M3933/25-35S

Overview

The M3933/25-35S is a fixed RF attenuator manufactured by Cinch Connectivity Solutions under the Midwest Microwave brand. It provides a nominal attenuation of 9 dB with a power rating of 2 W and operates within a frequency range of 0 Hz to 12.4 GHz. The component utilizes SMA connectors in an in-line module configuration and maintains a 50 Ohm impedance. Designed for military applications, it complies with MIL-DTL-M3933 standards.

Feature Summary

• Complies with MIL-DTL-M3933 specifications for qualified parts list (QPL) screening
• Provides precise 9 dB signal attenuation for RF circuit management
• Supports high-power handling up to 2 W at rated frequencies
• Features robust SMA connector interface for reliable interconnect

Applications

• Military radio systems requiring certified RF components
• Avionics test and measurement equipment
• Defense communication infrastructure
• Satellite ground station signal conditioning

Procurement Notes

Verify that the specific part number matches the required QPL screening level mandated by your system design. Confirm compliance with MIL-DTL-M3933 standards before integration. Ensure environmental ratings align with operational temperature requirements. Validate connector compatibility with existing SMA interfaces. Review all official datasheets for critical electrical tolerances prior to final procurement decisions.

Selection Notes

Select this model when a 9 dB attenuation value is specifically required within the 12.4 GHz bandwidth. Consider the 2 W power rating for high-power signal paths. The SMA interface dictates mating connector types. Verify military grade qualification needs against standard commercial alternatives. Ensure physical form factor fits the designated module space.

Part Context

This component belongs to the M3933/25 series of connectorized attenuators. The series offers various attenuation values while maintaining consistent SMA connectivity and military-grade construction. It serves as a specialized solution for defense electronics where standardized, screened components are mandatory for system reliability and regulatory compliance.

Replacement Considerations

M3933/25-33S provides 7 dB attenuation. M3933/25-34N provides 8 dB attenuation. M3933/25-62N provides 2 dB attenuation. M3933/25-30S provides 4 dB attenuation. All share similar SMA interfaces and military specifications.