M3933/25-91S

Overview

The M3933/25-91S is a fixed RF attenuator module manufactured by Cinch Connectivity Solutions Midwest Microwave. It provides an attenuation value of 35dB with a 50 Ohm impedance. The device operates within a frequency range of 0 Hz to 18 GHz and supports a power rating of 2W. It utilizes SMA connectors in an inline configuration.

Feature Summary

• Compliant with MIL-DTL-M3933 military specifications for high reliability
• Designed for stable signal attenuation in demanding RF environments
• Features robust SMA connector interface for secure integration

Applications

• Military radar systems requiring precise signal control
• Avionics communication equipment testing
• Defense electronic warfare subsystems

Procurement Notes

Verify the specific suffix 'S' against official manufacturer documentation to confirm connector gender and exact physical dimensions, as variations exist within the M3933 family. Ensure compliance with export control regulations (EAR99) and non-RoHS status requirements for your specific deployment environment before finalizing procurement.

Selection Notes

Select this component when a high attenuation value of 35dB is required up to 18 GHz. Confirm that the 2W power handling capacity meets system peak power demands. Verify that the SMA inline form factor fits the available chassis space and mating connector constraints.

Part Context

This part belongs to the M3933/25 series of screened QPL attenuators. These components are designed for rugged applications where strict adherence to military standards is mandatory. The series offers various attenuation values while maintaining consistent electrical performance across the specified bandwidth.

Replacement Considerations

Check for other M3933/25-xxS variants with different dB values if the 35dB specification does not match the circuit design. Direct substitutes must maintain the same MIL-DTL-M3933 qualification and SMA connector type.