Common Mode Noise Filter – Coax +3 FB68-31 - 3/8" ID, RFI Range 1-300 MHz FB68-31 $1.75 In stock Quantity: 1 Add to Bag Product Details Initial Permeability (@ 10KHz): 1500 Material: MnZn Max cable size - in/mm: .25/6.3 OD (A) - in/mm: .687/17.45 ID (B) - in/mm: .375/9.5 Length (C) - in/mm: 1.125/28.6 Z (ohms per bead - single turn 1 MHz): 27 Z (ohms per bead - single turn 5 MHz): 69 Z (ohms per bead - single turn 10 MHz): 89 Z (ohms per bead - single turn 25 MHz): 138 Z (ohms per bead - single turn 100 MHz): 225 Z ohms (per bead - single turn 250 MHz): 265 Ferrite Slip On Bead, ID = .375in/9.5mm, Mix 31 Save this product for later Favorite Typical user comment: The filter was quite effective. Was surprised that it actually reduced the noise level more than the signal so S+N/N improved by 1.9 S units. Bill
