Balun Unun 1:49 - 49:1 For End Fed Half-Wave (EFHW) antenna 500W

Description

49:1 Unun
This is a unun ( unbalanced to unbalanced ) transmission line transformer designed to match 2450Ω  to 50Ω .
It has a constant impedance transformation ratio of 49:1 from 3.5MHz to 50MHz. The efficiency is 98 percent.
T
echnical specification :
Type :                                               49:1 Unun
Frequency :                                      3.5MHz – 50MHz
Turns ratio:
1:7
Impedance ratio:
1:49
Input Impedance:                             50Ω
Output Impedance:                          2450Ω
Power Handling(CW/SSB) :             250W /500W and 700W of peak power
Core Type :                                      FT240-43 by Fair-rite® Co.
Wire type:
Enamel copper wire 1.6 mm (AWG 14)
Insulation type :
PTFE
DataSheet
https://drive.google.com/file/d/1r9Qpbxz4fwuYs779XAs-TcX6fF-9VoyL/view?usp=sharing
Package Contents
You get what you see.
FT240-43 core by Fair-rite® winding with
Enamel copper wire (AWG 14)
Capacitor 100pF 40KV
Assembled and tested.
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.