SRF1280A-6R8Y

FR EE CO M P AE LIAN C T, CO * M *H PL A L IA O NT GE N & Applications ■ Multiple applications: parallel, series, ■ DC/DC converters ■ 10 1 *R oH S Features ■ ■ ■ ■ dual-inductor and transformer Magnetically shielded, low radiation Inductance range: 0.47 to 1000 μH Rated current up to 17.9 A AEC-Q200 compliant RoHS compliant* and halogen free** ■ Power supplies ■ SEPIC - DC/DC converters SRF1280A Series - Dual-Winding Shielded Power Inductors Electrical Specifications @ 25 °C General Specifications Parallel Rating Bourns Part No. SRF1280A-R47Y SRF1280A-1R0Y SRF1280A-1R5Y SRF1280A-2R2Y SRF1280A-3R3Y SRF1280A-4R7Y SRF1280A-6R8Y SRF1280A-8R2Y SRF1280A-100M SRF1280A-150M SRF1280A-220M SRF1280A-330M SRF1280A-470M SRF1280A-680M SRF1280A-820M SRF1280A-101M SRF1280A-151M SRF1280A-221M SRF1280A-331M SRF1280A-471M SRF1280A-681M SRF1280A-821M SRF1280A-102M Inductance @ 100 KHz L (μH) 0.47 1.0 1.5 2.2 3.3 4.7 6.8 8.2 10 15 22 33 47 68 82 100 150 220 330 470 680 820 1000 Tol. (%) ± 30 ± 30 ± 30 ± 30 ± 30 ± 30 ± 30 ± 30 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 DCR (Ω) Max. 0.0055 0.0067 0.0076 0.0092 0.011 0.0135 0.0183 0.0191 0.0241 0.0333 0.0503 0.0664 0.0898 0.123 0.153 0.175 0.261 0.343 0.54 0.865 1.296 1.632 1.992 Series Rating Irms (A) 17.9 15.5 13.5 12.5 10.4 8.25 7.34 6.32 6.04 5.03 4 3.23 2.95 2.44 2.09 1.96 1.59 1.29 1.04 0.85 0.76 0.65 0.61 Inductance @ 100 KHz Isat (A) 56 40 31.1 25.5 21.5 16.5 13.3 12.2 11.2 9.66 7.57 6.22 5.28 4.44 4.06 3.64 3.01 2.43 2.01 1.68 1.39 1.27 1.14 L (μH) 1.676 3.284 5.428 8.108 11.320 19.360 29.550 35.440 41.880 56.360 91.720 135.700 188.200 265.900 319.000 397.200 579.600 886.000 1294.000 1868.000 2707.000 3272.000 4020.000 Tol. (%) ± 30 ± 30 ± 30 ± 30 ± 30 ± 30 ± 30 ± 30 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 DCR (Ω) Max. 0.0216 0.026 0.0306 0.0338 0.04 0.05 0.0656 0.0714 0.0921 0.129 0.192 0.265 0.353 0.469 0.578 0.701 1.013 1.38 2.172 3.3 4.888 5.896 7.202 Irms (A) 8.94 7.74 6.77 6.23 5.23 4.13 3.67 3.16 3.02 2.51 2 1.61 1.47 1.22 1.04 0.98 0.796 0.645 0.522 0.427 0.38 0.325 0.307 Isat (A) 28 20 15.6 12.7 10.8 8.24 6.67 6.09 5.6 4.83 3.78 3.11 2.64 2.22 2.03 1.82 1.51 1.22 1.01 0.838 0.697 0.633 0.571 Test Voltage ..................................0.25 V Operating Temperature ................................-40 °C to +125 °C (Temperature rise included) Storage Temperature ................................-40 °C to +125 °C Temperature Rise .......................40 °C typ. at rated Irms Inductance drop ...................30 % at Isat Hi-pot (N1-N2) ................500 Vac/60 Hz, 3 mA, 1 sec Moisture Sensitivity Level ..................... 1 ESD Classification (HBM)................. N/A Materials Core ..............................................Ferrite Wire ............................Enameled copper Terminal Finish ...................................Sn Packaging .................... 400 pcs. per reel Product Dimensions 12.50 MAX. (.492) DOT INDICATES TERMINAL 1 12.50 (.492) MAX. Electrical Schematic 1 2 N1 N2 3 4 1 2 N1 1 N2 3 4 2 N1 4 3 PARALLEL 8.00 MAX. (.315) N2 SERIES 5.00 ± 0.3 (.197 ± .012) 4 3 1 2 5.00 ± 0.3 (.197 ± .012) Recommended Layout 4.50 (.177) 2.15 (.085) 1 1 2 4.50 (.177) 2.15 (.085) 2 13.00 (.512) 13.00 (.512) 4 3 1.28 (.050) DUAL INDUCTOR MODE 4 3 DIMENSIONS: MM (INCHES) 1.28 (.050) SERIES MODE 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. DIMENSIONS: 1.80 ± 0.2 (.071 ± .008) MM (INCHES) WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. SRF1280A Series - Dual-Winding Shielded Power Inductors Inductance vs. IDC SRF1280A-470M 50.0 SRF1280A-681M L @ 25 °C L @ 125 °C 30.0 L (µH) L (µH) 40.0 20.0 SRF1280A-102M L @ 125 °C 800.0 1200.0 600.0 900.0 L (µH) L @ 25 °C 400.0 0.0 0.0 1.1 2.2 3.3 300.0 0.0 0.0 4.4 L @ 125 °C 600.0 200.0 10.0 L @ 25 °C 0.3 0.6 0.9 0.0 0.0 1.2 0.2 0.4 IDC (A) IDC (A) 0.6 0.8 1.0 0.80 1.00 IDC (A) Temperature Rise vs. IDC SRF1280A-470M 100.0 SRF1280A-102M ΔT @ 25 °C 100.0 80.0 60.0 60.0 60.0 ΔT (°C) 80.0 40.0 40.0 20.0 20.0 0.0 0.0 1.13 2.25 3.38 4.50 0.0 0.0 0.28 0.55 0.83 1.10 0.0 0.0 0.20 0.40 0.60 IDC (A) IDC (A) How to Order Soldering Profile Preheat Area +4.0 °C / sec. max. 40.0 20.0 IDC (A) Temperature Rising Area ΔT @ 25 °C 100.0 80.0 ΔT (°C) ΔT (°C) SRF1280A-681M ΔT @ 25 °C 150~200 °C / 60~120 sec. Reflow Area SRF1280A - 100M Forced Cooling Area +3.0 °C / sec. max. Model -(1.0~5.0) °C / sec. max. Value Code (see table) 250 Temperature (°C) 217 °C Peak Temperature: 245 °C max. 60 ~ 150 sec. 60 sec. max. 200 150 Time Above 245 °C: 30 sec. max. 60 ~ 120 sec. 100 Time Above 217 °C: 60 ~ 150 sec. max. 50 0 50 100 150 200 250 Time (Seconds) 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. SRF1280A Series - Dual-Winding Shielded Power Inductors Packaging Specifications 2.0 ± 0.5 (.079 ± .020) 330 DIA. (12.99) 21.0 ± 0.8 (.827 ± .031) 30.4 (1.197) 13.0 ± 0.5 (.512 ± .020) DIA. 50.0 -0 (1.97 -0) 13.0 DIA. (.512) 24.0 (.945) 26 +0 (1.024 +0) 20.0 (.787) END NO COMPONENT 4.0 (.157) COMPONENTS START NO COMPONENT 400 (15.75) 200 (7.87) USER DIRECTION OF FEED QTY: 400 PCS. PER REEL DIMENSIONS: MM (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com www.bourns.com REV. 11/19 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