Features n Shielded construction n Metal alloy powder core n High saturation current n Flat wire n AEC-Q200 compliant n RoHS compliant* and halogen free** SRP4020FA Series Shielded Power Inductors Electrical Specifications 25 C Inductance I sat (A) I rms (A) 100 kHz / 1 V Typ. Typ. SRF DCR DCR Bourns Q (MHz) (m) (m) 20 C 40 C 10 % L 20 % L 30 % L Part Number L (H) Tol. % Min. Typ. Typ. Max. Temp. Rise Temp. Rise Drop Drop Drop SRP4020FA-R47M 0.47 20 % 30 90 6.0 6.8 9.8 13.2 7.0 10.0 14.0 SRP4020FA-R68M 0.68 20 % 20 73 7.3 8.2 9.2 12.0 5.2 8.0 11.6 SRP4020FA-R82M 0.82 20 % 20 62 8.6 9.5 8.5 11.5 4.8 6.5 10.2 SRP4020FA-1R0M 1.0 20 % 20 56 10.6 11.7 8.0 11.0 4.5 5.4 9.2 SRP4020FA-1R2M 1.2 20 % 20 53 12.2 13.4 7.2 9.5 4.3 5.0 8.6 SRP4020FA-1R5M 1.5 20 % 20 45 14.4 15.8 6.7 9.1 4.1 4.5 7.5 SRP4020FA-2R0M 2.0 20 % 15 40 21.15 23.3 6.2 8.2 3.2 4.0 6.2 SRP4020FA-2R2M 2.2 20 % 15 38 21.35 23.5 6.0 8.0 3.1 3.8 6.0 SRP4020FA-3R3M 3.3 20 % 15 26 34.2 38.3 4.4 5.5 2.7 3.4 5.3 SRP4020FA-4R7M 4.7 20 % 15 25 52.0 57.2 3.8 5.1 2.0 2.7 4.0 Product Dimensions General Specifications Operating Temperature 4.1 0.2 3.4 0.3 ................................-55 C to +155 C (.161 .008) (.134 .012) (Temperature rise included) Storage Temperature (Component) ................................-55 C to +155 C Rated Current ............. Inductance drops 0.88 0.2 1R0 4.1 0.2 1.6 0.25 (.035 .008) 10, 20 or 30 % at Isat (.161 .008) (.063 .010) Temperature Rise .................20 or 40 C 1625 1 at rated Irms MSL ......................................................1 ESD Classification (HBM) ................. N/A 1.9 0.2 Note 1: Circuit design, component, PCB trace size (.075 .008) MM and thickness, airflow and other cooling provisions all DIMENSIONS: (INCHES) affect the part temperature. Part temperature should be verified in the end application. How to Order Schematic Materials Core ..........................Metal alloy powder SRP4020FA - 1R0M Wire ............................Enameled copper Model Terminal Finish ...................................Sn Value Code (see table) Packaging ..... 3000 pcs. per 13-inch reel Recommended Layout 3.8 REF. (.150) Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com EMEA: Tel: +36 88 520 390 Email: eurocus bourns.com 3.4 REF. The Americas: Tel: +1-951 781-5500 Email: americus bourns.com (.134) www.bourns.com 1.4 REF. (.055) MM DIMENSIONS: WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov (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 1500(Cl) contentppm or is less. 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. 1R0 1702 *RoHS COMPLIANT, **HALOGEN FREE & AEC-Q200 COMPLIANTSRP4020FA Series Shielded Power Inductors L vs. I Charts SRP4020FA-R47M SRP4020FA-R68Y SRP4020FA-R82M 50 1.20 50 0.80 1.30 50 40 0.96 40 0.64 1.04 40 30 0.72 30 0.48 0.78 30 20 0.48 20 0.32 0.52 20 10 0.24 10 0.16 0.26 10 0 0 0 0 0 0 03.2 6.4 9.6 12.8 16.0 03 69 12 15 02.8 5.68.4 11.2 14.0 DC Current (A) DC Current (A) DC Current (A) SRP4020FA-1R0M SRP4020FA-1R2M SRP4020FA-1R5M 2.5 50 1.70 60 2.0 60 2.0 40 1.36 48 1.6 48 1.5 30 1.02 36 1.2 36 1.0 20 0.68 24 0.8 24 0.5 10 0.34 12 0.4 12 0 0 0 0 0 0 02.8 5.68.4 11.2 14.0 02 486 10 02.8 5.68.4 11.2 14.0 DC Current (A) DC Current (A) DC Current (A) SRP4020FA-2R0M SRP4020FA-2R2M SRP4020FA-3R3M 3.5 55 3.5 55 5.5 50 2.8 44 2.8 44 4.4 40 2.1 33 2.1 33 3.3 30 1.4 22 1.4 22 2.2 20 0.7 11 0.7 11 1.1 10 0 0 0 0 0 0 02 46 810 02 46 810 01.4 2.84.2 5.67.0 DC Current (A) DC Current (A) DC Current (A) SRP4020FA-4R7M 8.0 40 6.4 32 4.8 24 3.2 16 1.6 8 0 0 01 2345 DC Current (A) 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,www.bourns.com/docs/legal/disclaimer.pdf and at . Inductance (H) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C)