M3933/25-81S

Overview

The M3933/25-81S is an RF attenuator manufactured by Cinch Connectivity Solutions Midwest Microwave. It provides a fixed attenuation value of 13dB within a frequency range of 0 Hz to 18 GHz. The component features a 50 Ohm impedance and supports a maximum power dissipation of 2W. It utilizes SMA in-line module connectors for interface. The device operates within a temperature range of -55°C to +125°C.

Feature Summary

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

Applications

• Military communication systems requiring precise signal control
• Aerospace test and measurement instrumentation
• Harsh environment RF circuit protection

Procurement Notes

Verify the specific suffix 'S' indicates screened or qualified status as per manufacturer documentation. Confirm RoHS non-compliance and EAR99 classification for export purposes. Ensure compatibility with existing SMA interfaces in the target assembly before procurement.

Selection Notes

Select this model when a fixed 13dB attenuation is required up to 18 GHz. Consider the 2W power rating and wide temperature range for suitability in rugged applications. Verify that the SMA connector gender matches the system design requirements.

Part Context

This part belongs to the M3933/25 series of connectorized attenuators from Midwest Microwave, a brand under Cinch Connectivity Solutions. The series is known for meeting stringent military standards, providing reliable performance in defense and aerospace sectors where signal integrity is critical.

Replacement Considerations

Check for direct equivalents within the M3933/25 family with different attenuation values if 13dB is not suitable. Verify cross-reference availability from other authorized distributors ensuring identical MIL-DTL-M3933 compliance and SMA interface specifications.