150W 50 Ohm RF Dummy Load Resistor DC-3GHz Flange Mount
150W 50 Ohm RF Dummy Load Resistor DC-3GHz Flange Mount
150W 50Ω RF Dummy Load Resistor — DC to 3GHz Flange Mount Termination
This high-power 150 Watt, 50 Ohm RF dummy load resistor is engineered for reliable signal termination in RF and microwave systems. Covering a broad frequency range from DC to 3GHz, it provides a stable, accurate 50Ω impedance termination with ±5% accuracy — essential for testing transmitters, antenna systems, and RF power amplifiers without radiating a signal.
Featuring a rugged flange mount design, this fixed resistor is built for secure chassis or heatsink mounting, allowing effective heat dissipation at high continuous power levels. Whether you're commissioning a radio system, performing bench-level RF testing, or permanently terminating unused ports, this dummy load delivers consistent, dependable performance.
Key Features
- Power Rating: 150 Watts continuous
- Impedance: 50 Ohms (50Ω)
- Frequency Range: DC – 3GHz
- Accuracy: ±5%
- Type: Fixed Resistor / RF Termination
- Mounting Style: Flange Mount for chassis or heatsink installation
- Condition: New
- High-Concern Chemicals: None
Typical Applications
- RF transmitter and power amplifier testing
- Antenna system commissioning and load testing
- Terminating unused RF ports in coaxial systems
- Ham radio, broadcast, and telecommunications lab use
- Radar and microwave system development
Specifications at a Glance
| Power | 150W |
| Impedance | 50Ω |
| Frequency | DC – 3GHz |
| Accuracy | ±5% |
| Mount Type | Flange Mount |
| Country of Origin | Made in Mainland China |
For more information on RF safety and proper RF lab practices, visit the FCC or refer to NIST Electronics Resources for measurement standards and best practices.
Frequently Asked Questions
Q: What is a 50 Ohm RF dummy load resistor used for?
A: A 50 Ohm RF dummy load resistor is used to terminate RF transmission lines and absorb power from a transmitter or amplifier without radiating a signal. This allows engineers and technicians to safely test and tune RF equipment — such as radio transmitters, amplifiers, and coaxial systems — without causing interference or damaging the output stage by leaving it unloaded.
Q: Can this 150W dummy load handle continuous power at 150 Watts?
A: Yes, this dummy load is rated for 150 Watts of continuous power. For optimal performance and longevity at high power levels, it should be mounted to an adequate heatsink or chassis using its flange mount to ensure proper thermal dissipation. Adequate cooling is critical when operating near the maximum power rating for extended periods.
Q: What frequency range does this RF termination cover?
A: This dummy load resistor covers a frequency range from DC (0Hz) all the way up to 3GHz, making it suitable for a wide variety of RF and microwave applications including HF, VHF, UHF, and lower microwave band systems.
Q: Is this resistor compatible with standard 50 Ohm coaxial systems?
A: Yes, the 50Ω impedance of this dummy load is the standard impedance used in the vast majority of RF, coaxial, and microwave systems, ensuring direct compatibility with most RF test equipment, transmitters, and coaxial connectors.