LFB155G50CB1B948

Overview

The LFB155G50CB1B948 is a chip multilayer LC bandpass filter manufactured by Murata Electronics. It features a center frequency of 5.5 GHz and a bandwidth of 700 MHz. The device exhibits an insertion loss of 1.1 dB and is housed in a compact 0402 (1005 metric) surface-mount package with four pad terminals.

Feature Summary

• Integrates LC filter technology within a multilayer ceramic structure for signal conditioning
• Provides bandpass filtering characteristics optimized for radio frequency applications
• Utilizes a small 0402 footprint to support high-density board mounting

Applications

• Communication equipment RF front-ends
• Wireless infrastructure signal processing
• Radio frequency module integration

Procurement Notes

Verify the specific datasheet version and electrical tolerances against current design requirements before procurement. Confirm that the 0402 package dimensions align with the target PCB layout. Ensure compatibility with standard reflow soldering profiles for multilayer LC components. Check for any recent lifecycle status updates or recommended replacement parts from the manufacturer.

Selection Notes

Select this component when a 5.5 GHz center frequency with 700 MHz bandwidth is required. The low insertion loss of 1.1 dB makes it suitable for sensitive RF paths. The 0402 size is ideal for space-constrained designs. Consider thermal management and impedance matching networks during circuit design to optimize performance.

Part Context

This part belongs to Murata's LFB series of chip multilayer LC filters designed for communication equipment. These filters are engineered to provide precise frequency selection and noise rejection in RF circuits. The series is known for combining high performance with miniaturization, supporting modern wireless standards.

FAQ

What is the center frequency of the LFB155G50CB1B948?

The center frequency is 5.5 GHz.

What is the insertion loss specification?

The insertion loss is specified as 1.1 dB.