Ferrite Tutorials Ferrite Mix Selection Ferrite Cross Reference Ferrite Toroid Tech Specs Ferrite Chatter Noise RF Toroid Calculator by VK3CPU +3 F50-61 ferrite Ring - .281" ID, .5" OD - RFI Range - 200-2000 MHz F50-61 $0.79 In stock Quantity: 1 Add to Bag Product Details MPN: F50-61 Initial Permeability (@ 10KHz): 125 Material: MnZn OD (A) - in/mm: .5/12,7 ID (B) - in/mm: .281/7.15 Length (C) - in/mm: .188/4.9 Ferrite Ring, ID = .281in/7.15mm, Mix 61 Save this product for later Favorite Tutorials