LAT-8+

Overview

The LAT-8+ is a surface-mount fixed attenuator manufactured by Mini-Circuits, designed for RF applications from DC to 2.5 GHz. It provides a nominal attenuation of 8 dB with a 50 Ohm impedance and a power handling capacity of 0.5 Watts (500 mW). The component utilizes a TO-253-4 package, offering wideband performance and excellent VSWR characteristics suitable for signal level control in communication systems.

Feature Summary

• Wideband operation covering DC to 2.5 GHz frequency range
• Surface-mount construction for automated PCB assembly
• Maintains 50 Ohm system impedance throughout operating band

Applications

• RF signal level adjustment in test and measurement equipment
• Impedance matching and signal conditioning in wireless communication modules
• Attenuation stages in S-band upconverter designs

Procurement Notes

Verify the specific datasheet version when sourcing, as Mini-Circuits periodically updates component specifications. Confirm that the TO-253-4 footprint matches your PCB design requirements. Ensure the selected variant meets the required power handling and frequency stability for your specific application environment before finalizing procurement.

Selection Notes

Select this component when an 8 dB fixed attenuation value is required within the 2.5 GHz bandwidth. The surface-mount package facilitates compact circuit layouts compared to coaxial alternatives. Consider the 500 mW power rating to ensure safe operation under maximum signal conditions without thermal degradation or performance drift.

Part Context

This part belongs to Mini-Circuits' LAT+ series of fixed attenuators, which are engineered for high reliability in RF environments. The series offers various attenuation values in standardized packages, allowing engineers to build consistent signal chains. The LAT-8+ specifically addresses needs for moderate signal reduction in broadband applications.

Replacement Considerations

Direct substitutes include other Mini-Circuits models from the LAT+ series with identical attenuation and package dimensions. Cross-brand replacements must match the 50 Ohm impedance, 8 dB nominal value, and TO-253-4 footprint to ensure mechanical and electrical compatibility without redesigning the host circuit.