M3933/14-03N

Overview

The M3933/14-03N is a fixed RF attenuator manufactured by Amphenol SV Microwave, designed for military and aerospace applications. It features SMA male-to-female connectors with a 50 Ohm impedance. The device operates from DC to 12.4 GHz and provides a nominal attenuation of 10 dB. It supports a maximum power rating of 2 W and functions within a temperature range of -65°C to +165°C. The unit is non-screened and packaged in bulk.

Feature Summary

• Engineered for fine-tuning RF power levels in satellite microwave circuits
• Provides stable attenuation across a wide frequency spectrum up to 12.4 GHz
• Constructed with durable materials suitable for extreme environmental conditions

Applications

• Satellite microwave circuit power level adjustment
• Military RF signal conditioning
• Aerospace communication systems

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to confirm connector gender, attenuation value, and screening status. Ensure compatibility with system impedance and power requirements before procurement. Cross-reference datasheets for precise electrical tolerances and mechanical dimensions.

Selection Notes

Select this component when a fixed 10 dB attenuation is required at frequencies up to 12.4 GHz. Consider the SMA interface and 2 W power handling capability. Verify that the non-screened design meets the electromagnetic interference requirements of the target application environment.

Part Context

This model belongs to the M3933 series of RF MIL Spec Connectors produced by Amphenol SV Microwave. The series includes various attenuators and interconnects designed for high-reliability environments. The M3933 designation indicates compliance with specific military standards for ruggedized RF components.

Replacement Considerations

Direct substitutes include other M3933/14-XXN variants with matching attenuation values. Verify connector polarity and frequency range when considering alternative manufacturers or updated series revisions.