2:1 Baluns/Ununs +2FB56-61 - 1/4" ID, RFI Range 200-1000 MHzStore/Ferrite Core Products/Mix 61/Slip On - Mix 61 - RFI Range 20-2000 MHzSKU FB56-61-1$2.50Bulk pricing available for quantities of 10 units or moreQuantity:1 Add More Add to CartGo to CheckoutBuy more, save moreQuantityPrice per itemDiscount10 items$2.0020% off100 items$1.7032% 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 itFB56-61 - 1/4" ID, RFI Range 200-1000 MHzStore/Ferrite Core Products/Mix 61/Slip On - Mix 61 - RFI Range 20-2000 MHzProduct DetailsInitial Permeability (@ 10KHz): 125Material: NiZnMax cable size - in/mm: .25/6.3OD (A) - in/mm: .562/14.3ID (B) - in/mm: .25/6.4Length (C) - in/mm: 1.125/28.6Z (ohms per bead - single turn 100 MHz): 205Z ohms (per bead - single turn 250 MHz): 295Z (ohms per bead - single turn 500 MHz): 370Z (ohms per bead - single turn 1000 MHz): 350Ferrite Slip On Bead - ID = .25 in/6.4mm - Mix 61, 1 pieceShow 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).