1812SDF-471

Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: frontiersales@frontierusa.com Web: http://www.frontierusa.com SMD Square Drum Ferrite-core Inductors—1812SDF series A. Electrical specifications: Part No. 1812SDF-1R0 1812SDF-1R5 1812SDF-2R2 1812SDF-3R3 1812SDF-4R7 1812SDF-6R8 1812SDF-100 1812SDF-150 1812SDF-220 1812SDF-330 1812SDF-470 1812SDF-680 1812SDF-101 1812SDF-151 1812SDF-221 1812SDF-331 1812SDF-471 Mark 1R0 1R5 2R2 3R3 4R7 6R8 100 150 220 330 470 680 101 151 221 331 471 L (uH) 1.00 1.50 2.20 3.30 4.70 6.80 10.0 15.0 22.0 33.0 47.0 68.0 100 150 220 330 470 Tolerance M M M M M, K M, K K, J K, J K, J K, J K, J K, J K, J K, J K, J K, J K, J Test Freq. 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms 1.0 MHz/1.0V rms SRF Min (MHz) 100 85.0 60.0 47.0 35.0 30.0 23.0 20.0 15.0 12.0 10.0 8.4 6.8 5.5 4.5 3.6 3.0 DCR (Ω) ± 40% 0.08 0.09 0.11 0.13 0.15 0.20 0.24 0.32 0.60 1.00 1.10 1.07 2.20 3.50 4.00 6.80 8.50 IDC Max. (A) 1.080 1.000 0.900 0.800 0.750 0.720 0.650 0.570 0.420 0.310 0.280 0.220 0.190 0.130 0.110 0.100 0.090 B. Mechanical dimensions: (Unit: mm) SERIES 1812SDF A 4.5 ± 0.30 B 3.2 ± 0.30 C 2.6 ± 0.30 D 1.0 (Min.) E 1.0 (Min.) F 4.0 Ref. Type 2 Type: 2 C. Feature: 1. 2. 3. 4. 5. 6. 7. 8. 9. Tolerance: J = ± 5%, K = ± 10%, M = ± 20%. Operating temperature: -25ºC 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 current. Temperature rises Δ t < 20ºC (Typical) at rated current. Suitable for IR re-flows soldering; Tape and reel packing. Murata P/N LQH43CN series compatible. 10. RoHS compliant. D. Applications: Power supply line choke. DC-DC Converters. Notebooks. Filters. Telecommunications devices. Special specifications are available for customer’s requirement. SMD Power Choke: P/N 1812SDF series Jan. 01, 2006. Page: 1 of 1