SRR1280-271K

T PL IA N M CO *R oH S Features Applications ■ Available in E12 values ■ Input/output of DC/DC converters ■ Inductance range as low as 1.1 µH ■ Power supplies for: - Portable communication equipment - Camcorders - LCD televisions 0 ■ Current rating to 10.2 amps 47 ■ RoHS compliant* SRR1280 Series - Shielded SMD Power Inductors Tol. (%) Q (Typ.) Test Freq. (MHz) SRF Typ. (MHz) ± 30 26 7.96 ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± 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 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 Inductance Bourns Part Number (μH) SRR1280-1R1Y 1.1 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 1.2 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 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 Inductance Test Frequency / Voltage RDC Max. (mΩ) I rms Max. (A) I sat Typ. (A) **KFactor 85 6.5 10.20 14.00 94 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 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 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 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 90 90 62 54 56 48 48 44 43 39 37 35 35 32 30 28 23 21 20 17 16 15 13 12 11 10 9 8 7 7 6 5 5 5 4 4 4 3 SRR1280-1R1Y to -8R2Y ... 100 kHz/1 V SRR1280-100M to -102K........ 1 kHz/1 V 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. Temperature Rise ....................40 °C max. at rated I rms Inductance Drop .......... 25 % typ. at I sat Moisture Sensitivity Level ..................... 1 ................. N/A Materials Core ............................Ferrite DR and RI Wire ............. Enameled copper wire 130 Terminal ....................................Cu/Ni/Sn Packaging .................... 400 pcs. per reel Product Dimensions 12.5 ± 0.3 (.492 ± .012) 100 7.5 ± 0.5 (.295 ± .020) 5.0 ± 0.3 (.197 ± .012) 7.0 TYP. (.276) Δ I (peak-to-peak ripple current, A), determine core loss from Core Loss vs. Flux Density plot. Electrical Schematic 12.5 ± 0.3 (.492 ± .012) Recommended Layout REF. 5.4 (.213) DIMENSIONS: MM (INCHES) * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov 2.9 (.114) REF. 6.8 (.268) REF. 2.9 (.114) REF. 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 SRR1280 Series SMD Power Inductors SRF0504 Series- -Shielded Line Filter Core Loss vs. Flux Density 10000 1000 Core Loss (mW) 100 10 1 0.1 0.01 0.001 10 330 DIA. (12.99) 1000 100 100 KHz 50 KHz 10 KHz 800 KHz 500 KHz 300 KHz 200 KHz 2.0 ± 0.5 (.079 ± .020) Flux Density Bp-p (gauss) 30.4 (1.197) 13.0 (.512) DIA. 21.0 ± 0.8 (.827 ± .031) 50.0 (1.969) 13.0 DIA. (.512) 24.0 (.945) 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 REV. 03/18 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. Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹ Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change ^P[OV\[UV[PJL