Ferrite Tutorials Ferrite Mix Selection Ferrite Cross Reference Ferrite Toroid Tech Specs Ferrite Chatter Noise RF Toroid Calculator by VK3CPU +3 FB56-61 - 1/4" ID, RFI Range 200-1000 MHz FB56-61-1 $2.50 In stock Quantity: 1 Add to Bag Product Details Initial Permeability (@ 10KHz): 125 Material: NiZn Max cable size - in/mm: .25/6.3 OD (A) - in/mm: .562/14.3 ID (B) - in/mm: .25/6.4 Length (C) - in/mm: 1.125/28.6 Z (ohms per bead - single turn 100 MHz): 205 Z ohms (per bead - single turn 250 MHz): 295 Z (ohms per bead - single turn 500 MHz): 370 Z (ohms per bead - single turn 1000 MHz): 350 Ferrite Slip On Bead - ID = .25 in/6.4mm - Mix 61, 1 piece Save this product for later Favorite Tutorials