SF1186H

Overview

The Murata Electronics SF1186H 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. The component features an insertion loss of 1.15 dB and a nominal impedance of 50 Ohms. It supports a voltage rating of 3 V and utilizes SMD/SMT termination types within a 4-SMD, No Lead package. The device functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Surface Acoustic Wave technology for precise signal conditioning
• Optimized for GPS RF front-end integration
• Compact surface-mount packaging for automated assembly

Applications

• GPS receiver front-end filtering
• GNSS signal processing modules
• Navigation system RF stages

Procurement Notes

Verify current availability status as the product may be discontinued or subject to limited supply constraints. Confirm RoHS compliance details and specific manufacturing origin through official datasheets before procurement planning. Check for obsolescence notifications from Murata Electronics to ensure long-term project viability.

Selection Notes

Select this component when a narrow 2 MHz bandwidth is required specifically for L1 GPS frequencies. Ensure the design accommodates the 4-SMD footprint and 50 Ohm system impedance. Consider thermal management within the specified operating range if deployed in high-temperature environments.

Part Context

This part belongs to the SF series of RF SAW filters manufactured by Murata Electronics. It serves as a specialized solution for global positioning systems, distinguishing itself through its specific center frequency alignment with standard GPS bands and its compact form factor suitable for modern electronic devices.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative SAW filters only after consulting official Murata Electronics cross-reference guides.