100M 10 ±20 16 2.52 12 18 6.5 6.5 SRR1210-120M 12 ±20 14 2.52 18 22 6.3 6.1 SRR1210-150M 15 ±20 16 2.52 10.5 32 5.8 5.3 SRR1210-180M 18 ±20 13 2.52 8.0 35 5.5 5.1 SRR1210-220M 22 ±20 16 2.52 8.0 38 5.2 4.5 SRR1210-270M 27 ±20 16 2.52 6.5 40 5.0 4.2 SRR1210-330M 33 ±20 16 2.52 6.5 52 4.4 3.7 SRR1210-390M 39 ±20 16 2.52 4.5 66 4.2 3.5 SRR1210-470M 47 ±20 16 2.52 4.5 72 3.8 3.1 SRR1210-560M 56 ±20 8 2.52 4.0 90 3.4 2.9 SRR1210-680M 68 ±20 12 2.52 3.8 102 3.0 2.7 SRR1210-820M 82 ±20 15 2.52 3.5 112 2.8 2.5 SRR1210-101M 100 ±20 16 0.796 3.0 135 2.5 2.2 SRR1210-121M 120 ±20 13 0.796 2.6 170 2.3 1.9 SRR1210-151M 150 ±20 12 0.796 2.2 190 2.2 1.8 SRR1210-181M 180 ±20 14 0.796 1.8 250 1.9 1.6 SRR1210-221M 220 ±20 15 0.796 1.8 315 1.7 1.5 SRR1210-271M 270 ±20 16 0.796 1.8 410 1.5 1.3 SRR1210-331M 330 ±20 14 0.796 1.8 450 1.4 1.2 SRR1210-391M 390 ±20 16 0.796 1.3 600 1.3 1.1 SRR1210-471M 470 ±20 12 0.796 0.85 820 1.2 1.0 SRR1210-561M 560 ±20 12 0.796 0.85 900 1.1 0.95 SRR1210-681M 680 ±20 11 0.796 0.85 1200 1.0 0.85 SRR1210-821M 820 ±20 6 0.796 0.85 1320 0.85 0.75 SRR1210-102M 1000 ±20 22 0.796 0.85 1650 0.75 0.70 Schematic Test Voltage ................... 0.25 volt/1 KHz 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 5 sec. Materials Core ................................ Ferrite DR & RI Wire ........................... Enameled copper Terminal coating ...................... Matte Sn Rated Current ..............Ind. drop of 20 % typ. at Isat Temperature Rise .. 40 °C typical at Irms Packaging.................... 250 pcs. per reel Product Dimensions 12.0 ± 0.5 (.472 ± .020) 1R0 12.0 ± 0.5 (.472 ± .020) INDUCTANCE CODE 10.0 MAX. (.394) 4.9 REF. (.193) 7.9 REF. (.311) Recommended Layout REF. 5.3 (.209) REF. 2.8 (.110) DIMENSIONS: 7.3 REF. (.287) *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications 2.8 (.110) REF. MM (INCHES) SRR1210 Series - Shielded SMD Power Inductors Packaging Specifications 2.0 ± 0.5 (.079 ± .020) 330 DIA. (12.99) 30.4 (1.197) THICKNESS 0.10 (.004) MAX. 13.0 (.512) DIA. 21.0 ± 0.8 (.827 ± .031) EMBOSSED CAVITY 50.0 -0 (1.969 -0) 13.0 DIA. (.512) EMBOSSED CARRIER 26 +0 (1.024 +0) 20.0 (.787) END 24.0 (.945) 1R0 NO COMPONENT 4.0 (.157) 1R0 1R0 COMPONENTS START 1R0 NO COMPONENT 400 (15.75) 200 (7.87) USER DIRECTION OF FEED QTY: 250 PCS. PER REEL DIMENSIONS: MM (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com 06/08 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications