100 Features Shielded construction Inductance range: 1.0 to 1000 H Heating current up to 11 A Dimensions: 12 x 12 x 10 mm AEC-Q200 qualied RoHS compliant* and halogen free** SRR1210A Series - Shielded Power Inductors Electrical Specifications 25 C General Specifications Operating Temperature Inductance ................................. -40 C to +125 C SRF 1 kHz / Q Test DCR I rms Bourns Q I sat ***K- (Temperature rise included) 0.25 V Freq. (MHz) () Part Number Ref. (A) (A) Factor Storage Temperature (MHz) Max. L Tol. Typ................................ -40 C to +125 C (H) (%) Temperature Rise SRR1210A-1R0Y 1.0 30 10 7.96 85 0.006 11.0 16.5 86 .........................40 C typ. at rated Irms SRR1210A-1R8Y 1.8 30 10 7.96 56 0.075 10.2 13.2 67 Inductance drop .....................20 % at Isat SRR1210A-2R2Y 2.2 30 10 7.96 54 0.09 9.5 12.2 55 SRR1210A-3R3Y 3.3 30 15 7.96 44 0.01 9.0 10.5 46 Materials SRR1210A-4R7Y 4.7 30 8 7.96 35 0.012 8.5 9.6 40 Core ............................................... Ferrite SRR1210A-5R6Y 5.6 30 12 7.96 28 0.0135 8.0 8.5 35 Wire ..............................Enameled copper SRR1210A-6R8Y 6.8 30 12 7.96 20 0.015 7.85 8.3 32 Terminal Finish .................................... Sn Packaging ...................... 250 pcs. per reel SRR1210A-8R2Y 8.2 30 11 7.96 16 0.017 7.25 7.55 29 SRR1210A-100M 10 20 16 2.52 12 0.018 6.5 6.5 26 Product Dimensions SRR1210A-120M 12 20 14 2.52 18 0.022 6.3 6.1 24 12.0 0.5 SRR1210A-150M 15 20 16 2.52 10.5 0.032 5.8 5.3 21 (.472 .020) SRR1210A-180M 18 20 13 2.52 8 0.035 5.5 5.1 19 SRR1210A-220M 22 20 16 2.52 8 0.038 5.2 4.5 17 SRR1210A-270M 27 20 16 2.52 6.5 0.04 5.0 4.2 15 SRR1210A-330M 33 20 16 2.52 6.5 0.052 4.4 3.7 14 12.0 0.5 1R0 (.472 .020) SRR1210A-390M 39 20 16 2.52 4.5 0.066 4.2 3.5 13 INDUCTANCE SRR1210A-470M 47 20 16 2.52 4.5 0.072 3.8 3.1 12 CODE SRR1210A-560M 56 20 8 2.52 4 0.09 3.4 2.9 11 SRR1210A-680M 68 20 12 2.52 3.8 0.102 3.0 2.7 10 SRR1210A-820M 82 20 15 2.52 3.5 0.112 2.8 2.5 9 SRR1210A-101M 100 20 16 0.796 3 0.135 2.5 2.2 8 10.0 MAX. SRR1210A-121M 120 20 13 0.796 2.6 0.17 2.3 1.9 7 (.394) SRR1210A-151M 150 20 12 0.796 2.2 0.19 2.2 1.8 7 SRR1210A-181M 180 20 14 0.796 1.8 0.25 1.9 1.6 6 SRR1210A-221M 220 20 15 0.796 1.8 0.315 1.7 1.5 5 4.9 REF. (.193) SRR1210A-271M 270 20 16 0.796 1.8 0.41 1.5 1.3 5 SRR1210A-331M 330 20 14 0.796 1.8 0.45 1.4 1.2 4 SRR1210A-391M 390 20 16 0.796 1.3 0.6 1.3 1.1 4 SRR1210A-471M 470 20 12 0.796 0.85 0.82 1.2 1.0 4 7.9 REF. (.311) SRR1210A-561M 560 20 12 0.796 0.85 0.9 1.1 0.95 3 SRR1210A-681M 680 20 11 0.796 0.85 1.2 1.0 0.85 3 SRR1210A-821M 820 20 6 0.796 0.85 1.32 0.85 0.75 3 SRR1210A-102M 1000 20 22 0.796 0.85 1.65 0.75 0.7 3 ***K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(H) x I (peak-to-peak ripple current, Recommended Layout A), determine core loss from Core Loss vs. Flux Density plot. REF. 5.3 2.8 REF. How to Order Electrical Schematic (.209) (.110) SRR1210A - 100M Model 7.3 Value Code (see table) REF. (.287) WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. 2.8 ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less (b) the Chlorine (.110) REF. (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. Specications are subject to change without notice. Users should verify actual device performance in their specic MM applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the DIMENSIONS: (INCHES) last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT & AEC-Q200 QUALIFIED SRR1210A Series - Shielded Power Inductors Inductance vs. IDC SRR1210A-4R7Y SRR1210A-220M L 25 C L 125 C L 25 C L 125 C 6.0 25.0 5.0 20.0 4.0 15.0 3.0 10.0 2.0 5.0 1.0 0.0 0.0 0.0 2.0 4.0 6.0 8.0 10.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 IDC (A) IDC (A) SRR1210A-101M SRR1210A-102M L 25 C L 125 C L 25 C L 125 C 100.0 1200 1000 80.0 800 60.0 600 40.0 400 20.0 200 0.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0.0 0.2 0.4 0.6 0.8 1.0 IDC (A) IDC (A) Temperature Rise vs. IDC SRR1210A-4R7Y SRR1210A-220M T 25 C T 25 C 70.0 70.0 60.0 60.0 50.0 50.0 40.0 40.0 30.0 30.0 20.0 20.0 10.0 10.0 0.0 0.0 0.0 2.0 4.0 6.0 8.0 10.0 0.0 2.0 4.0 6.0 IDC (A) IDC (A) SRR1210A-101M SRR1210A-102M T 25 C T 25 C 70.0 80.0 70.0 60.0 60.0 50.0 50.0 40.0 40.0 30.0 30.0 20.0 20.0 10.0 10.0 0.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0.0 0.2 0.4 0.6 0.8 1.0 IDC (A) IDC (A) 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. L (H) T (C) T (C) L (H) T (C) L (H) T (C) L (H)