SF1186B-2

Overview

The Murata Electronics SF1186B-2 is a GPS RF SAW filter designed for signal conditioning applications. It operates at a center frequency of 1575.42 MHz with a bandwidth of 15.3 MHz and an insertion loss of 2.68 dB. The component features a 50 Ohm impedance, a voltage rating of 4 V, and utilizes SMD/SMT surface mount technology in a 6-SMD, No Lead package measuring 3.00mm x 3.00mm. It functions within a temperature range of -40°C to +85°C.

Feature Summary

• Surface Acoustic Wave (SAW) technology for precise RF signal filtering
• Optimized for GPS band signal conditioning
• Compact 6-SMD no-lead package design

Applications

• GPS receiver front-end modules
• Global navigation satellite system (GNSS) devices
• Portable electronic positioning equipment

Procurement Notes

Verify current availability status as the component lifecycle status indicates discontinuation. Confirm compatibility with existing PCB footprints and reflow soldering profiles. Check for authorized substitute part numbers from Murata or other manufacturers if original supply is unavailable. Ensure compliance with RoHS directives and environmental specifications for the intended deployment environment.

Selection Notes

Select this component for applications requiring high selectivity at the L1 GPS frequency. Consider the low insertion loss and compact form factor for space-constrained designs. Evaluate thermal performance against the specified operating temperature range. Assess integration requirements with surrounding RF circuitry to ensure impedance matching and signal integrity.

Part Context

The SF1186B-2 belongs to the SF series of signal conditioning filters manufactured by Murata Electronics. This series focuses on RF SAW filters tailored for specific communication bands. The component represents a specialized solution for GPS applications, distinguishing itself through its dedicated center frequency and bandwidth characteristics optimized for satellite navigation signals.

Replacement Considerations

Public confirmed substitute part numbers are not explicitly listed in the provided documentation. Consult Murata Electronics official resources for recommended replacements or cross-reference with similar GPS SAW filters from other manufacturers ensuring identical electrical parameters and package dimensions.