Description
The 2W TNC dummy load is specifically chosen for applications where the quick-release bayonet of a BNC might fail due to mechanical stress or movement. It utilizes a precision-ground 50 Ohm resistive element and PTFE (Teflon) dielectric to maintain electrical consistency across the DC to 4 GHz spectrum. The threaded interface ensures a constant, high-pressure contact that minimizes signal leakage and intermodulation.
This terminator is a critical tool for isolating ports on outdoor wireless equipment, telemetry systems, and ruggedized test benches. The 2-Watt rating provides a significant safety margin over standard 1W units, allowing for continuous operation in moderate-power environments without thermal drift. Its design is optimized for durability, supporting hundreds of mating cycles while resisting oxidation and environmental wear.
Key Technical Advantages
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Vibration-Proof Connection: The threaded TNC interface prevents accidental disconnection and maintains signal integrity in high-movement environments.
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Moderate Power Handling: Rated for 2 Watts continuous power, ensuring reliable performance during signal testing and system calibration.
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Low Reflection Coefficient: Maintains a consistent 50 Ohm match to keep reflected power low, shielding the output stages of transmitters and amplifiers.
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Superior Environmental Resistance: Often features weather-resistant gaskets and robust plating, suitable for both laboratory and harsh field deployments.
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Broadband Stability: Engineered to perform reliably up to 4 GHz, covering a wide array of public safety, industrial, and legacy cellular bands.
Key Features
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Impedance: 50 Ohm (±1 Ohm).
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Power Rating: 2 Watts (Continuous).
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Frequency Range: DC to 4 GHz.
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Connector Type: TNC Male (Plug).
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Coupling: Threaded (7/16-28).
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Applications: Aerospace Telemetry, Industrial Wireless, and Military Communications.
Technical Summary
| Parameter | Specification (Typical 2W/4GHz) |
| Impedance | 50 Ohm |
| Frequency Range | DC – 4 GHz |
| VSWR | ≤ 1.25:1 |
| Power Handling | 2.0 Watts @ 25°C |
| Connector Body | Nickel-Plated Brass or Stainless Steel |
| Operating Temp | -55°C to +125°C |









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