M3933/25-39N

Overview

The M3933/25-39N is a fixed RF attenuator manufactured by Amphenol SV Microwave, designed for high-frequency applications. It features SMA male-to-female connectors and operates within a frequency range of DC to 18 GHz. The component provides an attenuation value of 13 dB with a nominal impedance of 50 ohms. It supports a maximum power rating of 2 watts and functions reliably across an operating temperature range from -65 °C to +165 °C. Constructed with stainless steel, this bulk-packaged unit meets military specifications for robust performance in demanding environments.

Feature Summary

• Provides precise signal attenuation using SMA male-to-female interface connections
• Operates effectively at frequencies up to 18 GHz with 50 ohm impedance
• Constructed from durable stainless steel materials for environmental resilience

Applications

• Military radio systems requiring stable signal levels
• Test and measurement equipment calibration setups
• High-frequency communication infrastructure components

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to confirm connector gender and attenuation values. Ensure compatibility with existing SMA interfaces and check that the 2-watt power rating aligns with system requirements. Confirm packaging details and compliance standards prior to ordering.

Selection Notes

Select this model when a 13 dB attenuation value is required within the 18 GHz bandwidth. Consider the stainless steel construction for durability and the wide temperature range for harsh environment suitability. Verify that the SMA male-to-female configuration matches the circuit design needs.

Part Context

This component belongs to the M3933 series of RF fixed attenuators from Amphenol SV Microwave. The series offers various attenuation values and connector configurations tailored for military and aerospace applications. The M3933/25-39N specifically addresses the need for moderate signal reduction in high-frequency SMA-based systems.

Replacement Considerations

M3933/25-39S is a parameter-equivalent alternative from the same manufacturer.