B280LA0S-T

Overview

The B280LA0S-T is a surface mount bandpass filter manufactured by Knowles Dielectric Labs. It operates within the 27.5 to 28.5 GHz frequency range, centered at 28.0 GHz. The component features a 50 Ohm impedance and utilizes SMD/SMT termination types for board mounting. It is designed to function reliably across an operating temperature range from -55°C to +125°C. The insertion loss is specified as less than 4.5 dB. The device is supplied in reel packaging.

Feature Summary

• Provides signal conditioning through bandpass filtering capabilities in the millimeter-wave spectrum.
• Engineered for surface mount technology integration onto printed circuit boards.
• Constructed to maintain operational stability under extreme thermal conditions ranging from -55°C to +125°C.

Applications

• Millimeter-wave communication systems
• Satellite navigation receivers
• High-frequency radar applications

Procurement Notes

Verify the specific datasheet for the B280LA0S-T variant against the DEB-B280LA0S evaluation board documentation to ensure compatibility with design requirements. Confirm that the surface mount package dimensions align with the target PCB footprint. Validate that the electrical specifications meet the system's noise figure and isolation standards before finalizing procurement decisions.

Selection Notes

Select this component when a bandpass filter is required for frequencies around 28 GHz. Ensure the design accommodates the surface mount form factor and the specified thermal operating range. Compare the insertion loss characteristics against other available filters in the same frequency band to determine suitability for low-loss signal paths.

Part Context

This part belongs to the Knowles Dielectric Labs bandpass filter series, which includes various models such as B200LA0S-T and B274MB1S-T. These components are categorized under signal conditioning products. The manufacturer specializes in dielectric resonator filters for high-frequency applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative models within the same product family based on frequency center and bandwidth requirements.