$10 And Under Items
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![HF Impedance Transformer Kits 581480183 - HF Impedance Transformer Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/581480183.jpg?ssl=1)
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
On Sale
![HF Impedance Transformer Kits 581480116 - HF Impedance Transformer Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/581480116.jpg?ssl=1)
FSB31-1/4, ID=1/4"/6.3mm, RFI Range 1-300 MHz
FSB31-1/4, ID=1/4"/6.3mm, RFI Range 1-300 MHz
SKU FSB31-1/4-1
List price
$3.95
Save 25%
$2.95
On Sale
![HF Impedance Transformer Kits 581480116 - HF Impedance Transformer Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/581480116.jpg?ssl=1)
FSB31-3/16, ID=3/16", RFI Range 1-300 MHz - Single Piece USB, Mouse, Keyboard, Audio cable size
FSB31-3/16, ID=3/16", RFI Range 1-300 MHz - Single Piece USB, Mouse, Keyboard, Audio cable size
SKU FSB31-3/16-1
List price
$3.95
Save 33%
$2.65
![HF Impedance Transformer Kits 581480122 - HF Impedance Transformer Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/581480122.jpg?ssl=1)
FSB31-3/4, ID=3/4", RFI Range 1-300 MHz
FSB31-3/4, ID=3/4", RFI Range 1-300 MHz
SKU FSB31-3/4-1
$6.95
![HF Impedance Transformer Kits 581480149 - HF Impedance Transformer Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/581480149.jpg?ssl=1)
FSB61-1/2, ID=1/2", RFI Range 200-2000 MHz
FSB61-1/2, ID=1/2", RFI Range 200-2000 MHz
SKU FSB61-1/2-1
$5.95
On Sale
![HF Impedance Transformer Kits 581480155 - HF Impedance Transformer Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/581480155.jpg?ssl=1)
FSB75-1/4, ID=1/4", RFI Range 150Khz-10 MHz
FSB75-1/4, ID=1/4", RFI Range 150Khz-10 MHz
SKU FSB75-1/4-1
List price
$19.95
Save 50%
$9.95
![HF Impedance Transformer Kits 3215425216 - HF Impedance Transformer Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/3215425216.jpg?ssl=1)
Side Eyebolt Kit - 1/4-20 Stainless Steel
Side Eyebolt Kit - 1/4-20 Stainless Steel
SKU SEK-1/4-1
$5.95
![HF Impedance Transformer Kits 581480973 - HF Impedance Transformer Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/581480973.jpg?ssl=1)
SO-239 Kit (female chassis connector + hardware)
SO-239 Kit (female chassis connector + hardware)
SKU SO-239 Kit-1/2
$3.95
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.