M3933/14-18N

Overview

The M3933/14-18N is a coaxial RF attenuator manufactured by Amphenol SV Microwave. It features SMA male-to-female connectors and provides a nominal attenuation of 16 dB. The component operates within a frequency range of DC to 12.4 GHz and maintains a characteristic impedance of 50 Ohms. It supports a maximum power handling capacity of 2 Watts and functions reliably across an operating temperature range of -65°C to +165°C. The unit is supplied in bulk packaging.

Feature Summary

• Provides fixed 16 dB signal attenuation for RF circuitry
• Utilizes SMA connector interface for direct integration
• Designed for high-temperature military-grade environments

Applications

• Satellite microwave circuit power level adjustment
• RF test and measurement instrumentation
• Military communication systems requiring precise signal reduction

Procurement Notes

Verify the specific datasheet version for the M3933/14-18N to confirm exact electrical tolerances and mechanical dimensions prior to integration. Ensure that the SMA mating interfaces align with system requirements. Confirm compliance with relevant environmental standards such as RoHS3 if applicable to the final assembly specifications.

Selection Notes

Select this component when a fixed 16 dB attenuation is required at frequencies up to 12.4 GHz. The SMA interface ensures compatibility with standard RF infrastructure. Consider the 2W power rating and wide temperature range for robust performance in demanding operational conditions compared to lower-rated alternatives.

Part Context

This part belongs to the M3933 series of connectorized attenuators from Amphenol SV Microwave. These components are engineered for space applications and high-reliability environments. The series offers various attenuation values and connector types, providing standardized solutions for RF power management in complex electronic systems.

Replacement Considerations

M3933/14-07N serves as a parameter-equivalent alternative within the same product family.