5:1 Unun 250Ohms to 50Ohms for broadband HF vertical antenna

This is a 5:1 Unun RF transformer ( unbalanced to unbalanced ) transmission line transformer 

designed to match 50Ω  to 250Ω, the efficiency is 99 percent

Technical specification :

Type :                                               5:1 unun

Frequency :                                      3.5MHz – 60MHz

Input Impedance:                             50Ω

Output Impedance:                          250Ω

Typical insertion loss:                       less than 0.15 dB

Power Handling(CW/SSB) :             150W /250W and 350W of peak power

Core Type :                                      Toroid Core by Multicomp®

Application :

Broadband HF vertical antenna

Package Contents

The package included:

- 6 Toroid Core by Multicomp®

- 2 PCB double layer

- 2 Copper tube 19mm X 60mm

This transformer requires a feed line choke to isolate the coax feed line from the antenna.

SHIPPING

We ship worldwide from French by Registered Air mail with tracking number.

Your item will be shipped next business day once payment received.

Delivery time depends on destination and Customs, usually it takes about 10-25 business days.