Description
The 2dB 5W RF Fixed Attenuator is a high-performance passive component designed to reduce the power of an RF signal by exactly 2dB. With a 5-Watt power handling capacity, it is robust enough to manage moderate power loads from transmitters and amplifiers, making it ideal for applications that exceed the limits of standard 1W or 2W units. This model is optimized for a wide frequency spectrum from DC to 6GHz, ensuring full compatibility with sub-6GHz 5G NR, Wi-Fi 6, GPS, and standard telecommunications bands.
The attenuator features an SMA Male to SMA Female inline configuration, allowing for seamless integration into existing signal paths. It is constructed using high-reliability resistive elements that provide excellent frequency flatness and a low Voltage Standing Wave Ratio (VSWR). The housing is manufactured from stainless steel or nickel-plated brass and includes an integrated heat-sink design to efficiently dissipate thermal energy, ensuring consistent attenuation accuracy even during continuous operation at its maximum power rating.
Key Technical Advantages
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Precise 2dB Reduction: Delivers a reliable, subtle power reduction, making it an essential tool for granular signal leveling and protecting equipment with tight input thresholds.
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Broad 6GHz Bandwidth: Provides a versatile solution for a wide range of wireless technologies, maintaining high accuracy from DC through the 6GHz spectrum.
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Enhanced 5W Power Rating: Specifically engineered to handle moderate power levels with a thermal design that prevents the attenuation drift common in lower-rated components.
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Excellent Impedance Matching: Often used to improve the VSWR between mismatched components, minimizing signal reflections and protecting upstream sources.
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Ruggedized Construction: Features high-quality SMA connectors with gold-plated center contacts to ensure low contact resistance and hundreds of stable mating cycles in demanding environments.
Key Features
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Interface Type: SMA Male (Plug) to SMA Female (Jack).
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Attenuation Value: 2dB (Fixed).
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Power Rating: 5 Watts (Continuous).
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Frequency Range: DC – 6.0 GHz.
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Impedance: 50 Ohm (Standard).
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Construction: Stainless Steel or Nickel-Plated Brass with PTFE dielectric and integrated cooling fins.
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Common Application: Signal leveling in wireless systems, laboratory measurements, inter-stage isolation, and protection of sensitive receiver front-ends.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm (Nominal) |
| Frequency Range | DC – 6 GHz |
| Attenuation Accuracy | ±0.3 dB to ±0.5 dB |
| VSWR | ≤ 1.20:1 (Typical) |
| Max Input Power | 5 Watts (Average) |
| Peak Power | 100 Watts (5µs pulse width) |
| Operating Temp | -55°C ~ +125°C |


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