M3933/25-04N

Overview

The M3933/25-04N is a military specification RF attenuator manufactured by Amphenol SV Microwave. It utilizes SMA female-to-female connectors and operates within the 18 GHz frequency range. The component provides a nominal attenuation of 4 dB at a 50 Ohm impedance. Designed for high-reliability applications, it supports a maximum operating temperature of +165°C and a minimum of -65°C. The unit is classified as a non-screened bulk module.

Feature Summary

• Military-grade reliability with SMA connector interface
• High-temperature operational capability up to +165°C
• Non-screened bulk packaging configuration

Applications

• RF signal conditioning in military communication systems
• Test and measurement equipment requiring precise attenuation
• Aerospace electronic subsystems

Procurement Notes

Verify the specific datasheet version for the M3933/25-04N to confirm current manufacturing status and detailed electrical tolerances. Ensure that the non-screened designation aligns with the electromagnetic interference requirements of the target application environment before finalizing procurement orders.

Selection Notes

Select this component when a fixed 4 dB attenuation value is required within an 18 GHz bandwidth using standard SMA interfaces. Consider the non-screened construction and extreme temperature ratings (-65°C to +165°C) against environmental constraints. Verify compatibility with existing SMA mating hardware in the system design.

Part Context

This part belongs to the M3933 series of RF attenuators from Amphenol SV Microwave. The series includes various attenuation values and connector types, such as 2.92mm and SMA configurations. The M3933/25-04N specifically addresses the need for standardized SMA-based attenuation solutions in ruggedized environments.

Replacement Considerations

M3933/25-04S is a screened variant of the same series. Verify if shielding requirements differ between the non-screened M3933/25-04N and potential screened alternatives.