100 Features Applications Available in E12 series Input/output of DC/DC converters Height of 10 mm Power supplies for: Current rating up to 11 A Portable communication equipment RoHS compliant* Camcorders LCD TVs SRR1210 Series - Shielded SMD Power Inductors Electrical Characteristics Inductance Operating Temperature 1 kHz / 0.25 V Test ...............................-40 C to +125 C SRF DCR Q Frequency MHz max. I rms I sat **K- (Temperature rise included) Bourns Part No. uH Tol. % Ref. (MHz) Typ. (m) (A) (A) Factor Storage Temperature SRR1210-1R0Y 1.0 30 10 7.96 85 6.0 11.0 16.5 86 ...............................-40 C to +125 C Resistance to Soldering Heat SRR1210-1R8Y 1.8 30 10 7.96 56 7.5 10.2 13.2 67 .................................260 C for 5 sec. SRR1210-2R2Y 2.2 30 10 7.96 54 9.0 9.5 12.2 55 Rated Current SRR1210-3R3Y 3.3 30 15 7.96 44 10 9.0 10.5 46 ..............Ind. drop of 20 % typ. at Isat SRR1210-4R7Y 4.7 30 8 7.96 35 12 8.5 9.6 40 Temperature Rise .. 40 C typical at Irms SRR1210-5R6Y 5.6 30 12 7.96 28 14 8.0 8.5 35 Moisture Sensitivity Level .....................1 .................N/A SRR1210-6R8Y 6.8 30 12 7.96 20 15 7.9 8.3 32 SRR1210-8R2Y 8.2 30 11 7.96 16 17 7.3 7.5 29 Materials SRR1210-100M 10 20 16 2.52 12 18 6.5 6.5 26 Core ................................Ferrite DR & RI SRR1210-120M 12 20 14 2.52 18 22 6.3 6.1 24 Wire ........................... Enameled copper SRR1210-150M 15 20 16 2.52 10.5 32 5.8 5.3 21 Terminal coating ...................... Matte Sn SRR1210-180M 18 20 13 2.52 8.0 35 5.5 5.1 19 Packaging ....................250 pcs. per reel SRR1210-220M 22 20 16 2.52 8.0 38 5.2 4.5 17 SRR1210-270M 27 20 16 2.52 6.5 40 5.0 4.2 15 Product Dimensions SRR1210-330M 33 20 16 2.52 6.5 52 4.4 3.7 14 12.0 0.5 SRR1210-390M 39 20 16 2.52 4.5 66 4.2 3.5 13 (.472 .020) SRR1210-470M 47 20 16 2.52 4.5 72 3.8 3.1 12 SRR1210-560M 56 20 8 2.52 4.0 90 3.4 2.9 11 SRR1210-680M 68 20 12 2.52 3.8 102 3.0 2.7 10 12.0 0.5 SRR1210-820M 82 20 15 2.52 3.5 112 2.8 2.5 9 1R0 (.472 .020) SRR1210-101M 100 20 16 0.796 3.0 135 2.5 2.2 8 INDUCTANCE CODE SRR1210-121M 120 20 13 0.796 2.6 170 2.3 1.9 7 SRR1210-151M 150 20 12 0.796 2.2 190 2.2 1.8 7 SRR1210-181M 180 20 14 0.796 1.8 250 1.9 1.6 6 SRR1210-221M 220 20 15 0.796 1.8 315 1.7 1.5 5 10.0 SRR1210-271M 270 20 16 0.796 1.8 410 1.5 1.3 5 MAX. (.394) SRR1210-331M 330 20 14 0.796 1.8 450 1.4 1.2 4 SRR1210-391M 390 20 16 0.796 1.3 600 1.3 1.1 4 SRR1210-471M 470 20 12 0.796 0.85 820 1.2 1.0 4 4.9 SRR1210-561M 560 20 12 0.796 0.85 900 1.1 0.95 3 REF. (.193) SRR1210-681M 680 20 11 0.796 0.85 1200 1.0 0.85 3 SRR1210-821M 820 20 6 0.796 0.85 1320 0.85 0.75 3 SRR1210-102M 1000 20 22 0.796 0.85 1650 0.75 0.70 3 7.9 I (peak-to-peak ripple current, A), REF. (.311) determine core loss from Core Loss vs. Flux Density plot. Schematic Recommended Layout REF. 5.3 2.8 REF. (.209) (.110) MM DIMENSIONS: (INCHES) * RoHS Directive 2002/95/EC Jan. 27, 2003 including 7.3 annex and RoHS Recast 2011/65/EU June 8, 2011. REF. (.287) Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as WARNING Cancer and Reproductive Harm 2.8 set forth on the last page of this document, and at (.110) www.bourns.com/docs/legal/disclaimer.pdf www.P65Warnings.ca.gov REF. *RoHS COMPLIANT SRR1210 Series - Shielded SMD Power Inductors Core Loss vs. Flux Density 10000 1000 100 10 1 0.1 0.01 10 100 1000 1 MHz 300 KHz Flux Density Bp-p (gauss) 800 KHz 200 KHz 500 KHz 100 KHz 400 KHz 330 2.0 0.5 DIA. 30.4 (12.99) (.079 .020) (1.197) THICKNESS 0.10 13.0 (.004) 21.0 0.8 (.512) MAX. (.827 .031) DIA. EMBOSSED CAVITY 50.0 -0 (1.969 -0) 13.0 DIA. (.512) EMBOSSED 26 +0 CARRIER (1.024 +0) 20.0 4.0 (.787) (.157) END START 24.0 (.945) 1R0 1R0 1R0 1R0 NO COMPONENT COMPONENTS NO COMPONENT 200 400 (7.87) (15.75) USER DIRECTION OF FEED MM DIMENSIONS: QTY: 250 PCS. PER REEL (INCHES) REV. 03/18 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Core Loss (mW)