7.6 MAX. (.299) DOT INDICATES TERMINAL 1 7.6 (.299) 8R2 MAX. Features Applications 3.4 0.2 n Multiple configurations: parallel, series, n DC/DC converters (.134 .008) dual-inductor and transformer n Power supplies n Magnetically shielded, low radiation n SEPIC - DC/DC converters 2.9 TYP. (.114) n Inductance range: 8.2 to 600H 4 3 2.7 n Heating current up to 2.19 A (.106) n AEC-Q200 compliant TYP. n RoHS compliant* and halogen free** SRF0703A Series - Dual-Winding Shielded Power Inductors 1 2 1.0 TYP. Electrical Specifications 25 C General Specifications (.039) Operating Temperature Parallel Rating Series Rating ................................-40 C to +125 C Inductance Inductance (Temperature rise included) 100 kHz / DCR 100 kHz / DCR Storage Temperature 0.25 V (W) Irms Isat 0.25 V (W) Irms Isat 7.6 MAX. Bourns Part No. L (H) 20 % Max. (A) (A) L (H) 20 % Max. (A) (A) ................................-40 C to +125 C (.299) 3.0 3.0 0.4 0.4 Temperature Rise SRF0703A-8R2M 8.2 0.0772 2.19 2.66 34.1 0.306 1.1 1.33 (.118) (.118) DOT (.016) (.016) .......................40 C typ. at rated Irms SRF0703A-100MINDICATES 10 0.0826 2.08 2.47 39.6 0.342 1.04 1.24 TERMINAL 1 Inductance Drop ...........30 % typ. at Isat 1 2 1 2 SRF0703A-150M 15 0.119 1.83 2.05 59.6 0.47 0.916 1.03 Hi-pot (N1-N2) ................500 Vac/60 Hz, 7.6 SRF0703A-220M 22 0.15 1.62 1.67 89.5 0.62 0.811 0.83 3 mA, 1 sec (.299) 7.9 7.9 8R2 MAX. SRF0703A-330M 33 0.24 1.31 1.35 140.5 1.0 0.653 0.68 Moisture Sensitivity Level .....................1 (.311) (.311) ESD Classification (HBM) ................. N/A SRF0703A-470M 47 0.338 1.08 1.14 194.2 1.28 0.542 0.57 4 3 4 3 SRF0703A-680M 68 0.507 0.89 0.96 289.3 1.92 0.444 0.48 Materials 1.4 1.4 SRF0703A-820M 82 0.61 0.86 0.89 324.7 2.28 0.43 0.44 (.055) (.055) Core ..............................................Ferrite SRF0703A-101M 100 0.715 0.73 0.79 397.6 2.64 0.367 0.39 DUAL INDUCTOR MODE SERIES MODE Wire ............................Enameled copper SRF0703A-151M 150 0.986 0.58 0.65 608.2 3.63 0.289 0.32 3.4 0.2 Terminal Finish ...................................Sn (.134 .008) SRF0703A-221M 220 1.48 0.52 0.53 922.6 5.5 0.26 0.27 Packaging .................. 1500 pcs. per reel SRF0703A-331M 330 2.16 0.42 0.44 1335 8.25 0.211 0.22 Product Dimensions 2.9 TYP. (.114) Electrical Schematics 4 3 7.6 MAX. 2.7 (.299) (.106) TYP. 1 2 1 2 1 2 DOT INDICATES TERMINAL 1 7.6 N1 N2 (.299) N1 N2 N1 N2 8R2 MAX. 1 2 1.0 3 4 3 4 3 4 TYP. (.039) PARALLEL SERIES 3.4 0.2 Recommended Layout (.134 .008) 3.0 3.0 0.4 0.4 (.118) (.118) (.016) (.016) 2.9 TYP. (.114) 4 3 1 2 1 2 2.7 (.106) TYP. 7.9 7.9 (.311) (.311) 4 3 4 3 MM DIMENSIONS: (INCHES) 1.4 1.4 (.055) (.055) DUAL INDUCTOR MODE SERIES MODE 1 2 1.0 TYP. (.039) MM DIMENSIONS: (INCHES) * RoHS Directive 2015/863, Mar 31, 2015 and Annex. 3.0 3.0 0.4 0.4 **Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less (b) the Chlorine (.118) (.118) 1 2 1 2 1 2 (.016) (.016) (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content1500 ppm is or less. Specifications are subject to change without notice. WARNING 1 2 1 2 Users should verify actual device performance in their specific applications. Cancer and Reproductive Harm The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of N1 N2 N1 N2 N1 N2 www.P65Warnings.ca.gov this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 7.9 7.9 (.311) (.311) 4 3 4 3 3 4 3 4 3 4 1.4 1.4 (.055) (.055) PARALLEL SERIES DUAL INDUCTOR MODE SERIES MODE 1 2 1 2 1 2 N1 N2 N1 N2 N1 N2 3 4 3 4 3 4 PARALLEL SERIES 470 *RoHS COMPLIANT VERSIONS AVAILABLE *RoHS COMPLIANT LEAD FREE *RoHS and AEC-Q200 COMPLIANT LEAD FREE VERSIONS ARE RoHS COMPLIANT* *RoHS COMPLIANT & AEC APPROVED *RoHS COMPLIANT, **HALOGEN FREE & AEC COMPLIANT SRF0703A Series Dual-Winding Shielded Power Inductors How to Order SRF0703A - 100M Model Value Code (see table) Inductance vs. IDC SRF0703A-8R2M SRF0703A-220M SRF0703A-680M L 25 C L 125 C L 25 C L 125 C L 25 C L 125 C 10.0 30.0 SRF0703A-8R2M 100.0 SRF0703A-220M SRF0703A-680M L 25 C L 125 C L 25 C L 125 C L 25 C L 125 C 25.0 8.0 10.0 30.0 80.0100.0 20.0 25.0 8.0 6.0 60.080.0 15.0 20.0 4.0 6.0 40.060.0 10.0 15.0 2.04.0 20.0 40.0 5.0 10.0 0.0 0.0 0.0 2.0 20.0 5.0 0.0 0.8 1.6 2.4 3.2 0.0 0.5 1.0 1.5 2.0 0.0 0.3 0.6 0.9 1.2 IDC (A) IDC (A) 0.0 0.0 IDC (A) 0.0 0.0 0.8 1.6 2.4 3.2 0.0 0.5 1.0 1.5 2.0 0.0 0.3 0.6 0.9 1.2 SRF0703A-151M IDC (A) IDC (A) IDC (A) L 25 C L 125 C 200.0 SRF0703A-151M L 25 C L 125 C 200.0 150.0 150.0 100.0 100.0 50.0 50.0 0.0 0.0 0.2 0.4 0.6 0.8 IDC (A) 0.0 0.0 0.2 0.4 0.6 0.8 IDC (A) SRF0703A-8R2M Temperature Rise vs. IDC SRF0703A-220M SRF0703A-680M T 25 C T 25 C T 25 C 100.0 80.0 60.0 SRF0703A-8R2M SRF0703A-680M SRF0703A-220M T 25 C T 25 C 50.0 T 25 C 80.0 60.0 100.0 80.0 60.0 40.0 50.0 60.0 80.0 60.0 40.0 30.0 40.0 40.060.0 20.0 40.0 30.0 20.0 20.040.0 10.0 20.0 20.0 0.0 20.0 0.0 0.0 10.0 0.0 0.8 1.6 2.4 3.2 0.0 0.5 1.0 1.5 2.0 0.0 0.3 0.6 0.9 1.2 IDC (A) 0.0 IDC (A) IDC (A) 0.0 0.0 0.0 0.8 1.6 2.4 3.2 0.0 0.5 1.0 1.5 2.0 0.0 0.3 0.6 0.9 1.2 SRF0703A-151M IDC (A) IDC (A) IDC (A) T 25 C 80.0 SRF0703A-151M T 25 C 80.0 60.0 60.0 40.0 40.0 20.0 20.0 0.0 0.0 0.2 0.4 0.6 0.8 Specifications are subject to change without notice. IDC (A) Users should verify actual device performance in their specific applications. 0.0 0.0 0.2 0.4 0.6 0.8 The products described herein and this document are subject to specific legal disclaimers as set forth on the IDC (A) last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. L (H) T (C) T (C) L (H) T (C) T (C) L (H) L (H) T (C) T (C) L (H) L (H) L (H) T (C) L (H) T (C)