PL IA NT CO M *R oH S Features Applications Available in E12 values Input/output of DC/DC converters Inductance as low as 1.1 H Power supplies for: * Portable communication equipment * Camcorders * LCD TVs * Car radios 47 0 Current rating to 10.2 amps RoHS compliant* SRR1280 Series - Shielded SMD Power Inductors Electrical Specifications Inductance 100 kHz Bourns Part No. (H) SRR1280-1R1Y SRR1280-1R2Y SRR1280-1R4Y SRR1280-2R4Y SRR1280-3R3Y SRR1280-3R5Y SRR1280-4R5Y SRR1280-4R7Y SRR1280-5R6Y SRR1280-6R1Y SRR1280-6R8Y SRR1280-7R5Y SRR1280-7R6Y SRR1280-8R2Y SRR1280-100M SRR1280-120M SRR1280-150M SRR1280-180M SRR1280-220M SRR1280-270M SRR1280-330M SRR1280-390M SRR1280-470M SRR1280-560M SRR1280-680M SRR1280-820M SRR1280-101M SRR1280-121K SRR1280-151K SRR1280-181K SRR1280-221K SRR1280-271K SRR1280-331K SRR1280-391K SRR1280-471K SRR1280-561K SRR1280-681K SRR1280-821K SRR1280-102K 1.1 1.2 1.4 2.4 3.3 3.5 4.5 4.7 5.6 6.1 6.8 7.5 7.6 8.2 10.0 12.0 15.0 18.0 22.0 27.0 33.0 39.0 47.0 56.0 68.0 82.0 100.0 120.0 150.0 180.0 220.0 270.0 330.0 390.0 470.0 560.0 680.0 820.0 1000.0 Electrical Schematic Tol. % 30 30 30 30 30 30 30 30 30 30 30 30 30 30 20 20 20 20 20 20 20 20 20 20 20 20 20 10 10 10 10 10 10 10 10 10 10 10 10 Q Typ. Test Frequency (MHz) SRF Typ. (MHz) RDC Max. (m) I rms Max. (A) I sat Typ. (A) 26 28 24 20 20 20 20 22 20 20 20 16 15 22 24 26 26 24 20 26 28 24 24 24 20 20 18 16 24 24 24 20 18 20 20 20 26 20 40 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.252 85 83 80 45 40 36 34 30 24 23 22 21 21 20 17 15 13 12 11 10 9.5 8.5 7.5 7.0 6.5 5.0 4.5 4.3 4.1 4.0 3.4 3.1 2.9 2.7 2.2 2.0 1.7 1.4 1.3 6.5 18.0 9.8 10.0 12.0 12.0 13.5 15.5 16.0 18.0 18.5 17.5 20.0 20.5 19.5 28.0 28.5 35.0 38.6 52.0 57.0 70.0 80.0 100.0 120.0 130.0 150.0 200.0 270.0 300.0 400.0 450.0 600.0 680.0 880.0 960.0 1300.0 1500.0 1700.0 10.20 6.60 9.80 9.20 8.80 8.80 8.50 8.20 8.00 6.60 7.60 6.40 5.90 6.20 6.00 5.60 5.20 4.80 4.30 3.90 3.50 3.20 2.90 2.60 2.40 2.30 2.10 1.95 1.85 1.75 1.60 1.20 1.10 1.00 0.90 0.80 0.75 0.70 0.68 14.00 7.80 12.00 10.50 9.80 9.80 9.00 8.80 8.50 7.80 8.00 7.00 6.50 6.80 6.30 6.60 5.00 4.60 4.10 3.70 3.30 3.10 2.80 2.50 2.30 2.20 2.00 1.95 1.90 1.88 1.70 1.60 1.40 1.40 1.25 1.15 0.97 0.94 0.80 General Specifications Test Voltage.....................................0.1 V 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 10 sec. Materials Core ............................Ferrite DR and RI Wire .............Enameled copper wire 130 Terminal.....................................Cu/Ni/Sn Rated Current ....................Ind. drop 25 % typ. at Isat Temperature Rise ..................40 C max. at rated Irms Packaging ....................400 pcs. per reel Product Dimensions 12.5 0.3 (.492 .012) 100 12.5 0.3 (.492 .012) 7.5 0.5 (.295 .020) 5.0 0.3 (.197 .012) 7.0 TYP. (.276) Recommended Layout REF. 5.4 (.213) DIMENSIONS: 2.9 (.114) REF. *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. 6.8 (.268) REF. 2.9 (.114) REF. MM (INCHES) SRR1280 Series - Shielded SMD Power Inductors Packaging Specifications 330 DIA. (12.99) 2.0 0.5 (.079 .020) 30.4 (1.197) THICKNESS 0.10 (.004) MAX. 13.0 (.512) DIA. 21.0 0.8 (.827 .031) EMBOSSED CAVITY 50.0 (1.969) 13.0 DIA. (.512) EMBOSSED CARRIER 26 (1.024) 4.0 (.157) END 24 (.945) 100 100 START 100 20.0 (.787) NO COMPONENT COMPONENTS NO COMPONENT 400 (15.75) 200 (7.87) USER DIRECTION OF FEED QTY: 400 PCS. PER REEL DIMENSIONS: MM (INCHES) REV. 05/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.