LFB212G45SG8A125

Overview

The Murata LFB212G45SG8A125 is a ceramic bandpass filter designed for wireless applications. It operates at a center frequency of 2.45 GHz with a bandwidth of ±50 MHz. The component features a 50 Ohm impedance and utilizes an SMD/SMT end type in an 0805 (2012 metric) package. It supports board mounting and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Utilizes ceramic construction for stable signal filtering performance
• Optimized for 2.45 GHz ISM band applications
• Compact surface-mount design suitable for space-constrained PCBs

Applications

• Wireless LAN modules
• Bluetooth transceivers
• ISM band communication devices

Procurement Notes

Verify the specific suffix SG8A125 against official Murata documentation to confirm exact electrical tolerances and pin configuration. Ensure compatibility with existing PCB footprint dimensions for the 0805 package. Confirm RoHS compliance status through current manufacturer declarations before integration into production lines.

Selection Notes

Select this component when a compact, low-profile bandpass filter is required for 2.45 GHz signals. The 0805 package offers a balance between size and handling ease. Consider thermal operating limits of -40°C to +85°C for environmental suitability. Verify insertion loss requirements against application specifications.

Part Context

This part belongs to Murata's LFB series of ceramic filters. These components are engineered for high reliability in consumer electronics and industrial wireless systems. The series provides consistent performance across varying manufacturing batches, ensuring predictable behavior in RF front-end designs.

Replacement Considerations

Check for direct cross-references from Murata or authorized distributors. Verify that any substitute matches the 2.45 GHz center frequency, 50 Ohm impedance, and 0805 package dimensions to ensure mechanical and electrical compatibility.