HF Impedance Transformer Kits

Slip On - Mix 31 - RFI Range 1-300 MHz

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581480185 - HF Impedance Transformer Kits
FB102-31 - 1/2" ID, RFI Range 1-300 MHz
FB102-31 - 1/2" ID, RFI Range 1-300 MHz
SKU FB102-31-1
$3.30
581480171 - HF Impedance Transformer Kits
FB56-31 - 1/4" ID, RFI Range 1-300 MHz
FB56-31 - 1/4" ID, RFI Range 1-300 MHz
SKU FB56-31-1
$1.65
On Sale
581480171 - HF Impedance Transformer Kits
FB56-31 - 1/4" ID, RFI Range 1-300 MHz, 10 Pieces
FB56-31 - 1/4" ID, RFI Range 1-300 MHz, 10 Pieces
SKU FB56-31-10
List price $16.50
Save 9%
$15.00
581498948 - HF Impedance Transformer Kits
FB56-31 - 1/4" ID, RFI Range 1-300 MHz, 80 Piece Bulk Pack
FB56-31 - 1/4" ID, RFI Range 1-300 MHz, 80 Piece Bulk Pack
SKU FB56-31-80
$110.00
581480178 - HF Impedance Transformer Kits
FB68-31 - 3/8" ID, RFI Range 1-300 MHz
FB68-31 - 3/8" ID, RFI Range 1-300 MHz
SKU FB68-31
$1.75
On Sale
1939449974 - HF Impedance Transformer Kits
Ferrite Sampler Pack, Mix 31, RFI Range 1-300 MHz - 25 filters- 1.4" ID Ring, Snap on 1/4, 3/8, 1/2, 3/4, 1, Slip On 1/2, 1/4
Ferrite Sampler Pack, Mix 31, RFI Range 1-300 MHz - 25 filters- 1.4" ID Ring, Snap on 1/4, 3/8, 1/2, 3/4, 1, Slip On 1/2, 1/4
SKU FSP-31-25
List price $127.00
Save 22%
$99.50
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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.