*RoHS COMPLIANT & AEC APPROVED 22 Features Shielded construction Inductance range: 1.2 to 22 µh Heating current up to 5 A AEC-Q2 qualified RoHS compliant* and halogen free** SRRA Series - Shielded Power Inductors Bourns Part Number Inductance @ SRF DCR (mω) I rms 1 1 khz/.1 V (MHz) (A) L (μh) Tol. (%) Typ. Typ. Max. Typ. I rms 2 (A) Typ. I sat (A) Typ. SRRA-1R2Y 1.2 ± 3 155. 18.5. 3.5 5. 3. SRRA-1R8Y 1.8 ± 3 15. 22.7 3. 3. 4.6 2.5 SRRA-2R7Y 2.7 ± 3 8. 26.2 34. 2.5 4. 2.2 SRRA-3R9Y 3.9 ± 3 6..3 47. 2.2 3.4 1.8 SRRA-4R7Y 4.7 ± 3 5. 41.4 54. 2.1 3. 1.6 SRRA-6R8Y 6.8 ± 3 4. 57. 74. 1.65 2.6 1.3 SRRA-8R2Y 8.2 ± 3 35. 66.8 87. 1.6 2.4 1.25 SRRA-1M 1 ± 2 3. 76.4 1. 1.5 2.3 1.1 SRRA-M ± 2 27. 1. 5. 1.35 2..95 SRRA-15M 15 ± 2 25. 18.8 5. 1.3 1.8.92 SRRA-18M 18 ± 2 22. 5. 16. 1.2 1.7.8 SRRA-22M 22 ± 2 2. 5.9 185. 1.1 1.55.68 SRRA-33M 33 ± 2 15..2 26..9 1.4.6 SRRA-47M 47 ± 2 13. 215. 27..88 1.2.47 SRRA-M ± 2. 26.4 32..85 1.5.4 SRRA-68M 68 ± 2 11. 294.3 37..8.9.38 SRRA-82M 82 ± 2 1. 381.9..7.85.35 SRRA-11M 1 ± 2 8.5 495.3 6..65.7.33 SRRA-1M ± 2 8. 63. 76..5.65.3 SRRA-151M 15 ± 2 7. 713.9 86..45.6. SRRA-181M 18 ± 2 6. 899.1 18..43.55.26 SRRA-221M 22 ± 2 5.5 1.7 5..41.5. Operating Temp.... -4 C to +15 C (Temperature rise included) Storage Temperature.. -4 C to +15 C Temperature Rise... 2 C typ. at rated Irms 1 4 C typ. at rated Irms 2 Rated Current... Inductance drops 35 % at Isat Moisture Sensitivity Level...1...N/A Materials Core...Ferrite Wire...Enameled copper Terminal Finish...Sn Packaging... 5 pcs. per 7-inch reel Product Dimensions 4.8 ±.2 (.189 ±.8) MARKED LINE INDICATES WINDING STARTING TERMINAL 4.8 ±.2 (.189 ±.8) How to Order SRRA - 1R2Y Model Value Code (see table) Electrical Schematic 2.8 ±.2 (.11 ±.8) Recommended Layout 4.2 (.165) 1.98 (.78) 1.6 ±.2 (.63 ±.8) 1.6 ±.2 (.63 ±.8) Asia-Pacific: Tel: +886-2 22-4117 Fax: +886-2 22-4116 Europe: Tel: +41-41 768 5555 Fax: +41-41 768 551 The Americas: Tel: +1-951 781-55 Fax: +1-951 781-57 www.bourns.com 1.17 (.46) DIMENSIONS: MM (INCHES) 1.98 (.78) DIMENSIONS: 1.6 ±.2 (.63 ±.8) MM (INCHES) WARNING Cancer and Reproductive Harm www.p65warnings.ca.gov * RoHS Directive 215/863, Mar 31, 215 and Annex. ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 9 ppm or less; (b) the Chlorine (Cl) content is 9 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 15 ppm or less. 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.
SRF54 SRRA Series - Line - Shielded Filter Power Inductors Inductance vs. IDC SRRA-1R2Y % 1% 8% 6% 4% 2% % 1 2 3 4 SRRA-3R9Y % 1% 8% 6% 4% 2% %.6 1.2 1.8 2.4 SRRA-8R2Y % SRRA-1R8Y % 1% 8% 6% 4% 2% %.8 1.6 2.4 3.2 SRRA-4R7Y % 1% 8% 6% 4% 2% %.6 1.2 1.8 2.4 SRRA-1M % SRRA-2R7Y % 1% 8% 6% 4% 2% %.8 1.6 2.4 3.2 SRRA-6R8Y % 1% 8% 6% 4% 2% %.4.8 1.2 1.6 2. SRRA-M % 1% 1% 1% 8% 8% 8% 6% 6% 6% 4% 4% 4% 2% 2% 2% %.4.8 1.2 1.6 2. SRRA-15M % 1% %.4.8 1.2 1.6 SRRA-18M % 1% %.2.4.6.8 1. 1. 2 1.4 SRRA-22M % 1% 8% 8% 8% 6% 6% 6% 4% 4% 4% 2% 2% 2% %.2.4.6.8 1. 1. 2 %.2.4.6.8 1. 1. 2 %.2.4.6.8
SRF54 SRRA Series - Line - Shielded Filter Power Inductors Inductance vs. IDC (Continued) % SRRA-33M % SRRA-47M % SRRA-M 1% 1% 1% 8% 8% 8% 6% 4% 6% 4% 6% 4% 2% 2% 2% %.2.4.6.8 1. %.1.2.3.4.5.6 %.1.2.3.4.5.6 % SRRA-68M % SRRA-82M % SRRA-11M 1% 1% 1% 8% 8% 8% 6% 6% 6% 4% 4% 4% 2% 2% 2% %.1.2.3.4.5.6 %.1.2.3.4 %.1.2.3.4 % SRRA-1M % SRRA-151M % SRRA-181M 1% 1% 1% 8% 8% 8% 6% 6% 6% 4% 4% 4% 2% 2% 2% %.1.2.3.4 % 1% 8% SRRA-221M %.1.2.3.4 %.7.4.21..35 6% 4% 2% %.5.1.15.2.25.3
SRF54 SRRA Series - Line - Shielded Filter Power Inductors Temperature vs. IDC 7 SRRA-1R2Y 6 SRRA-1R8Y 6 SRRA-2R7Y 6 5 4 3 2 5 4 3 2 5 4 3 2 1 1 1 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 4 5 5 SRRA-3R9Y 7 SRRA-4R7Y 7 SRRA-6R8Y 4 6 5 6 5 3 2 1 4 3 2 1 4 3 2 1 1 2 3 4 1 2 3 4.7 1.4 2.1 2.8 3.5 8 SRRA-8R2Y 6 SRRA-1M 6 SRRA-M 6 4 2.7 1.4 2.1 2.8 3.5.6 1.2 1.8 2.4 3..5 1. 1.5 2. 2.5 7 SRRA-15M 5 SRRA-18M 6 SRRA-22M 4 3 2 1.5 1. 1.5 2. 2.5.5 1. 1.5 2..5 1. 1.5 2.
SRF54 SRRA Series - Line - Shielded Filter Power Inductors Temperature vs. IDC (Continued) 6 SRRA-33M 5 SRRA-47M 5 SRRA-M 4 4 3 2 3 2 1 1.25.5.75 1. 1.25 1.5 1.75.25.5.75 1. 1.25 1.5.2.4.6.8 1. 1.2 7 SRRA-68M 6 SRRA-82M 7 SRRA-11M.2.4.6.8 1. 1.2 1.4.2.4.6.8 1. 1.2.2.4.6.8 1. 7 SRRA-1M 7 SRRA-151M 8 SRRA-181M 6 4 2.15.3.45.6.75.9.15.3.45.6.75.9.1.2.3.4.5.6.7 6 SRRA-221M.....7
SRF54 Series - Line Filter SRRA Series - Shielded Power Inductors Temperature Rising Area Preheat Area Reflow Area Forced Cooling Area Temperature ( C) 25 2 15 1 5 +4. C/Sec. Max. 15~2 C / 6~ Sec. +3. C/Sec. Max. -(1.~5.) C/Sec. Max. 6~ Sec. Peak Temperature: 26 C 6~15 Sec. 6 Sec. Max. 217 C Peak Temp. 26 max. Max. Peak Temp. -5 3 sec. max. Max. Time Above 217 : 6~15 sec. max. 5 1 15 2 25 Time (Seconds) 178 (7.1) DIA. 2. ±.5 (.79 ±.2) 16.5 (.65) 21. ±.8 (.827 ±.31) 13. (.5) DIA. 5. - (1.969 - ) 13. (.5) DIA.. + (.551 +). (.472) END 2. (.79) 8. (.315) START 1 1 1 1 1 Leader no component 2 m/m min. Components Trailer no component 4 m/m min. USER DIRECTION OF FEED QTY: 5 PCS. PER REEL DIMENSIONS: MM (INCHES) REV. 8/17
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