5:1 CUBE™ Unun – Model CU-5-1500 (50:250 Ohm, 1.8-61 MHz, 1.5KW PEP)
Application. For traveling wave, end fed or portable 20-31 foot vertical antennas the 5:1 unun makes a good transformer for converting 50 ohm coax to a 250 ohm feed point. If you use the antenna on multiple bands, the feed point impedance may not always be 250 ohms and use of the unun at high (>350 ohms) or low (<100 ohms) will require reduced power input or the unun may have its power ratings exceeded and damage to the unun may occur. The (5:1 conversion ratio will change for loads other than 250 ohms unbalanced.
Typical application:
Also available as a balanced output – CB-5-1500
FSB Mix 75 - RFI Range: 150 Khz-10 MHz
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Ferrite Mini Snap On Combo Pack, Mix 75, RFI Range 150 KHz-10 MHz - 6 filters
Ferrite Mini Snap On Combo Pack, Mix 75, RFI Range 150 KHz-10 MHz - 6 filters
SKU FMSCP-75-6
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Ferrite Snap On Combo Pack, MIx 75, RFI Range 150 KHz-10 MHz - 8 filters
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FSB75-1/2, ID=1/2", RFI Range 150Khz-10 MHz
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FSB75-3/4, ID=3/4", RFI Range 150Khz-10 MHz
FSB75-3/4, ID=3/4", RFI Range 150Khz-10 MHz
SKU FSB75-3/4-1
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FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz
FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz
SKU FSB75-3/8-1
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FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz, 10 Pack
FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz, 10 Pack
SKU FSB75-3/8-10
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FSB Mix 75 - RFI Range: 150 Khz-10 MHz
Refine by
On Sale
Ferrite Mini Snap On Combo Pack, Mix 75, RFI Range 150 KHz-10 MHz - 6 filters
Ferrite Mini Snap On Combo Pack, Mix 75, RFI Range 150 KHz-10 MHz - 6 filters
SKU FMSCP-75-6
List price
$85.00
Save 6%
$79.95
On Sale
Ferrite Snap On Combo Pack, MIx 75, RFI Range 150 KHz-10 MHz - 8 filters
Ferrite Snap On Combo Pack, MIx 75, RFI Range 150 KHz-10 MHz - 8 filters
SKU FSCP-75-8
List price
$140.00
Save 22%
$109.50
On Sale
FSB75-1/2, ID=1/2", RFI Range 150Khz-10 MHz
FSB75-1/2, ID=1/2", RFI Range 150Khz-10 MHz
SKU FSB75-1/2-1
List price
$15.95
Save 19%
$12.95
On Sale
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
FSB75-3/4, ID=3/4", RFI Range 150Khz-10 MHz
FSB75-3/4, ID=3/4", RFI Range 150Khz-10 MHz
SKU FSB75-3/4-1
$19.95
FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz
FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz
SKU FSB75-3/8-1
$11.25
On Sale
FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz, 10 Pack
FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz, 10 Pack
SKU FSB75-3/8-10
List price
$119.50
Save 17%
$99.50