LFB212G45SG8A131

Overview

The Murata LFB212G45SG8A131 is a ceramic bandpass filter with a center frequency of 2.45 GHz and a bandwidth of ±50 MHz. It operates in the 2.4 GHz ISM band, featuring a maximum insertion loss of 2.6 dB at 25°C within the specified bandwidth. The component utilizes an SMD/SMT package in the 0805 (2012 metric) footprint. It supports surface mount board mounting and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Provides signal filtering for the 2.45 GHz band using ceramic technology
• Designed for surface mount integration via 0805 footprint
• Operates across industrial temperature ranges from -40°C to +85°C

Applications

• WLAN systems
• Bluetooth modules
• ISM band communication devices

Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical tolerances and packaging specifications. Confirm RoHS compliance status through current datasheets. Ensure the source provides valid traceability for this discontinued or legacy part number before finalizing procurement decisions.

Selection Notes

Select this component for applications requiring precise 2.45 GHz bandpass characteristics in compact designs. The 0805 package suits space-constrained PCB layouts. Verify that the required insertion loss and bandwidth align with system specifications. Consider thermal performance limits when designing for high-temperature environments.

Part Context

This component belongs to Murata's ceramic filter series, designed for RF signal conditioning. It serves as a passive electronic component for frequency selection in wireless communications. The product line focuses on miniaturization and reliability for consumer electronics and industrial IoT applications.

Replacement Considerations

Check for direct substitutes such as LFB212G45SG8A192 or LFL212G45TC1A007. Verify pin compatibility and electrical parameter alignment before substitution. Consult official Murata notices for discontinuation updates.