M3933/25-90N

Overview

The M3933/25-90N is a coaxial RF attenuator module manufactured by Cinch Connectivity Solutions Midwest Microwave. It provides a fixed attenuation value of 30dB with a 50 Ohm impedance. The device operates within a frequency range of 0 Hz to 18 GHz and supports a maximum power dissipation of 2W. It utilizes SMA connectors in an inline configuration. The component is designed for military-grade applications, complying with MIL-DTL-M3933 standards. It functions reliably across an operating temperature range from -55°C to +125°C.

Feature Summary

• Military-grade construction compliant with MIL-DTL-M3933 specifications
• Fixed 30dB attenuation with 50 Ohm impedance
• Wideband operation up to 18 GHz
• Robust thermal performance rated for -55°C to +125°C

Applications

• Defense electronic systems requiring precise signal reduction
• Aerospace communication equipment testing
• Harsh environment RF circuit protection
• Military test and measurement instrumentation

Procurement Notes

Verify the specific suffix 'N' against official manufacturer documentation to confirm compliance with MIL-DTL-M3933 requirements. Ensure that the SMA connector type matches the system interface needs. Confirm that the 2W power rating and 18 GHz frequency limit are sufficient for the intended application environment before procurement.

Selection Notes

Select this component when a fixed 30dB attenuation is required in high-frequency RF paths. The 50 Ohm impedance ensures compatibility with standard microwave systems. Consider the wide temperature range for deployment in extreme conditions. Verify that the SMA interface aligns with existing cabling and connector infrastructure.

Part Context

This part belongs to the M3933/25 series of coaxial attenuators from Cinch Connectivity Solutions Midwest Microwave. The series offers various attenuation values while maintaining consistent electrical characteristics and mechanical form factors. These components are engineered for reliability in demanding military and aerospace environments.

Replacement Considerations

Check for direct substitutes within the M3933/25 series offering identical 30dB attenuation and SMA interfaces. Verify that any replacement maintains the same MIL-DTL-M3933 qualification status and physical dimensions to ensure fitment.