SF1186G

Overview

The Murata Electronics SF1186G is a Surface Acoustic Wave (SAW) bandpass filter designed for GPS front-end applications. It operates at a center frequency of 1575.42 MHz with a bandwidth of 2 MHz and an insertion loss of 1.5 dB. The component features a 50 Ohm impedance, AEC-Q200 qualification, and a 4-SMD no-lead package measuring 2.50mm x 2.00mm x 1.00mm.

Feature Summary

• Optimized for GPS RF signal conditioning
• Automotive-grade reliability certification
• Compact surface-mount footprint

Applications

• GPS receiver front-end filtering
• Automotive navigation systems
• GNSS module signal processing

Procurement Notes

Verify current availability status as the component may be discontinued or subject to limited supply. Confirm RoHS3 compliance and check for alternative sources if original manufacturing is halted. Ensure packaging type matches production requirements.

Selection Notes

Select this part for designs requiring precise 1575.42 MHz filtering with low insertion loss. Consider the 2 MHz bandwidth for narrowband GPS signals. Verify thermal performance within the -40 C to +85 C operating range for automotive or industrial environments.

Part Context

Part of the SF series SAW filters from Murata, specifically engineered for global positioning system applications. The device integrates acoustic wave technology to provide high selectivity in a small form factor suitable for modern electronic devices.

Replacement Considerations

Check for official substitute part numbers from Murata or compatible third-party equivalents that match the 1575.42 MHz center frequency and 2 MHz bandwidth specifications.