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MFJ-260C Dummy Load
The MFJ-260C Dummy load is a dry, air cooled, resistive dummy load. This resistor load
is capable of dissipating RF power without the bulk or mess of oil or other coolants. It is
capable of handling up to 300 Watts for a short period of time. For added convenience a
derating curve is shown below and on the end plate of the dummy load.
Operation
1. Become familiar with the duty cycle derating curve so that over heating of the resistor
is avoided.
2. Connect the transmitter or amplifier to the input of the dummy load with a PL-259
connector.
3. Always allow a 2 to 3 minute cool down when operating the dummy load at it's
maximum duty cycle ratings.
NOTE: Do not let the dummy load overheat. If the dummy load resistor overheats it may
be damaged. Allow the dummy load to cool before touching it.
Derating curve
Version 0B
MFJ Dummy Load
model MFJ-260C
IMPEDANCE:
VSWR:
POWER
DISSIPATION: (2 min cooldown)
DIMENSIONS:
Instruction Manual
Specifications
50 Ohms, ± 10 %
Max: 1.3:1,
0-650 MHz
300 Watts for 30 seconds
25 Watts continuous
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Summary of Contents for MFJ MFJ-260C
- Page 1 MFJ Dummy Load model MFJ-260C The MFJ-260C Dummy load is a dry, air cooled, resistive dummy load. This resistor load is capable of dissipating RF power without the bulk or mess of oil or other coolants. It is capable of handling up to 300 Watts for a short period of time. For added convenience a derating curve is shown below and on the end plate of the dummy load.
- Page 2 Instruction Manual FULL 12 MONTH WARRANTY MFJ Enterprises, Inc. warrants to the original owner of this product, if manufactured by MFJ Enterprises, Inc. and purchased from an authorized dealer or directly from MFJ Enterprises, Inc. to be free from defects in material and workmanship for a period of 12 months from date of purchase provided the following terms of this warranty are satisfied.
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