M3933/25-20N

Overview

The M3933/25-20N is a fixed RF attenuator manufactured by Cinch Connectivity Solutions Midwest Microwave. It provides a nominal attenuation value of 20 dB within a frequency range of 0 Hz to 2 GHz. The component features SMA connectors and operates at a system impedance of 50 Ohms. Designed for military applications, it complies with the MIL-DTL-M3933 specification. The device utilizes coaxial construction and supports a maximum power dissipation of 2 Watts.

Feature Summary

• Complies with MIL-DTL-M3933 military specifications
• Provides precise 20 dB signal attenuation
• Operates effectively from DC up to 2 GHz

Applications

• Military communication systems
• Aerospace instrumentation
• Test and measurement equipment

Procurement Notes

Verify that the specific suffix 'N' matches the required contact plating and material specifications defined in the MIL-DTL-M3933 standard. Confirm that the SMA connector gender and mating interface align with the system design requirements. Ensure environmental ratings meet the operational temperature extremes of the intended deployment scenario.

Selection Notes

Select this model when a fixed 20 dB reduction is required for frequencies up to 2 GHz. Choose this part over variable attenuators if constant signal loss is sufficient. Consider the 2W power rating to ensure thermal management capabilities match the system's power handling needs without derating.

Part Context

This component belongs to the M3933/25 series of fixed attenuators. The series offers various attenuation values while maintaining consistent SMA interfaces and MIL-DTL-M3933 compliance. This specific variant targets lower microwave frequencies compared to higher-frequency models in the same family.

Replacement Considerations

Compatible substitutes include other M3933/25 series variants with identical electrical parameters. Cross-reference MIL-DTL-M3933 equivalents from authorized manufacturers to ensure mechanical and performance compatibility.