LFB431G54SN1-822

Overview

The LFB431G54SN1-822 is a surface-mount monolithic LC bandpass filter manufactured by Murata Electronics. Designed for signal conditioning applications, this component operates at a center frequency of 1.54 GHz with a nominal impedance of 50 Ohms. It is engineered to function within an operating temperature range starting from -40°C. The device utilizes a compact SMD package suitable for automated assembly processes, including tape and reel configurations.

Feature Summary

• Provides bandpass filtering characteristics for RF signal paths
• Engineered for high-frequency operation at 1.54 GHz
• Compatible with standard 50 Ohm system impedance environments

Applications

• RF front-end modules in wireless communication devices
• Signal conditioning circuits requiring specific frequency selection
• Base station equipment operating in the 1.54 GHz band

Procurement Notes

Verify the exact datasheet version and mechanical dimensions prior to integration. Confirm that the 50 Ohm impedance rating aligns with your circuit design requirements. Ensure compatibility with the specified minimum operating temperature of -40°C for your intended environmental conditions.

Selection Notes

Select this component when a dedicated bandpass filter is required for 1.54 GHz applications. Consider the SMD form factor for space-constrained PCB layouts. Validate that the insertion loss and rejection specifications meet the system's noise floor and interference mitigation needs.

Part Context

This part belongs to Murata's lineup of ceramic and monolithic LC filters designed for RF signal processing. These components are typically used to isolate desired frequency bands from unwanted noise or harmonics in high-frequency electronic systems, ensuring signal integrity in sensitive receiver or transmitter chains.