PE7391-3

Overview

The Pasternack PE7391-3 is a 3 dB fixed attenuator designed for RF applications up to 3 GHz. It features an SMA male-to-SMA female in-line configuration with a black anodized aluminum heatsink body. The component is rated for 5 Watts power handling at the specified attenuation value, ensuring reliable performance in microwave systems requiring precise signal reduction.

Feature Summary

• Fixed 3 dB attenuation across the operational frequency range
• SMA male to SMA female connector interface for direct integration
• Black anodized aluminum heatsink body for thermal management

Applications

• RF signal level adjustment in test and measurement setups
• Microwave system impedance matching and protection
• Communication equipment signal conditioning

Procurement Notes

Verify the exact model number PE7391-3 against official Pasternack documentation to confirm SMA connectivity and 3 GHz rating. Ensure compatibility with existing connector types and power requirements before procurement. Cross-reference datasheets for specific environmental ratings and mechanical dimensions.

Selection Notes

Select this attenuator when a fixed 3 dB reduction is required within a 3 GHz bandwidth. Consider the SMA interface compatibility and 5 Watt power rating for your specific application needs. Evaluate the aluminum heatsink design for thermal dissipation requirements in enclosed spaces.

Part Context

This component belongs to Pasternack's series of fixed RF attenuators, which offer various attenuation values and connector configurations. The PE7391-3 specifically addresses the need for moderate signal reduction in high-frequency circuits using standard SMA interfaces.

Replacement Considerations

Compatible substitutes include other 3 dB fixed attenuators with SMA connectors from Pasternack or equivalent manufacturers, provided they meet the 3 GHz frequency and 5 Watt power specifications.