6:1 Balun for 300 ohms antenna to 50 ohms co-axial. High Power. W2FMI Jerry Sevi

Description

CWS  6:1 Balun. High Power. Current Type.
Designed by Jerry Sevick W2FMI Series
High Power K-type Powder Coated  Core 6:1 ratio;
To match a 300-ohm balance antenna to a 50-ohm co-axial input.
Frequency Range: 1.0 - 50 Mhz.
Powder coated aluminium enclosure and weatherproof for outdoor use. Designed for used in outdoor with rain, snow, or sunny hot weather condition. Note that it is not water proof and there is no need for waterproofing. All the parts used will not corrode or oxidize when exposed to the environment. Most of our customers have been using our balun and unun outdoors for over 20 years without any problems with the weather.
Specifications:
Frequency Range:
1.0 - 50 MHz
Ratio:
6
:1
Termination Impedance (Ohms):
3
00 balanced
Termination Location:
Top
Termination Type:
Ceramic feedthrough
Enclosure Type:
Weatherproof box
Enclosure Material:
Metal, powder coated
Core Type:
K-Type High Power Ferrite core
Power Handling (CW/SSB):
1 kW / 2 kW
Power Efficiency
: 97%
Enclosure Height:
5.55 inch. (6.8 inch with flange)
Enclosure Width:
3.81 inch.
Enclosure Depth:
2.37 inch.
Lowest Band of Operation:
300 meters
Highest Band of Operation:
6
meters
Antenna Mounting Type:
Antenna wires
Details:
This BAL-300 balun was personally designed by the late Dr. Jerry Sevick for our company. Custom K type core is used to obtain the widest bandwidth. UL rated 200 deg C thermoleze coated wires used. The wires are sleeved through teflon tubing for high voltage breakdown.
Highest voltage breakdown ratings.
Typically insertion loss is less than 0.2 dB with an efficiency of 97 percent.
BALUN is "
Current" type
Powder coated
Aluminum case with SO 239 connector and 2 ceramic feed through post as outputs.
Application:
For Folded Dipole using 300 Ω ribbon at 0.22 wavelength above ground