M3933/25-63S

Overview

The M3933/25-63S is a screened RF attenuator manufactured by Amphenol SV Microwave. It utilizes SMA connectors with a male-to-female configuration and operates within a frequency range of DC to 18 GHz. The component provides a maximum attenuation of 16 dB at a characteristic impedance of 50 Ohms. Designed for high-reliability environments, it supports a maximum operating temperature of +165°C and a minimum of -65°C. This part belongs to the MIL-Spec connectorized attenuator series.

Feature Summary

• Screened construction for enhanced environmental protection
• Military specification compliance for rugged applications
• Fixed attenuation value for precise signal control

Applications

• Defense communication systems
• Radar equipment signal conditioning
• Test and measurement instrumentation

Procurement Notes

Verify the specific datasheet version and screening level requirements before procurement. Confirm that the SMA male-to-female orientation matches the system design. Ensure the 16 dB attenuation value aligns with circuit specifications. Check for any specific military qualification certifications required by the end application.

Selection Notes

Select this model when a fixed 16 dB attenuation is required in the 18 GHz band. Consider the SMA interface compatibility with existing infrastructure. Evaluate the thermal performance limits against the operational environment. Compare with other M3933 variants if different attenuation values are needed.

Part Context

This component is part of the M3933 series of connectorized attenuators from Amphenol SV Microwave. The series offers various attenuation levels and connector types tailored for military and aerospace applications. The M3933/25-63S specifically addresses needs for moderate attenuation in high-frequency RF paths using standard SMA interfaces.

Replacement Considerations

M3933/25-65N is listed as a parameter equivalent alternative.