SRR1240-821K Bourns

Features Applications Available in E12 values Input/output of DC/DC converters Height of 4.5 mm maximum Power supplies for: Current rating to 9.3 amps Portable communication equipment RoHS compliant* Camcorders LCD TVs SRR1240 Series - Shielded SMD Power Inductors Inductance Test Voltage ....................................0.1 V 100 KHz Test I rms I sat SRF RDC Operating Temperature Q Freq. Max. Max. Typ. **K- Typ...............................-40 C to +125 C Bourns Part No. (H) Tol. % Typ. (MHz) (MHz) (m) (A) (A) Factor (Temperature rise included) SRR1240-1R0Y 1.0 30 10 7.96 85 7.0 9.30 9.20 160 Storage Temperature SRR1240-1R5Y 1.5 30 16 7.96 80 9.5 9.20 9.00 131 ................................-40 C to +125 C SRR1240-2R4Y 2.4 30 10 7.96 54 11.5 8.00 7.80 111 Resistance to Soldering Heat SRR1240-3R3Y 3.3 30 14 7.96 43 15.0 6.80 6.50 96 ............................... 260 C for 10 sec. SRR1240-3R9Y 3.9 30 14 7.96 39 15.0 6.35 6.20 96 Moisture Sensitivity Level .....................1 SRR1240-4R7M 4.7 20 16 7.96 33 18.0 6.00 5.60 85 ................. N/A SRR1240-5R6M 5.6 20 14 7.96 35 20.0 5.40 5.10 76 SRR1240-6R8M 6.8 20 14 7.96 34 23.0 5.20 4.70 69 Materials SRR1240-8R2M 8.2 20 10 7.96 32 27.0 4.50 4.30 63 Core ............................... Ferrite DR & RI SRR1240-100M 10.0 20 17 2.52 27 32.0 4.00 4.00 58 Wire ............. Enameled copper wire 130 SRR1240-120M 12.0 20 16 2.52 25 38.0 3.80 3.60 50 Terminal ....................................Cu/Ni/Sn SRR1240-150M 15.0 20 16 2.52 22 47.0 3.50 3.20 47 Rated Current SRR1240-180M 18.0 20 14 2.52 20 55.0 3.20 3.00 41 ...............Ind. drop of 25 % typ. at Isat SRR1240-220M 22.0 20 18 2.52 16 67.5 3.00 2.60 37 Temperature Rise SRR1240-270M 27.0 20 16 2.52 15.5 85.0 2.55 2.35 34 .....................40 C max. at rated Irms SRR1240-330M 33.0 20 19 2.52 15 97.0 2.30 2.10 31 Packaging .................... 800 pcs. per reel SRR1240-390M 39.0 20 14 2.52 14 120.0 2.15 2.00 28 SRR1240-470M 47.0 20 19 2.52 13 135.0 2.00 1.80 26 Product Dimensions SRR1240-560M 56.0 20 16 2.52 12 170.0 1.80 1.65 24 12.5 0.3 SRR1240-680M 68.0 20 19 2.52 11 200.0 1.50 1.50 22 (.492 .012) SRR1240-820M 82.0 20 16 2.52 10 250.0 1.35 1.35 20 SRR1240-101M 100.0 20 14 0.796 8 300.0 1.25 1.20 18 SRR1240-121K 120.0 10 12 0.796 7.8 370.0 1.20 1.15 16 SRR1240-151K 150.0 10 12 0.796 7.5 440.0 1.10 1.05 14 12.5 0.3 100 SRR1240-181K 180.0 10 12 0.796 7.0 550.0 0.98 0.95 13 (.492 .012) SRR1240-221K 220.0 10 12 0.796 6.6 660.0 0.92 0.90 12 SRR1240-271K 270.0 10 10 0.796 6.0 780.0 0.80 0.80 11 SRR1240-331K 330.0 10 12 0.796 5.5 950.0 0.75 0.75 10 SRR1240-391K 390.0 10 12 0.796 5.0 1150.0 0.70 0.65 9 4.0 0.5 SRR1240-471K 470.0 10 12 0.796 4.5 1350.0 0.62 0.60 8 (.157 .020) SRR1240-561K 560.0 10 12 0.796 4.0 1500.0 0.55 0.52 7 SRR1240-681K 680.0 10 14 0.796 3.8 2000.0 0.50 0.48 7 SRR1240-821K 820.0 10 10 0.796 3.5 2400.0 0.45 0.42 6 SRR1240-102K 1000.0 10 16 0.252 2.8 3000.0 0.42 0.40 6 I (peak-to-peak ripple current, A), determine core loss from Core Loss vs. Flux Density plot. 5.0 0.3 (.197 .012) Recommended Layout Electrical Schematic 5.4 REF. (.213) 7.0 TYP. (.276) 6.8 (.268) 2.9 2.9 REF. MM (.114) (.114) DIMENSIONS: REF. REF. (INCHES) *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specications are subject to change without notice. Users should verify actual device performance in their specic WARNING Cancer and Reproductive Harm applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 100 *RoHS COMPLIANT SRR1240 Series - Shielded SMD Power Inductors Core Loss vs. Flux Density 10000 1000 800 KHz 500 KHz 100 300 KHz 200 KHz 100 KHz 10 50 KHz 10 KHz 1 0.10 0.01 10 100 1000 Flux Density Bp-p (gauss) 330 2.0 0.5 DIA. 30.4 (12.99) (.079 .020) (1.197) 13.0 0.5 21.0 0.8 (.512 .020) (.827 .031) DIA. 50.0 (1.969) 13.0 0.5 DIA. (.512 .020) 26 (1.024) 4 (.157) END START 24 MM DIMENSIONS: (.945) 100 100 100 (INCHES) 16.0 5.3 (.63) (.209) NO COMPONENT COMPONENTS NO COMPONENT 160 390 (6.299) (15.354) USER DIRECTION OF FEED QTY: 800 PCS. PER REEL 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)