R411802121

Overview

The R411802121 is a connectorized attenuator manufactured by Radiall USA, Inc. It features an SMA in-line module configuration with a nominal attenuation of 2 dB. The component operates within a frequency range of 0 Hz to 18 GHz and maintains a characteristic impedance of 50 Ohms. It is rated for a maximum power handling capacity of 2 Watts. The device utilizes gold-plated contacts and PTFE dielectric material to ensure signal integrity across its specified bandwidth.

Feature Summary

• SMA in-line module design for direct circuit integration
• Fixed 2 dB attenuation value for precise signal reduction
• Operational frequency coverage up to 18 GHz
• 50 Ohm impedance matching for standard RF systems

Applications

• RF signal conditioning in communication equipment
• Test and measurement instrumentation setups
• Microwave circuit power level adjustment

Procurement Notes

Verify the specific SMA connector gender and mating requirements against your system interface before procurement. Confirm that the 2W power rating aligns with your operational peak power levels. Ensure the 18 GHz frequency limit meets your application's highest signal frequency. Check for any environmental certifications required for your deployment zone.

Selection Notes

Select this component when a fixed 2 dB attenuation is required at frequencies up to 18 GHz. The SMA interface suits applications needing compact, threaded connections. Consider the 50 Ohm impedance for compatibility with standard coaxial transmission lines. Evaluate the bulk packaging format against your assembly volume needs.

Part Context

This part belongs to Radiall's line of connectorized attenuators designed for RF interconnect solutions. It serves as a passive component to reduce signal amplitude without introducing significant distortion. The SMA variant offers reliable performance in high-frequency environments typical of modern wireless infrastructure and electronic testing gear.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing SMA connectors if sourcing alternatives from other manufacturers.