M3933/25-27S

Overview

The M3933/25-27S 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 0 Hz to 18 GHz. The component provides a nominal attenuation value of 1 dB at a characteristic impedance of 50 Ohms. Designed for high-reliability environments, it supports a maximum power rating of 2 W and functions reliably across an operating temperature range from -65 °C to +165 °C.

Feature Summary

• Screened construction for enhanced signal integrity
• Fixed 1 dB attenuation value
• SMA connector interface compatibility

Applications

• Military radio systems
• Avionics test equipment
• High-frequency measurement setups

Procurement Notes

Verify the specific suffix 'S' indicates the screened variant when sourcing replacements. Confirm that the manufacturer designation matches Amphenol SV Microwave to ensure compliance with military specifications. Cross-reference the datasheet for exact dimensional tolerances and material composition details prior to final procurement approval.

Selection Notes

Select this model for applications requiring precise low-level signal reduction in harsh environments. Ensure the system impedance matches the 50 Ohm specification. Verify that the 2 W power handling capacity aligns with peak signal levels. Consider the screened design if electromagnetic interference shielding is required for the SMA interface.

Part Context

This component belongs to the M3933 series of fixed attenuators designed for ruggedized RF applications. It serves as a specialized interconnect solution providing stable attenuation characteristics. The product line emphasizes durability and consistent performance under extreme thermal conditions typical of defense and aerospace sectors.

Replacement Considerations

M3933/25-27N