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

Description

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
the commercial model :
Comet CHA-250B . MFB-300HF . HA-750BL . FALCON OUT-250-B . GP2500F . JTV680 . VA250
use similar principles of impedance matching without a tuner.
DataSheet :
https://drive.google.com/file/d/1ullEFqJw_sKTWjC7iujSfkIio2XQZP45/view?usp=sharing
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.