M3933/25-64N

Overview

The M3933/25-64N 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 a nominal attenuation of 3 dB with a 50 Ohm impedance. It supports a maximum input power of 2 W and functions reliably across an operating temperature range from -65°C to +165°C.

Feature Summary

• Provides precise 3 dB signal attenuation in a compact inline module design
• Utilizes durable SMA connector interface for secure RF connections
• Engineered for wide thermal stability suitable for demanding environments

Applications

• Satellite communication systems requiring signal level adjustment
• Microwave circuit testing and measurement setups
• Defense electronics utilizing MIL-spec components

Procurement Notes

Verify the specific datasheet version for the M3933/25-64N to confirm current manufacturing status and compliance certifications. Ensure that the SMA connector gender matches the system requirements before integration. Cross-reference the thermal specifications against the intended operational environment to guarantee reliability under extreme conditions.

Selection Notes

Select this model when a fixed 3 dB attenuation is required at frequencies up to 18 GHz. The SMA interface ensures compatibility with standard test equipment and microwave assemblies. Consider the 2 W power rating and wide temperature range when designing for robust military or aerospace applications where signal integrity is critical.

Part Context

This component belongs to the M3933 series of space-grade attenuators from Amphenol SV Microwave. These devices are specifically engineered for satellite and microwave circuits, offering reliable performance in harsh environments. The series includes various attenuation values and connector types to support diverse RF system architectures.

Replacement Considerations

M3933/25-64S is listed as a parameter-equivalent alternative.