M3933/25-60S

Overview

The M3933/25-60S is a military-grade RF attenuator manufactured by Cinch Connectivity Solutions Midwest Microwave. It provides a fixed attenuation value of 1 dB with a 50 Ohm impedance. The device operates within a frequency range of 0 Hz to 18 GHz and supports a power rating of 2 Watts. It utilizes SMA connectors in an in-line module configuration. The component complies with MIL-DTL-M3933 standards and is designated as QPL screened.

Feature Summary

• Complies with MIL-DTL-M3933 military specifications for rigorous performance standards
• Features SMA connectors designed for reliable in-line module integration
• Provides fixed 1 dB attenuation for precise signal level control
• Operates effectively across a wide frequency spectrum up to 18 GHz

Applications

• Military communication systems requiring certified RF components
• Aerospace test and measurement instrumentation
• Defense electronics signal processing chains
• Harsh environment radio frequency applications

Procurement Notes

Verify that the specific part number matches the required military specification compliance. Confirm connector gender and mating requirements for system integration. Ensure environmental ratings align with operational conditions. Check current availability status as these are specialized screened components. Validate documentation against latest manufacturer revisions before procurement.

Selection Notes

Select this model when a fixed 1 dB attenuation is required at frequencies up to 18 GHz. Consider the 2W power handling capability for high-power signal paths. The SMA interface dictates compatibility with existing connector infrastructure. Military screening ensures suitability for defense and aerospace reliability standards compared to commercial alternatives.

Part Context

This component belongs to the M3933/25 series of fixed attenuators from Midwest Microwave. It represents a standardized solution for RF signal management in critical applications. The series offers various attenuation values while maintaining consistent electrical characteristics and mechanical form factors suitable for modular assembly in professional RF environments.

Replacement Considerations

M3933/25-60N serves as a potential alternative within the same series, offering similar specifications with different connector or material variations. Verify exact electrical parameters and physical dimensions before substitution to ensure seamless integration without redesigning the host circuit board or chassis.