M3933/25-86N

Overview

The M3933/25-86N is a radio frequency military specification connectorized attenuator manufactured by Amphenol / SV Microwave. It belongs to the SMA series and features a male-to-female interface configuration. The component operates within a frequency range up to 18 GHz and provides a maximum attenuation of 8 dB. It maintains a characteristic impedance of 50 ohms. The unit is designed for bulk packaging and functions as an attenuator body type. Operating temperature limits extend from -65 °C to +165 °C.

Feature Summary

• Provides fixed RF signal attenuation in a compact SMA connectorized form factor
• Supports high-frequency operation up to 18 GHz with stable 50 ohm impedance
• Engineered for extreme environmental conditions with wide thermal tolerance

Applications

• Military radar systems requiring precise signal level control
• Avionics test and measurement equipment setups
• High-frequency communication subsystems needing attenuation

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to confirm exact attenuation values and screening status. Ensure compatibility with existing SMA interfaces in your assembly. Cross-reference datasheets for precise electrical tolerances and thermal ratings before integration into critical systems.

Selection Notes

Select this component when a fixed 8 dB attenuation is required at frequencies up to 18 GHz. Consider the SMA male-to-female configuration for direct interconnection needs. Evaluate the operating temperature range to ensure suitability for harsh environments exceeding standard commercial limits.

Part Context

This model falls under the M3933 series of RF MIL Spec Connectors produced by Amphenol / SV Microwave. These components are specialized attenuators designed for defense and aerospace applications. The series offers various attenuation values and connector types to meet diverse system requirements.

Replacement Considerations

Check for equivalent SMA attenuators with matching 18 GHz frequency and 8 dB attenuation specifications. Verify gender configuration and impedance compatibility. Consult manufacturer substitution lists for direct cross-references.