B144MB1S

Overview

The B144MB1S is a surface-mount bandpass filter manufactured by Knowles Dielectric Labs, designed for microwave signal conditioning applications. It operates at a center frequency of 14.5 GHz with a bandwidth of 1 GHz. The component features a nominal insertion loss of 2.5 dB and maintains a standard impedance of 50 Ohms. Constructed on ceramic substrate materials using microstrip technology, it offers high performance within a compact footprint suitable for board mounting.

Feature Summary

• Microstrip bandpass design fabricated on ceramic substrate materials
• High-performance signal conditioning for microwave applications
• Compact surface-mount footprint optimized for board integration

Applications

• Microwave communication systems
• RF signal filtering in wireless infrastructure
• Satellite navigation receivers

Procurement Notes

Verify the specific datasheet version to confirm mechanical dimensions and electrical tolerances prior to implementation. Ensure compatibility with 50-Ohm system impedance requirements. Confirm that the surface-mount package aligns with the target PCB land pattern specifications for reliable soldering and thermal management during assembly processes.

Selection Notes

Select this component when a narrow 1 GHz bandwidth is required around the 14.5 GHz frequency range. The low insertion loss characteristic makes it suitable for sensitive RF front-end stages where signal integrity is critical. Consider the physical size constraints of the application against the available surface-mount footprint options provided in the official documentation.

Part Context

This part belongs to the SMD Bandpass Filters series from Knowles Dielectric Labs, which provides high-performance 50-Ohm filters for microwave applications. These components are engineered for reliability in demanding RF environments, utilizing advanced ceramic substrate technologies to ensure stable performance across specified operating conditions.

Replacement Considerations

No public substitute part numbers are confirmed in the source data.