M3933/25-81S

Overview

The M3933/25-81S is a fixed RF attenuator manufactured by Amphenol SV Microwave. It operates within a frequency range of DC to 18 GHz and provides an attenuation value of 13 dB. The component features SMA male-to-female connectors and maintains a 50 Ohm impedance. It has a power rating of 2 W and functions reliably between -65°C and +165°C.

Feature Summary

• Provides precise signal attenuation for high-frequency applications
• Features robust SMA connector interface for secure integration
• Designed for operation in extreme temperature environments

Applications

• Military communication systems requiring screened components
• High-frequency test and measurement equipment
• Radar system signal conditioning

Procurement Notes

Verify the specific suffix 'S' indicates the screened variant when sourcing replacements. Confirm that the 13 dB attenuation specification matches the design requirements. Ensure the SMA gender configuration aligns with the existing circuit topology before finalizing procurement.

Selection Notes

Select this model for applications demanding stable attenuation up to 18 GHz. Consider the screened construction for enhanced performance in sensitive environments. Verify compatibility with standard SMA mating interfaces and ensure the 2 W power handling meets system thermal constraints.

Part Context

This component belongs to the M3933 series of RF attenuators from Amphenol SV Microwave. It is designed as a ruggedized, inline module suitable for demanding operational conditions. The series offers various attenuation values while maintaining consistent impedance and connector standards across the product line.

Replacement Considerations

M3933/25-84S