LFD21892MDP1A141

Overview

The LFD21892MDP1A141 is a chip multilayer diplexer manufactured by Murata Electronics. It operates within the RF frequency range, specifically covering 824MHz to 960MHz and 1710MHz to 1990MHz. The component utilizes an 8-pin CSMD package with dimensions corresponding to the 0805 (2012 Metric) case size. Key electrical specifications include an insertion loss of 0.4 dB. The device is designed for surface mount installation on printed circuit boards.

Feature Summary

• Integrates dual-band filtering capabilities within a compact multilayer ceramic structure
• Provides signal separation between distinct low and high frequency bands
• Designed for direct surface mount integration into RF circuitry

Applications

• Mobile communication devices requiring dual-band support
• RF front-end modules in wireless handsets
• Portable electronics utilizing specified cellular frequency ranges

Procurement Notes

Verify current lifecycle status as the component is scheduled for obsolescence. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing design specifications before procurement due to potential discontinuation risks.

Selection Notes

Select this component when specific dual-band performance at 824-960MHz and 1710-1990MHz is required. Consider the 0.4 dB insertion loss specification for signal integrity requirements. Evaluate the 0805 footprint constraints against available board space.

Part Context

This part belongs to Murata's line of chip multilayer diplexers. These components are engineered for RF applications where size reduction and performance stability are critical. The series supports various frequency combinations tailored for modern communication standards.

Replacement Considerations

Due to the scheduled obsolescence, identify alternative diplexers from Murata or other manufacturers that match the 824-960MHz/1710-1990MHz bands and 0805 footprint. Verify pinout compatibility and electrical parameters during substitution.