Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: http://www.frontierusa.com SMD Square Drum Ferrite-core Inductors—1210SDF series A. Electrical specifications: Part No. Mark L (uH) Tolerance Test Freq. (@ 0.1V rms.) SRF Min. (MHz) DCR Max. (Ω) IDC Max. (mA) 1210SDF-1R0 1210SDF-2R2 1210SDF-3R3 1210SDF-4R7 1210SDF-6R8 1210SDF-100 1210SDF-220 1210SDF-470 1210SDF-101 1210SDF-151 1210SDF-221 1210SDF-331 1210SDF-391 1210SDF-471 1210SDF-561 1R0 2R2 3R3 4R7 6R8 100 220 470 101 151 221 331 391 471 561 1.0 2.2 3.3 4.7 6.8 10 22 47 100 150 220 330 390 470 560 M M M M M M M, K M, K K, J K, J K, J K, J K, J K, J K, J 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 1.0 MHz 96.0 64.0 50.0 43.0 36.0 26.0 19.0 12.0 8.0 7.0 5.5 4.5 4.0 3.7 3.4 0.078 0.126 0.165 0.195 0.330 0.572 0.923 1.69 4.55 9.10 10.92 13.00 22.10 24.70 28.60 1000 790 500 450 400 300 250 170 100 80 70 60 60 60 60 B. Mechanical dimensions: (Unit: mm) SERIES A B C D E F Type 1210SDF 3.2 ± 0.30 2.5 ± 0.20 2.0 ± 0.25 1.3 ± 0.20 0.9 ± 0.30 2.3 Ref. 2 Type 2 C. Feature: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Tolerance: J = ± 5%, K = ± 10%, M = ± 20%. Operating temperature: -40ºC TO +85ºC. Electrical specifications at +25ºC. Inductance measured on the HP4284A LCR meter. DCR measured on the 502BC milli-ohm meter. Inductance drops no more than 10% at rated I sat. Temperature rises Δ t < 15ºC (Typical) at rated I rms. Suitable for IR re-flows soldering. Tape and reel packing. Above part numbers on the table is for “LEADED” parts; for RoHS parts, please add “-LFR” at the end of our Part number. D. Applications: Ä Power supply line choke. Ä DC-DC Converters. Ä Notebooks. Ä Filters. Ä Telecommunications devices. Ì Special specifications are available for customer’s requirement. SMD Power Choke: P/N 1210SDF series Rev. B Nov.-05, 2011. Page: 1 of 1