20dB 50W RF Fixed Attenuator, 50 Ohm

5 out of 5 based on 1 reviews | Write a review

$194.69

ATO fixed RF attenuator for sale, frequency range from DC to 4GHz, attenuation value 20dB, impedance 50 Ohm, average input power 50W at 25℃. Economical price coaxial attenuator is an essential electronic component designed for radio frequency (RF) applications, particularly in high-power microwave systems such as those used in GPS devices. This coaxial device operates passively to reduce signal strength while maintaining a consistent impedance across a specific frequency range.

SKU: ATO-RFFA-20DB50W

Qty:

30-day Returns

Free Shipping

Delivery date: 6-12 days

Overview

RF fixed coaxial attenuator utilizing SMA connector, seamlessly integrate in-line within radio frequency systems. Microstrip attenuator leverage printed circuit board technology to achieve precision in signal attenuation across specific frequency bands. This is particularly crucial in applications such as GPS, where maintaining accurate signal strength is paramount.

Specification

Model: ATO-SMAJKP-04-50W-20dB
Frequency Range (Optional): DC~4GHz
Standing Wave Ratio (VSWR): 1.20:1 (Max)
Attenuation Value: 20dB
Impedance: 50 Ohm
Average Input 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: What is the maximum power handling capability of an attenuator?

The maximum power handling capability of an attenuator depends on its design, construction, and intended application. Attenuators are passive devices used to reduce the amplitude of a signal while maintaining impedance matching. Their power handling capacity is specified by the manufacturer and varies across different models. In general, attenuators are rated for a maximum input power level, beyond which they may experience distortion, damage, or failure. Common attenuator power ratings range from a few watts to several hundred watts for higher-power applications. It's crucial to select an attenuator with a power handling capacity that exceeds the maximum expected signal power to ensure reliable performance and prevent damage to the device. Always refer to the manufacturer's specifications and guidelines for accurate information on the power handling capabilities of a specific attenuator model.

Existing reviews of 20dB 50W RF Fixed Attenuator, 50 Ohm

Great value

I’ve been using this 20dB 50W RF fixed attenuator in my test setup for a few weeks, and it has performed very reliably. The attenuation is stable across the entire DC–4GHz range, and it maintains a clean 50-ohm impedance without introducing any noticeable distortion or noise into the signal path. I’ve run it at close to its 50W power rating during extended testing, and it stays stable and cool enough without drifting in performance. For high-power microwave setups—especially when working with GPS-related equipment—it has been a solid and economical solution.

From: Eleanor | Date: 24/11/2025

Was this review helpful? Yes No (0/0)

Load more reviews...

Write your review for 20dB 50W RF Fixed Attenuator, 50 Ohm