M3933/25-48S

Overview

The M3933/25-48S is a fixed RF attenuator manufactured by Cinch Connectivity Solutions under the Midwest Microwave brand. It provides a nominal attenuation of 22 dB with a maximum power dissipation rating of 2 W. The component operates within a frequency range from 0 Hz to 12.4 GHz and maintains a characteristic impedance of 50 Ohms. It utilizes SMA connectors in an inline module configuration, designed for reliable signal reduction in high-frequency applications.

Feature Summary

• Provides precise 22 dB signal attenuation for RF systems
• Supports continuous power dissipation up to 2 Watts
• Operates effectively across a broad DC to 12.4 GHz bandwidth
• Features robust SMA connector interface for secure integration

Applications

• Military communication systems requiring signal level control
• Aerospace test and measurement instrumentation
• High-frequency circuit protection and calibration
• Defense electronics signal conditioning

Procurement Notes

Verify the specific datasheet for the M3933/25-48S model to confirm current manufacturing status and detailed electrical tolerances. Ensure compatibility with existing SMA interfaces and thermal management requirements for 2W operation. Confirm compliance with relevant military specifications if used in defense applications.

Selection Notes

Select this component when a fixed 22 dB attenuation is required within the 12.4 GHz limit. Consider the 2W power rating against system load conditions. Verify that the SMA connector type matches the system's male/female configuration needs. Evaluate environmental ratings if operating in extreme temperatures.

Part Context

This part belongs to the M3933/25 series of connectorized attenuators from Cinch Connectivity Solutions. These components are engineered for high-performance RF applications, offering consistent attenuation values with reliable SMA connectivity. The series supports various attenuation levels tailored for specific signal processing requirements in demanding environments.

Replacement Considerations

M3933/25-48N is a documented substitute variant within the same product family.