Ferrite Toroid/Ring Cores +3 FSB61-1/2, ID=1/2", RFI Range 200-2000 MHz FSB61-1/2-1 $5.95 In stock Quantity: 1 Add to Bag Product Details Initial Permeability (@ 10KHz): 125 Material: NiZn Max cable size - in/mm: .5/12.7 OD (A) - in/mm: 1.14/29 ID (B) - in/mm: .514/13.1 Length (C) - in/mm: 1.14/29 Z (ohms per bead - single turn 100 MHz): 205 Z ohms (per bead - single turn 250 MHz): 320 Z (ohms per bead - single turn 500 MHz): 435 Z (ohms per bead - single turn 1000 MHz): 457 Ferrite Snap On, ID = .514in/13.1 mm, Mix 61 Save this product for later Favorite