RF Coaxial Dummy Load 25W/50W/100W UHF PL259 50 Ohm DC-500MHz

$71.25 $96.43

RF Coaxial Dummy Load – UHF PL259 Male Connector | 25W / 50W / 100W | 50 Ohm | DC–500MHz

Whether you're testing transmitters, tuning antennas, or performing lab bench work, this RF Coaxial Dummy Load delivers reliable, stable termination across a wide frequency range. Built in a compact U-style form factor with a UHF PL-259 male (M) plug connector, it handles average power levels of 25W, 50W, or 100W — making it a versatile choice for amateur radio operators, RF engineers, and electronics technicians alike.

Technical Specifications

Frequency Range: DC – 500 MHz
Impedance: 50 Ohm
Average Power: 25W / 50W / 100W (select your option)
VSWR: 1.20 Max
Connector Type: UHF Male (PL-259)
Style: U-Type compact design
Operating Temperature: -55°C to +125°C
Water Resistance: Waterproof construction
Country of Origin: Made in China

Key Features

Wide Frequency Coverage: Operates from DC up to 500 MHz, suitable for HF, VHF, and UHF applications.
Multiple Power Options: Available in 25W, 50W, and 100W configurations to match your specific transmitter requirements.
Precision 50-Ohm Impedance: Ensures accurate termination and minimal signal reflection during RF testing and calibration.
Low VSWR (≤1.20): Minimizes standing wave ratio for more accurate and repeatable measurements.
Extreme Temperature Tolerance: Rated from -55°C to +125°C, dependable in both field and laboratory environments.
Waterproof Build: Protected against moisture ingress, extending service life in demanding environments.
Standard UHF PL-259 Connector: Compatible with the vast majority of amateur radio and RF lab equipment.

Ideal Applications

Amateur (ham) radio transmitter testing and tuning
RF amplifier burn-in and load testing
Antenna analyzer calibration
RF lab bench development and prototyping
Commercial and military radio equipment testing

Frequently Asked Questions

Q: What power ratings are available for this RF Coaxial Dummy Load?

A: This dummy load is available in three average power ratings — 25W, 50W, and 100W. Choose the option that best matches your transmitter's output power to ensure safe and accurate RF termination during testing.

Q: Is this dummy load compatible with standard ham radio and RF lab equipment?

A: Yes. The UHF PL-259 male (M) connector is one of the most widely used RF connector standards in amateur radio and RF lab equipment. With a 50-ohm impedance and DC–500MHz frequency range, it is compatible with the vast majority of HF, VHF, and UHF transceivers and test instruments.

Q: Can this dummy load be used outdoors or in harsh environments?

A: Absolutely. This dummy load features a waterproof construction and an operating temperature range of -55°C to +125°C, making it suitable for both outdoor field use and demanding laboratory environments.

Q: What does a low VSWR rating mean for my RF testing?

A: A VSWR (Voltage Standing Wave Ratio) of 1.20 Max means the dummy load reflects very little of the applied RF signal back to the source. This ensures that nearly all transmitted power is absorbed by the load, giving you accurate, repeatable measurements and protecting your transmitter from reflected power during testing.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.