2:1 Baluns/Ununs +2FSB61-1/4, ID=1/4", RFI Range 200-2000 MHzStore/Ferrite Core Products/Mix 61/Snap On - Mix 61 - RFI Range 200-2000 MHzSKU FSB61-1/4-1$3.95Bulk pricing available for quantities of 10 units or moreQuantity:1 Add More Add to CartGo to CheckoutBuy more, save moreQuantityPrice per itemDiscount10 items$3.5510% off100 items$3.3515% off500 items$3.1520% off1000 items$2.9725% offSave this product for later Favorite Favorited View FavoritesCustomer reviewsNo reviews yet. Only signed-in customers who bought this product can leave reviews. To leave a review, sign inShare this product with your friendsShareSharePin itFSB61-1/4, ID=1/4", RFI Range 200-2000 MHzStore/Ferrite Core Products/Mix 61/Snap On - Mix 61 - RFI Range 200-2000 MHzProduct DetailsInitial Permeability (@ 10KHz): 125Material: NiZnMax cable size - in/mm: .25/6.3OD (A) - in/mm: 1.22/14.3ID (B) - in/mm: .26/6.6Length (C) - in/mm: 1.55/39.4Z (ohms per bead - single turn 100 MHz): 230Z ohms (per bead - single turn 250 MHz): 355Z (ohms per bead - single turn 1000 MHz): 420Ferrite Snap On, ID = .26 in/6.6mm, Mix 61 Case lot size is 196 unitsShow More2:1 (100:50) Baluns are useful between 50 ohm coax and 100 ohm balanced lines for loops, cubical quads, log periodics and other antennas where the impedance at the end of the feedline is 100 ohms (1/2 wavelength feedline).