B289KA0S

Overview

The B289KA0S is a surface mount bandpass filter manufactured by Knowles Dielectric Labs, designed for signal conditioning applications. It operates at a center frequency of 28.9 GHz and utilizes microstrip technology on ceramic substrates to deliver excellent performance within a compact footprint. This component employs classical filter topologies to ensure reliable high-frequency attenuation and signal integrity in space-constrained electronic designs.

Feature Summary

• Utilizes microstrip technology on ceramic substrates for high-frequency stability
• Employs classical filter topologies to yield excellent RF performance
• Designed with a compact footprint suitable for space-constrained applications

Applications

• High-frequency signal conditioning circuits
• RF systems requiring precise bandpass filtering
• Space-constrained electronic assemblies

Procurement Notes

Verify the specific manufacturing lead time, which may extend up to 18 weeks, prior to procurement planning. Confirm regional availability as distribution status can vary. Ensure compatibility with standard surface mount assembly processes. Review the official datasheet for detailed mechanical dimensions and electrical specifications before finalizing integration into the design.

Selection Notes

Select this component when a 28.9 GHz center frequency is required for bandpass filtering. The device is suitable for applications demanding high performance in a small form factor. Consider its ceramic construction for thermal stability. Verify that the surface mount package aligns with the PCB layout constraints and assembly capabilities of the target manufacturing process.

Part Context

This part belongs to the Knowles Dielectric Labs microstrip bandpass filter series. These components are engineered for RF applications where size and performance are critical. The series leverages low-loss dielectric materials to maintain signal quality across operating temperatures, providing a robust solution for modern high-frequency communication and sensing systems.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative filters from the same manufacturer only if they match the 28.9 GHz center frequency and compatible surface mount package dimensions.