*R & oHS AE C C OM AP P PR LI OV A N ED T Features Shielded construction Inductance range: 1 to 47 H Heating current up to 5.1 A AEC-Q200 qualified RoHS compliant* and halogen free** SRR4818A Series - Shielded Power Inductors Bourns Part Number SRR4818A-1R0Y SRR4818A-1R5Y SRR4818A-2R2Y SRR4818A-3R3Y SRR4818A-3R9Y SRR4818A-4R7Y SRR4818A-5R6Y SRR4818A-6R8Y SRR4818A-8R2Y SRR4818A-100M SRR4818A-120M SRR4818A-150M SRR4818A-180M SRR4818A-220M SRR4818A-270M SRR4818A-330M SRR4818A-390M SRR4818A-470M Inductance @ 100 kHz/0.1 V L (H) Tol. (%) SRF (MHz) Typ. 1.0 1.5 2.2 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 30 30 30 30 30 30 30 30 30 20 20 20 20 20 20 20 20 20 140 105 90 70 65 55 50 45 43 40 37 30 28 25 22 20 17 16 How to Order Max. I rms1 (A) Typ. I rms2 (A) Typ. I sat (A) Typ. 25.0 35.0 45.0 55.0 70.0 80.0 90.0 100.0 130.0 140.0 170.0 220.0 280.0 360.0 400.0 500.0 540.0 630.0 4.00 3.75 2.70 2.50 2.20 2.00 1.75 1.65 1.55 1.45 1.30 1.25 1.10 1.00 0.90 0.70 0.63 0.60 5.10 4.70 3.50 3.10 2.70 2.60 2.30 2.20 1.90 1.80 1.60 1.50 1.40 1.25 1.15 0.90 0.80 0.75 3.60 3.00 2.43 2.10 1.90 1.50 1.35 1.25 1.15 1.05 0.95 0.87 0.79 0.72 0.63 0.56 0.53 0.47 DCR (m) Typ. 19.2 25.2 33.7 42.8 54.5 59.4 74.3 82.1 97.7 109.8 132.2 176.7 214.8 280.3 317.6 399.1 439.3 504.1 Electrical Schematic Operating Temp. ......... -40 C to +150 C (Temperature rise included) Storage Temperature .. -40 C to +150 C Temperature Rise ..................... 20 C typ. at rated Irms1 40 C typ. at rated Irms2 Rated Current ............ Inductance drops 35 % at Isat Moisture Sensitivity Level ..................... 1 .................N/A Materials Core ..............................................Ferrite Wire ............................Enameled copper Terminal Finish ...................................Sn Packaging ......... 800 pcs. per 7-inch reel Product Dimensions 4.80 0.20 (.189 .008) MARKED LINE INDICATES WINDING STARTING TERMINAL 4.80 0.20 (.189 .008) SRR4818A - 1R0Y Model Value Code (see table) 1.80 0.20 (.071 .008) Recommended Layout 1.98 (.078) 4.20 (.165) 1.60 0.20 (.063 .008) 1.60 0.20 (.063 .008) 1.17 (.046) Asia-Pacific: Tel: +886-2 2562-4117 Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 Fax: +1-951 781-5700 www.bourns.com 1.60 0.20 (.063 .008) DIMENSIONS: MM (INCHES) 1.98 (.078) DIMENSIONS: MM (INCHES) * 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. WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov 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. SRF0504 Filter Power Inductors SRR4818ASeries Series- Line - Shielded Inductance vs. IDC SRR4818A-1R5Y 100% 100% 100% 80% 80% 80% 60% L/LOA 120% 60% 40% 40% 20% 20% 20% 0% 0 1 2 3 4 0% 0 0.5 1.0 IDC (A) 2.0 2.5 3.0 0 100% 100% 100% 80% 80% 80% L/LOA 120% 60% 60% 40% 40% 20% 20% 20% 1.2 1.8 0 2.4 0.6 1.2 1.8 0 2.4 100% 100% 80% 80% 80% L/LOA 100% L/LOA 120% 60% 40% 40% 20% 20% 20% 0.3 0.6 0.9 1.2 0% 1.5 0.325 0.650 0.975 1.300 0 SRR4818A-100M 100% 100% 80% 80% 80% L/LOA 100% L/LOA 120% 60% 40% 40% 20% 20% 20% 0% 0% 0.4 0.6 IDC (A) 0.8 1.0 1.2 1.300 60% 40% 0.2 0.975 SRR4818A-150M SRR4818A-120M 120% 0% 0.650 IDC (A) 120% 0 0.325 IDC (A) 60% 1.70 0% 0 IDC (A) 1.36 60% 40% 0% 1.02 SRR4818A-8R2Y 120% 60% 0.68 IDC (A) SRR4818A-6R8Y SRR4818A-5R6Y 0 0.34 IDC (A) IDC (A) 120% 2.4 0% 0% 0.6 1.8 60% 40% 0% 1.2 SRR4818A-4R7Y SRR4818A-3R9Y 120% 0 0.6 IDC (A) 120% L/LOA L/LOA 1.5 IDC (A) SRR4818A-3R3Y L/LOA 60% 40% 0% L/LOA SRR4818A-2R2Y 120% L/LOA L/LOA SRR4818A-1R0Y 120% 0 0.2 0.4 0.6 IDC (A) 0.8 1.0 0 0.2 0.4 0.6 0.8 1.0 IDC (A) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and in this document are subject to specific legal disclaimers set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. SRF0504 Filter Power Inductors SRR4818ASeries Series- Line - Shielded Inductance vs. IDC (Continued) 100% 100% 80% 80% 80% 60% L/LOA 100% L/LOA 120% L/LOA 120% 60% 60% 40% 40% 40% 20% 20% 20% 0% 0% 0% 0 0.15 0.30 0.45 0.60 0.75 0 0.90 0.2 0.4 0.6 0 0.8 100% 100% 100% 80% 80% 80% 60% L/LOA 120% L/LOA 120% 60% 40% 40% 20% 20% 20% 0.3 0.4 0.5 0 0.6 0.6 0.7 0.5 0.6 0% 0% 0% 0.5 60% 40% 0.2 0.3 0.4 SRR4818A-470M SRR4818A-390M SRR4818A-330M 0.1 0.2 IDC (A) 120% 0 0.1 IDC (A) IDC (A) L/LOA SRR4818A-270M SRR4818A-220M SRR4818A-180M 120% 0.1 0.2 0.3 0.4 0.5 0 0.6 0.1 0.2 0.3 0.4 IDC (A) IDC (A) IDC (A) Temperature vs. IDC SRR4818A-1R0Y SRR4818A-1R5Y 40 32 30 20 T (C) 30 T (C) T (C) 40 20 10 10 0 1 2 3 4 5 6 24 16 8 0 0 0 0 1 2 IDC (A) 3 4 5 0 IDC (A) SRR4818A-3R3Y SRR4818A-3R9Y 40 40 40 20 T (C) 50 30 30 20 10 10 0.7 1.4 2.1 IDC (A) 2.8 3.5 2.1 2.8 3.5 30 20 10 0 0 1.4 SRR4818A-4R7Y 50 0 0.7 IDC (A) 50 T (C) T (C) SRR4818A-2R2Y 40 50 0 0 0.5 1.0 1.5 IDC (A) 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 IDC (A) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and in this document are subject to specific legal disclaimers set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. SRF0504 Filter Power Inductors SRR4818ASeries Series- Line - Shielded Temperature vs. IDC (Continued) ( ) 48 40 32 36 24 T (C) 40 T (C) T (C) 50 30 20 0 0 0 0.5 1.0 1.5 2.0 2.5 0 0.6 1.2 1.8 0 2.4 48 32 20 T (C) 40 T (C) 40 30 36 24 0.8 1.2 1.6 0 2.0 24 16 0 0 0 0.4 0.8 1.2 1.6 0 2.0 SRR4818A-220M SRR4818A-180M 40 40 T (C) 48 T (C) 50 24 30 20 10 12 0.6 0.9 1.2 1.5 0.3 20 0.6 0.9 1.2 1.5 0 SRR4818A-330M 48 40 10 T (C) 40 T (C) 50 36 24 0 0.6 IDC (A) 0.8 1.0 0.8 1.0 1.2 1.4 30 20 0 0 0.4 0.6 10 12 0.2 0.4 SRR4818A-470M SRR4818A-390M 60 0 0.2 IDC (A) 50 20 1.8 30 IDC (A) IDC (A) 30 1.5 0 0 1.8 1.2 10 0 0 0.9 SRR4818A-270M 50 0.3 0.6 IDC (A) 60 0 0.3 IDC (A) IDC (A) 36 2.0 8 12 10 1.5 SRR4818A-150M SRR4818A-120M 60 0.4 1.0 IDC (A) 50 0 0.5 IDC (A) SRR4818A-100M T (C) 16 0 3.0 IDC (A) T (C) 24 8 10 12 T (C) SRR4818A-8R2Y SRR4818A-6R8Y SRR4818A-5R6Y 60 0 0.2 0.4 0.6 IDC (A) 0.8 1.0 0 0.15 0.30 0.45 0.60 0.75 0.90 IDC (A) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and in this document are subject to specific legal disclaimers set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. SRF0504 Filter Power Inductors SRR4818ASeries Series- Line - Shielded Temperature Rising Area Preheat Area Reflow Area Forced Cooling Area +4.0 C/Sec. Max. 150~200 C / 60~120 Sec. +3.0 C/Sec. Max. -(1.0~5.0) C/Sec. Max. Peak Temperature: 260 C Temperature (C) 250 217 C 60~150 Sec. 200 Peak Temperature 260 max. Max. Peak Temperature -5 30 sec. max. Max. Time Above 217 : 60~150 sec. max. 60 Sec. Max. 150 60~120 Sec. 100 50 50 0 100 150 200 250 Time (Seconds) 178 DIA. (7.001) 2.0 0.5 (.079 .020) 21.0 0.8 (.827 .031) 16.5 (.650) 13.0 (.512) DIA. 50.0 -0 (1.969 - 0) 13.0 DIA. (.512) 12.0 (.472) 14.0 +0 (.551 +0) 8.0 (.315) 2.0 (.079) END 100 L eader no component 200 m/m min. 100 100 C omponents START 100 T railer no component 400 m/m min. USER DIRECTION OF FEED QTY: 800 PCS. PER REEL DIMENSIONS: MM (INCHES) REV. 08/17 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and in this document are subject to specific legal disclaimers set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 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