NT IA PL † Ro HS CO M Ferrite Beads Special Features • Excellent EMI suppression capability at high frequency • Very low cost • Higher impedance can be achieved with 2 or more beads in series • Wider frequency range can be achieved with 2 beads of different material grade in series • Operating temperature: -55 °C to +105 °C • Storage temperature: -55 °C to +105 °C Part Number Material FB73-085-RC FB43-226-RC FB73-226-RC FB43-110-RC FB64-110-RC FB73-110-RC FB43-422-RC FB73-422-RC FB43-287-RC FB73-287-RC 73 43 73 43 64 73 43 73 43 73 FB Series Suggest Dim. Freq. Range A (MHz) (min/max) Dim. B (min/max) Dim. C (min/max) Up to 40 40 - 200 Up to 40 40 - 200 200 and up Up to 40 40 - 200 Up to 40 40 - 200 Up to 40 0.027/0.031 0.040/0.060 0.040/0.060 0.040/0.060 0.040/0.060 0.040/0.060 0.050/0.070 0.050/0.070 0.084/0.104 0.084/0.104 0.085/0.095 0.221/0.251 0.221/0.251 0.113/0.143 0.113/0.143 0.113/0.143 0.412/0.462 0.412/0.462 0.282/0.312 0.282/0.312 0.052/0.056 0.123/0.153 0.125/0.155 0.125/0.155 0.125/0.155 0.123/0.153 0.185/0.215 0.185/0.215 0.281/0.311 0.281/0.311 “-RC” suffix indicates RoHS compliance. † RoHS Directive 2002/95/EC Jan 27 2003 including Annex. C B A Dimensions: Inches Tel. (877) 426-8767 • Fax (951) 781-5006 REV. 03/08 www.bourns.com 13.1 Impedance vs. Frequency - Ferrite Beads Impedance (Ohms) 100 Impedance (Ohms) 1000 100 FB73-422 10 FB73-287 FB73-226 FB73-110 1 0.1 1 FB73-085 10 100 Frequency (MHz) 1 10 Frequency (MHz) 100 1000 Impedance (Ohms) Impedance (Ohms) 1 1000 1000 100 10 10 FB43-422 FB43-287 FB43-226 100 10 FB43-110 1 0.1 1 10 100 Frequency (MHz) 1000 1 0.1 FB64-110 1 Tel. (877) 426-8767 • Fax (951) 781-5006 13.2 www.bourns.com 10 100 Frequency (MHz) 1000