Ferrite Tutorials Ferrite Mix Selection Ferrite Cross Reference Ferrite Toroid Tech Specs Ferrite Chatter Noise RF Toroid Calculator by VK3CPU +3 FSB31-1/2, ID=1/2", RFI Range 1-300 MHz - Bulk 15 Pack FSB31-1/2-15 $69.95 In stock Quantity: 1 Add to Bag Product Details Initial Permeability (@ 10KHz): 1500 Material: MnZn Max cable size - in/mm: .5/12.7 OD (A) - in/mm: 1.22/31 ID (B) - in/mm: .514/13.1 Length (C) - in/mm: 1.55/5 Z (ohms per bead - single turn 1 MHz): 25 Z (ohms per bead - single turn 5 MHz): 71 Z (ohms per bead - single turn 10 MHz): 100 Z (ohms per bead - single turn 25 MHz): 156 Z (ohms per bead - single turn 100 MHz): 260 Z ohms (per bead - single turn 250 MHz): 260 : 15 : 4.663 Ferrite Snap On, ID = .514in/13.1 mm, Mix 31 - 15 pieces Save this product for later Favorite Tutorials