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    3dB 50W RF Fixed Attenuator, 50 Ohm

    Shop 50 watt fixed RF attenuator on ATO, frequency range from DC to 4GHz, attenuation value 3dB, impedance 50 Ohm, working power 50W at 25℃. It is an indispensable component in electronic circuits, specifically designed for radio frequency (RF) applications. This low cost coaxial attenuator operating within the microwave frequency range, efficiently manage high-power signals without compromising signal integrity.
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    Delivery date: 6-12 days

    Fixed RF attenuator incorporating coaxial interface such as SMA connector, seamlessly integrates in-line with RF systems, allowing for precise control over signal levels. It is indispensable passive electrical device in the toolkit of engineers working on high-power radio frequency applications, ensuring the efficient and controlled transmission of signals.


    • Model: ATO-SMAJKS-04-50W-3dB
    • Frequency Range (Optional): DC~4GHz
    • Standing Wave Ratio (VSWR): 1.2 (Max)
    • Attenuation Value: 3dB
    • Attenuation Accuracy: ±0.4dB
    • Impedance: 50 Ohm
    • Power: 50W@25℃
    • Pick Power: 1kW (5μsce Pulse Width, 2% Duty Cycle)
    • A connector Type: SMA-Male
    • B connector type: SMA-Female
    • Directionality: SMA Male Input, SMA Female Output
    • Temperature Coefficient: <0.0004dB/℃
    • Working Temperature: -55℃~+100℃
    • Inner Conductor Material: Beryllium Bronze with Gold Plating
    • Outer Conductor Material: Brass Plated with Ternary Alloy
    • Heat Sink: Aluminum Alloy Black
    • Insulator: PTFE

    Dimension (Unit: mm)

    3dB~40dB 50W RF fixed attenuator dimension

    Tips: Can I use a coaxial RF attenuator to eliminate signal reflections?

    No, a coaxial RF attenuator is not designed to eliminate signal reflections. Attenuators are used to reduce the amplitude of a signal intentionally, usually to prevent overloading or to match impedance between different components. To address signal reflections, you would typically use devices like terminators or impedance-matching components. Reflections occur when there is an impedance mismatch between transmission lines or components, leading to bounced-back signals. To mitigate reflections, it's crucial to ensure proper impedance matching, use termination at the end of transmission lines, and consider other techniques like impedance matching networks. Using an attenuator without addressing the root cause of reflections may not effectively eliminate them and could potentially degrade the signal quality further.

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