SF1186H-2

Overview

The Murata Electronics SF1186H-2 is a Surface Acoustic Wave (SAW) filter designed for GPS applications. It operates at a center frequency of 1575.42 MHz with a bandwidth of 2 MHz and an insertion loss of 1.15 dB. The component features a 50 Ohm impedance and is housed in a compact 4-SMD, No Lead package measuring 2.00mm x 1.60mm x 0.90mm. It supports surface mount installation and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Surface Acoustic Wave technology for precise signal filtering
• Optimized for Global Positioning System front-end applications
• Compact surface-mount footprint for space-constrained designs

Applications

• GPS receiver front-end modules
• Navigation system signal conditioning
• GNSS application filtering

Procurement Notes

Verify current lifecycle status as the product is listed as obsolete or end-of-life by major distributors. Confirm availability through authorized channels or secondary markets if immediate procurement is required. Ensure compatibility with existing PCB layouts due to the specific 4-SMD package dimensions.

Selection Notes

Select this component for designs requiring a 1575.42 MHz SAW filter with low insertion loss. Consider the 2 MHz bandwidth when evaluating signal integrity requirements. Verify that the operating temperature range meets environmental specifications for the target deployment scenario.

Part Context

This part belongs to the SF series of RF SAW filters manufactured by Murata Electronics. These components are specifically engineered for radio frequency signal processing in communication devices. The SF1186H-2 variant targets the L1 band commonly used in global navigation satellite systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, alternative sourcing should be evaluated carefully against technical specifications.