LFD21859MDP2A076

Overview

The LFD21859MDP2A076 is a chip multilayer diplexer manufactured by Murata Electronics. It operates within a frequency range of 859 MHz to 1.92 GHz. The component utilizes a surface-mount package with dimensions of 2.00mm x 1.25mm x 1.05mm, corresponding to the 0805 (2012 Metric) footprint. It features an eight-pad configuration for PCB mounting. The device supports operating temperatures from -40°C to +85°C and complies with RoHS3 standards. It is classified under ECCN EAR99 and has a moisture sensitivity level of 1.

Feature Summary

• Integrates dual-band filtering capabilities within a compact multilayer ceramic structure
• Designed for surface-mount assembly on printed circuit boards
• Constructed to withstand industrial temperature variations

Applications

• RF signal conditioning in wireless communication modules
• Frequency separation in mobile device transceivers
• Integration into compact RF front-end assemblies

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm current availability as distribution may be limited. Ensure handling procedures align with MSL Level 1 requirements. Validate that the specific suffix matches design specifications. Check for alternative sources if primary supply is discontinued.

Selection Notes

Evaluate compatibility with target frequency bands between 859 MHz and 1.92 GHz. Assess physical space constraints against the 0805 package dimensions. Consider thermal management requirements for operation up to 85°C. Verify interface compatibility with existing PCB layout designs. Review regulatory compliance needs regarding RoHS3 and environmental classifications.

Part Context

This component belongs to the LFD21 series of chip multilayer diplexers. It represents Murata's solution for integrating RF filtering functions into small form factors. The series is designed to support modern electronic devices requiring efficient signal processing in limited spaces.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for potential cross-references or updated series replacements.