SRR0745A-271M Bourns

Features Shielded construction Inductance range: 10 to 1000 H Heating current up to 2.1 A Dimensions: 7.3 x 7.3 x 4.5 mm AEC-Q200 qualied RoHS compliant* and halogen free** SRR0745A Series - Shielded Power Inductors Electrical Specifications 25 C General Specifications Operating Temperature Inductance DCR I rms Bourns I sat ***K- 1 kHz / 1 V ................................-40 C to +125 C () Part Number (A) (A) Factor L (H) Tol. (%) Max. (Temperature rise included) Storage Temperature SRR0745A-100M 10 20 0.052 2.1 2.5 112 ................................-40 C to +125 C SRR0745A-120M 12 20 0.062 2.0 2.3 98 Temperature Rise SRR0745A-150M 15 20 0.075 1.9 2.1 88 .......................40 C typ. at rated Irms SRR0745A-180M 18 20 0.09 1.8 1.95 83 Inductance drop ...................25 % at Isat SRR0745A-220M 22 20 0.096 1.65 1.75 72 SRR0745A-270M 27 20 0.13 1.45 1.62 66 SRR0745A-330M 33 20 0.15 1.35 1.45 59 Materials SRR0745A-390M 39 20 0.19 1.17 1.3 55 Core ..............................................Ferrite SRR0745A-470M 47 20 0.21 1.05 1.2 50 Wire ............................Enameled copper SRR0745A-560M 56 20 0.24 0.95 1.1 47 Terminal Finish ...................................Sn SRR0745A-680M 68 20 0.3 0.86 0.96 41 Packaging .................. 1000 pcs. per reel SRR0745A-820M 82 20 0.4 0.78 0.9 38 SRR0745A-101M 100 20 0.45 0.7 0.78 34 SRR0745A-121M 120 20 0.55 0.6 0.7 32 Product Dimensions SRR0745A-151M 150 20 0.76 0.48 0.58 29 7.30 0.2 SRR0745A-181M 180 20 0.82 0.46 0.54 26 (.287 .008) SRR0745A-221M 220 20 0.95 0.42 0.5 23 SRR0745A-271M 270 20 1.2 0.38 0.46 22 SRR0745A-331M 330 20 1.5 0.34 0.4 20 7.30 0.2 SRR0745A-391M 390 20 1.85 0.32 0.36 18 (.287 .008) SRR0745A-471M 470 20 2.2 0.29 0.34 16 SRR0745A-561M 560 20 2.6 0.26 0.3 15 SRR0745A-681M 680 20 2.8 0.24 0.28 13 SRR0745A-821M 820 20 3.5 0.22 0.26 12 SRR0745A-102M 1000 20 4.1 0.2 0.24 11 ***K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(H) x I (peak-to-peak ripple current, A), determine core loss from Core Loss vs. Flux Density plot. 4.60 4.50 0.2 TYP. (.181) (.177 .008) Core Loss vs. Flux Density 2.00 10000 TYP. (.079) 1000 800 KHz 100 KHz 500 KHz 50 KHz 300 KHz 10 KHz 200 KHz 100 Recommended Layout 10 2.40 (.094) 1 1.50 1.50 0.1 (.059) (.059) 4.80 (.189) 0.01 100 1000 10000 MM DIMENSIONS: (INCHES) Flux Density Bp-p (gauss) * 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 Specications are subject to change without notice. Users should verify actual device performance in their specic Cancer and Reproductive Harm applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT & AEC-Q200 QUALIFIED Core Loss (mW)SRR0745A Series - Shielded Power Inductors Inductance vs. IDC SRR0745A-221M SRR0745A-470M SRR0745A-101M L 25 C L 125 C L 25 C L 125 C L 25 C L 125 C 60.0 120.0 250.0 50.0 200.0 90.0 40.0 150.0 30.0 60.0 100.0 20.0 30.0 50.0 10.0 0.0 0.0 0.0 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0.0 0.3 0.6 0.9 1.2 0.0 0.2 0.4 0.6 0.8 IDC (A) IDC (A) IDC (A) Temperature Rise vs. IDC SRR0745A-221M SRR0745A-470M SRR0745A-101M T 25 C T 25 C T 25 C 80.0 80.0 60.0 50.0 60.0 60.0 40.0 40.0 40.0 30.0 20.0 20.0 20.0 10.0 0.0 0.0 0.0 0.0 0.33 0.67 1.00 1.33 1.66 2.00 0.0 0.20 0.40 0.60 0.80 1.00 1.20 1.40 0.0 0.20 0.40 0.60 0.80 1.00 IDC (A) IDC (A) IDC (A) How to Order Electrical Schematic SRR0745A - 100M Model Value Code (see table) 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 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. T (C) L (H) L (H) T (C) L (H) T (C)