B279KB1S-T

Overview

The B279KB1S-T is a surface mount bandpass filter manufactured by Knowles Dielectric Labs, designed for signal conditioning applications. It operates at a center frequency of 27.9 GHz with a standard 50 Ohms impedance. The component supports board mounting via SMD/SMT termination and functions within an operating temperature range of -55°C to +125°C. This device belongs to the Bandpass series and is supplied in tape and reel packaging.

Feature Summary

• Provides bandpass filtering capabilities centered at 27.9 GHz
• Designed for surface mount integration on printed circuit boards
• Maintains stable performance across extended industrial temperature ranges

Applications

• High-frequency wireless communication systems
• Microwave signal processing circuits
• Test and measurement instrumentation

Procurement Notes

Verify the specific datasheet version for the B279KB1S-T to confirm exact insertion loss and rejection characteristics prior to design finalization. Ensure that the procurement channel provides original manufacturer documentation to validate RoHS compliance status. Cross-reference the package dimensions with your PCB footprint library to guarantee accurate mechanical fit during assembly.

Selection Notes

Select this component when a fixed 27.9 GHz bandpass response is required for high-frequency signal paths. The 50 Ohm impedance matches standard RF transmission lines, simplifying system integration. Consider the thermal stability limits if the application environment exceeds standard commercial ranges, as the device supports operation up to 125°C.

Part Context

This part belongs to the Knowles Dielectric Labs B-series of microwave filters. These components are engineered for compact form factors suitable for modern electronic assemblies. The product line focuses on providing reliable signal integrity in demanding RF environments through precision dielectric construction techniques.

Replacement Considerations

Publicly confirmed substitute part numbers for the B279KB1S-T were not identified in available documentation. Verify compatibility with alternative suppliers by matching the 27.9 GHz center frequency, 50 Ohm impedance, and SMD package specifications.