M3933/25-32N

Overview

The M3933/25-32N is a coaxial attenuator manufactured by Amphenol SV Microwave, belonging to the SMA series. It features a male-to-female connector configuration with a 50 Ohm impedance. The component operates within a frequency range up to 18 GHz and provides a nominal attenuation of 6 dB. Designed for rugged environments, it supports a maximum operating temperature of +165°C and a minimum of -65°C. The unit is rated for 2 W power handling and is supplied in bulk packaging.

Feature Summary

• Provides fixed 6 dB signal attenuation in a compact coaxial form factor
• Supports high-frequency operation up to 18 GHz with stable 50 Ohm impedance
• Engineered for extreme thermal stability across a wide operational temperature range
• Utilizes durable SMA male-to-female interface for reliable interconnection

Applications

• Military and aerospace RF test and measurement systems
• High-frequency communication equipment requiring precise signal level control
• Radar system calibration and signal conditioning
• Defense electronics testing under harsh environmental conditions

Procurement Notes

Verify the specific datasheet version for the M3933/25-32N to confirm exact electrical tolerances and mechanical dimensions. Ensure that the procurement source provides official documentation from Amphenol SV Microwave or authorized distributors. Cross-reference the MIL-SPEC designation to guarantee compliance with required military standards for defense applications.

Selection Notes

Select this model when a fixed 6 dB attenuation is required at frequencies up to 18 GHz. The SMA interface ensures compatibility with standard RF infrastructure. Consider the 2 W power rating and wide temperature range for suitability in demanding operational environments. Verify that the male-to-female configuration matches the system interconnect requirements.

Part Context

This component is part of the M3933 series of RF attenuators designed for military specifications. It serves as a critical passive element for signal management in high-frequency circuits. The product line emphasizes reliability and performance in defense and aerospace sectors, offering various attenuation values within the same mechanical footprint.

Replacement Considerations

Compatible substitutes include other MIL-spec SMA attenuators with matching 6 dB attenuation and 18 GHz bandwidth. Ensure equivalent power ratings and temperature ranges are maintained. Verify interface gender and impedance consistency before substitution.