LFD21868MMF5E233

Overview

The LFD21868MMF5E233 is a balanced RF diplexer filter manufactured by Murata Electronics. It operates within the 863MHz to 876MHz band with a center frequency of 869.5MHz and a bandwidth of 13MHz. The component features a 2.1dB insertion loss, a 2.5dB maximum VSWR, and a 50Ohm impedance. It is housed in a compact 0805 (2012 Metric) surface-mount package with nine pins. This device is designed for signal conditioning applications requiring precise frequency selection.

Feature Summary

• Balanced RF diplexer configuration for signal conditioning
• Optimized for 863MHz to 876MHz ISM band operations
• Compact 0805 surface-mount footprint for space-constrained designs

Applications

• ISM band wireless communication modules
• Short-range radio frequency transceivers
• Signal conditioning in balanced RF circuits

Procurement Notes

This component is designated as End of Life and scheduled for obsolescence by the manufacturer. Procurement should be approached with caution due to potential discontinuation. Verify current availability through authorized distributors and consider long-term supply chain implications before finalizing orders. Replacement strategies may be necessary for sustained production runs.

Selection Notes

Select this component only if the specific 863-876MHz band requirements align with the system design. Note that the balanced configuration requires compatible circuit topology. Due to its End of Life status, alternative components with similar electrical characteristics and available lifecycle status should be evaluated for new designs to ensure long-term manufacturability.

Part Context

Murata's LFD series includes various LC filters and diplexers for RF applications. The LFD21868MMF5E233 specifically targets European ISM bands. It belongs to a family of passive components designed to mitigate interference and shape frequency responses in wireless devices. Its balanced nature distinguishes it from single-ended counterparts in the same product line.

Replacement Considerations

Publicly confirmed substitute part numbers are not explicitly listed in the provided documentation. Engineers should consult Murata's official obsolescence notices or contact technical support for validated alternatives. Generic equivalents may not match the balanced configuration or specific insertion loss parameters.