LAT-20+

Overview

The LAT-20+ is a surface-mount fixed attenuator manufactured by Mini-Circuits, designed for RF and microwave applications. It provides a nominal attenuation of 20 dB across a wide frequency range from DC to 2500 MHz. The component operates with a 50-ohm impedance and features a maximum VSWR of 1.6. It is housed in the STO-143-4 package, suitable for SMD/SMT installation. The device supports an operating temperature range from -55°C to +85°C and handles up to 500 mW of power.

Feature Summary

• Wideband operation from DC to 2.5 GHz
• Excellent voltage standing wave ratio (VSWR)
• Surface-mount design for automated assembly

Applications

• RF signal level control
• Impedance matching networks
• Test and measurement equipment

Procurement Notes

Verify the specific datasheet version for the LAT-20+ to confirm exact electrical tolerances and mechanical dimensions. Ensure compatibility with the STO-143-4 footprint during PCB layout. Confirm that the operating environment stays within the specified -55°C to +85°C temperature range to maintain performance integrity.

Selection Notes

Select the LAT-20+ when a precise 20 dB attenuation is required in a compact surface-mount form factor. It is suitable for designs needing stable performance up to 2.5 GHz with low reflection due to its excellent VSWR characteristics. Consider the 500 mW power handling capability relative to the expected signal levels in the circuit.

Part Context

Mini-Circuits produces a broad portfolio of RF components, including attenuators, amplifiers, and mixers. The LAT series represents their line of fixed attenuators, offering reliable signal reduction solutions. These components are widely used in communication systems and instrumentation where consistent attenuation values are critical for system stability.

Replacement Considerations

Consult Mini-Circuits documentation for direct cross-references or alternative models within the LAT series that match the 20 dB attenuation and STO-143-4 package requirements.