SF1186H-3

Overview

The RFMi SF1186H-3 is a Surface Acoustic Wave (SAW) bandpass filter designed for signal conditioning applications. It operates at a center frequency of 1.57542 GHz with a bandwidth of 2 MHz, covering a range from 1.57442 GHz to 1.57742 GHz. The component features a 50 Ohms impedance and a maximum rated voltage of 3 V. It exhibits an insertion loss of 1.8 dB and is housed in an SM-2016-4 surface-mount package. The device is qualified under AEC-Q200 standards and supports board mounting via SMD/SMT termination. It functions within a temperature range of -40°C to +105°C.

Feature Summary

• AEC-Q200 qualified reliability for automotive-grade signal integrity
• High-frequency SAW technology optimized for GPS L1 band filtering
• Compact SM-2016-4 surface-mount form factor for space-constrained designs

Applications

• GPS receiver front-end filtering
• GNSS navigation module signal conditioning
• Automotive telematics systems
• Satellite communication receivers

Procurement Notes

Verify the specific suffix and packaging configuration when ordering, as availability may vary between cut tape and reel formats. Confirm that the supplier provides original manufacturer documentation to ensure the component meets the AEC-Q200 qualification requirements. Cross-reference the part number with official RFMi catalogs to validate the SM-2016-4 package dimensions and electrical specifications against current production data.

Selection Notes

Select this component for designs requiring precise filtering at the 1.57542 GHz frequency with strict size constraints. Ensure the circuit environment supports the 3 V rating and 50 Ohms system impedance. Consider the operating temperature range of -40°C to +105°C for environmental compatibility. This filter is suitable for applications demanding low insertion loss and high selectivity in compact electronic assemblies.

Part Context

The SF1186H-3 belongs to the RFMi SF series of signal conditioning products. This series focuses on providing reliable filtering solutions for radio frequency applications. The component utilizes SAW technology to achieve efficient signal processing in a small footprint. It is manufactured by RFMi, which offers a portfolio of filters for various communication standards.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing circuit layouts if considering alternative SAW filters from other manufacturers.