M3933/16-21S

Overview

The M3933/16-21S is a fixed RF attenuator manufactured by Cinch Connectivity Solutions Midwest Microwave. It provides an attenuation value of 4.5dB with a tolerance of ±0.3dB. The component operates within a frequency range of 0 Hz to 18 GHz and features a 50 Ohm impedance. It has a power rating of 2W and utilizes SMA in-line module connectors.

Feature Summary

• Complies with MIL-DTL-M3933 military specifications for high reliability
• Designed for stable signal attenuation in microwave applications
• Utilizes robust SMA connector interface for secure integration

Applications

• Military communication systems
• Aerospace instrumentation
• Test and measurement equipment

Procurement Notes

Verify the specific suffix (N or S) against the procurement requirement, as it denotes connector gender configuration. Confirm that the application environment falls within the specified temperature and power ratings. Ensure compliance with non-RoHS status if required by the project regulations. Cross-reference the manufacturer part number with authorized distributor listings to confirm current availability and lead times.

Selection Notes

Select this model when a precise 4.5dB attenuation is required at frequencies up to 18 GHz. The 2W power handling capacity suits moderate power levels. The SMA in-line format facilitates easy insertion into existing transmission lines. Consider the military grade qualification for harsh environment durability compared to commercial alternatives.

Part Context

This component belongs to the M3933/16 series of fixed attenuators from Midwest Microwave. The series offers various attenuation values while maintaining consistent electrical performance across the 18 GHz bandwidth. It is designed to meet stringent military standards for consistency and longevity in critical defense and aerospace roles.

Replacement Considerations

M3933/16-21N serves as the gender-reversed substitute within the same series.