KAT-8+

Overview

The KAT-8+ is an absorptive fixed attenuator fabricated using a highly reliable GaAs MMIC process. It operates from DC to 43.5 GHz with an attenuation value of 8 dB. The component features a 50 Ohm impedance and handles up to 1.2W of power. It utilizes a 6-TDFN package with an exposed pad for enhanced thermal dissipation, providing direct heat transfer from the die to the PCB.

Feature Summary

• Absorptive design utilizing GaAs MMIC technology for high reliability
• Wideband operation covering DC to 43.5 GHz frequencies
• 6-TDFN package with exposed pad for efficient thermal management

Applications

• RF signal level control in microwave circuits
• Impedance matching in high-frequency transmission lines
• Signal attenuation in test and measurement equipment

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required performance specifications. Confirm that the package type matches the intended PCB layout requirements. Check for any recent updates to the electrical parameters or environmental ratings before finalizing procurement orders.

Selection Notes

Select this component when a fixed 8 dB attenuation is required within the DC to 43.5 GHz range. Consider the 1.2W power handling capability and the thermal benefits of the exposed pad design for applications requiring robust heat dissipation. Ensure the 50 Ohm system impedance aligns with the surrounding circuit design.

Part Context

This part belongs to Mini-Circuits' line of fixed attenuators designed for RF and microwave applications. It represents a surface-mount solution offering precise attenuation values without the need for external tuning. The series provides consistent performance across wide bandwidths for various communication systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify if other models within the same family offer different attenuation values or frequency ranges suitable for alternative designs.