DFCH3942MHDJAA-RF1

Overview

The Murata DFCH3942MHDJAA-RF1 is a surface-mount SAW duplexer designed for RF signal conditioning. It operates at a center frequency of 942 MHz and features a 7-terminal SMD package with no leads. The component provides impedance matching and filtering capabilities essential for maintaining signal integrity in wireless communication systems.

Feature Summary

• Integrated SAW technology for efficient signal conditioning
• Compact leadless surface-mount design for space-constrained applications
• Optimized for specific cellular band frequencies

Applications

• Mobile phone transceivers
• Wireless communication modules
• Cellular base station interfaces

Procurement Notes

Verify the exact part number suffix against official Murata documentation to ensure correct pinout and electrical specifications. Confirm RoHS compliance status and check for any recent lifecycle notices such as NRND or obsolescence warnings before finalizing procurement plans.

Selection Notes

Select this component when a dedicated SAW duplexer is required for the 942 MHz band. Ensure the PCB layout supports the 7-terminal SMD footprint. Verify that the system's power handling requirements align with the device's maximum power capacity specifications found in the datasheet.

Part Context

This device belongs to Murata's Gigafil series of RF filters. It is engineered to replace discrete filter components, offering improved performance and reduced board space. The series is widely used in modern mobile devices requiring high selectivity and low insertion loss.

Replacement Considerations

Consult official Murata substitution guides for verified alternatives. Generic cross-references may not match the precise electrical characteristics or mechanical dimensions required for the original design.