M3933/25-66N

Overview

The M3933/25-66N is an RF fixed attenuator manufactured by Amphenol SV Microwave. It operates within a frequency range of DC to 18 GHz and provides a nominal attenuation of 4 dB. The component features SMA male-to-female connectors and maintains a 50 Ohm impedance. It supports a maximum power rating of 2 W and functions reliably across a temperature range of -65 °C to +165 °C.

Feature Summary

• Provides precise 4 dB signal attenuation for RF applications
• Utilizes durable SMA connector interface for reliable interconnection
• Engineered for high-temperature operation up to +165 °C

Applications

• RF signal conditioning in communication systems
• Test and measurement equipment calibration
• Military and aerospace electronic assemblies

Procurement Notes

Verify the specific datasheet version for the M3933/25-66N to confirm exact electrical tolerances and mechanical dimensions. Ensure compatibility with existing SMA mating interfaces. Confirm that the 2 W power rating meets system requirements under operating conditions. Check for RoHS compliance status if required by project specifications.

Selection Notes

Select this model when a fixed 4 dB attenuation is required at frequencies up to 18 GHz. The SMA interface ensures broad compatibility with standard RF components. Consider the 2 W power handling capability for high-power signal paths. Verify that the extended temperature range suits the environmental conditions of the intended deployment.

Part Context

This part belongs to the M3933 series of connectorized attenuators from Amphenol SV Microwave. These components are designed for military and aerospace applications requiring robust performance. The series includes various attenuation values and connector types, all sharing common reliability standards and material specifications for harsh environments.

Replacement Considerations

M3933/25-64N is listed as a parameter equivalent alternative.