HF Impedance Transformer Kits

FSB31-1/4, ID=1/4"/6.3mm, RFI Range 1-300 MHz, Bulk lot of 25 pieces

SKU FSB31-1/4-25
$59.95
25
$2.40
1
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FSB31-1/4, ID=1/4"/6.3mm, RFI Range 1-300 MHz, Bulk lot of 25 pieces
Product Details
Initial Permeability (@ 10KHz): 1500
Material: MnZn
Max cable size - in/mm: .25/6.3
OD (A) - in/mm: .788/20
ID (B) - in/mm: .26/6.6
Length (C) - in/mm: 1.55/3.94
Z (ohms per bead - single turn 1 MHz): 28
Z (ohms per bead - single turn 5 MHz): 83
Z (ohms per bead - single turn 10 MHz): 105
Z (ohms per bead - single turn 25 MHz): 180
Z (ohms per bead - single turn 100 MHz): 310
Z ohms (per bead - single turn 250 MHz): 240

Ferrite Snap On, ID = .26 in/6.6mm, Mix 31, bulk lot of 25 pieces

fit RG8X, 58, 58, 6, audio, video, ethernet, small AC/DC cables and muany more with up to 1/4" outside diameter cable.

These impedance transformer kits have been designed for the Do-It-Yourself (DIY) enthusiast and Instructor workshops on baluns and ununs for antenna matching and RFI use.

The impedance transformers are classified in ratios of 2:1 (100:50 ohm) to 16:1 (800:50 ohm).  The outputs can be configured as balanced (Balun) or as unbalanced (unun) with respect to the inputs which are considered all unbalanced coax at 50 ohms.  All impedance transformers are designed for 1.8-31 MHz unless otherwise specified.