Balun Kits
AB-240-250 Balun Kit
The Kit contains:
FT-240-K Core
K material is used primarily in transmission line transformers from 1 MHz to 50 MHz.
The W2FMI baluns and ununs use this material.
Inner Diameter: 1.370 in. / 34.798 mm
Outer Diameter: 2.350 in. / 59.690 mm
Height: 0.500 in. / 12.7 mm
AL Value: 458
12.5 ft #14 wire
PTFE Tube
Perfect for insulating your enamel-coated wire, PTFE Tubing is sold by the foot.
For ease of use, we recommend buying tubing one size up from the wire you will be using. (ie. Use #12 tubing with #14 wire.)
Transmission Line Transformer Handbook
AB300A-10 Balun Kit
The Kit contains:
T300A-2 Iron Powder Core
2 Material
Permeability (µ) = 10
Frequency Range 2 Mhz – 30 Mhz
Color = Red
Inner Diameter: 1.930 in.
Outer Diameter: 3.040 in.
Height: 1.000 in.
AL Value: 228 µH/100 Turns
12 Ft #14 Thermaleze Wire
PTFE Tube
Perfect for insulating your enamel-coated wire, PTFE Tubing is sold by the foot. For ease of use, we recommend buying tubing one size up from the wire you will be using. (ie. Use #12 tubing with #14 wire.)
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