HF Impedance Transformer Kits

FSB61-1/4, ID=1/4", RFI Range 200-2000 MHz

SKU FSB61-1/4-1
$3.95
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FSB61-1/4, ID=1/4", RFI Range 200-2000 MHz
Product Details
Initial Permeability (@ 10KHz): 125
Material: NiZn
Max cable size - in/mm: .25/6.3
OD (A) - in/mm: 1.22/14.3
ID (B) - in/mm: .26/6.6
Length (C) - in/mm: 1.55/39.4
Z (ohms per bead - single turn 100 MHz): 230
Z ohms (per bead - single turn 250 MHz): 355
Z (ohms per bead - single turn 1000 MHz): 420

Ferrite Snap On, ID = .26 in/6.6mm, Mix 61

Case lot size is 196 units

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.