FC Series Radial Leaded Flat Coils SMC 1210 Surface Mount Chip Inductors SMC 1812 Surface Mount Chip Inductors 3.2 2.5 Surface Mount "Spring" Air +/-0.2 Core Inductors +/-0.2 SMT Series Surface Mount Toroids 2.2 +/-0.2 LFB Series Large Ferrite Bobbin Coils .60 1.75 Terminal Dimensions are in mm electrode SFB Series Small Ferrite Bobbin Coils MFB Series Miniature Ferrite Bobbin Coils Wilco Part Number Inductance Tolerance (uh) (%) Q Min. SRF Min. (MHz) DCR Max ldc Max. Amps Test Freq. (MHz) 28 30 30 30 30 30 28 28 30 30 30 30 30 30 30 30 30 30 30 20 20 20 700 450 350 300 220 160 120 85 75 60 50 43 36 30 25 17 15 12 10 10 8 7 0.44 0.25 0.32 0.40 0.50 0.60 0.70 0.85 1 1.2 1.7 2.0 2.5 3.2 4.0 5.6 7.0 9.0 10 11 15 17 0.45 0.45 0.45 0.45 0.45 0.45 0.40 0.37 0.32 0.26 0.22 0.18 0.15 0.13 0.11 0.07 0.06 0.05 0.04 0.07 0.065 0.06 100 25.2 25.2 25.2 25.2 25.2 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 0.796 0.796 0.796 0.796 DC Series Power Line Inductors SMC1210-R10M SMC1210-R15M SMC1210-R22M SMC1210-R33M SMC1210-R47M SMC1210-R68M SMC1210-1R0K SMC1210-1R5K SMC1210-2R2K SMC1210-3R3K SMC1210-4R7K SMC1210-6R8K SMC1210-100K SMC1210-150K SMC1210-220K SMC1210-330K SMC1210-470K SMC1210-680K SMC1210-101K SMC1210-121K SMC1210-151K SMC1210-181K 0.10 0.15 0.22 0.33 0.47 0.68 1.0 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 68 100 120 150 180 20 +/- 20 +/- 20 +/- 20 +/- 20 +/- 20 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- 10 +/- RLH Series Radial Leaded High Current FEATURES • Ideal for use in high density circuit design • Suitable for pick and place assembly • Excellent solderability by reflow soldering or soldering iron HCS / HCL Series Ferrite Rod Hash Chokes LF Series High Current Hash Chokes • Resistant to external shocks and pressure • Intermediate values available APPLICATIONS • DC to DC converters • Switching regulators • Power supplies • EMI/RFI filtering Wilco Corporation • Packaged 2,000 per reel • Temperature: Inductance change +/-10% max change in Q +/-20% max @ -20ºC to 80ºC. • Terminal Pull Strength: A 1Kg load applied to both terminals in the axis direction for 1 min. • Insulation Resistance: 1000 Mohms min 100VDC applied between terminal and case. 13 6451 Saguaro Ct. Indianapolis, IN 46268 Hotline 800•611•2343 Fax 317•293•9462 w w w. w i l c o c o r p. c o m