4882-6140-20

Attenuators Overview

The Amphenol XMA 4882-6140-20 is a connectorized RF attenuator designed for high-frequency signal processing. It provides a fixed attenuation value of 20dB with an operating frequency range from 0 Hz to 40 GHz. The component features SMA male-to-female connectors and maintains a characteristic impedance of 50 Ohms. It supports a power rating of 1W and exhibits a voltage standing wave ratio (VSWR) of 1.40:1. The unit measures 22.09 mm in length and weighs 7 grams, offering a compact solution for inline module applications.

Attenuators Feature Summary

• Provides precise 20dB signal attenuation across a wide bandwidth up to 40 GHz
• Features SMA male-to-female interface for seamless inline integration
• Maintains low VSWR of 1.40:1 for optimal signal integrity
• Supports 1W power handling within a compact 22.09 mm form factor

Attenuators Applications

• High-frequency test and measurement instrumentation
• Wireless communication system signal conditioning
• RF circuit protection and level adjustment
• Military and aerospace electronic subsystems

Attenuators Procurement Notes

Verify the specific connector gender configuration against schematic requirements, as variations exist within the product family. Confirm that the 1W power rating aligns with peak operational loads rather than continuous average power if thermal constraints are critical. Ensure environmental specifications meet project standards, particularly regarding cryogenic variants which differ from standard room-temperature models. Cross-reference datasheet revisions to confirm material composition and plating details.

Attenuators Selection Notes

Select this model when a fixed 20dB reduction is required at frequencies approaching 40 GHz. Compare against adjustable attenuators if variable control is needed later. Consider the 4882-6140-20-CRYO variant if operation below standard temperature ranges is necessary. Evaluate physical space constraints given the 22.09 mm length. Ensure system impedance matches the 50 Ohm specification to prevent reflections.

Attenuators Part Context

This component belongs to the Amphenol XMA connectorized attenuator series, specifically utilizing SMA interfaces. It is distinct from the 2.92mm variant (4882-6240-20-CRYO) which offers higher power handling but different connector geometry. The part serves as a passive linear device within the broader RF interconnect portfolio, focusing on stable attenuation performance rather than amplification or switching functions.

Attenuators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Direct replacement requires matching the 20dB attenuation, 40 GHz frequency limit, SMA M/F interface, and 1W power rating. Verify mechanical footprint compatibility before substitution.