SF1120B

Overview

The SF1120B is a Surface Acoustic Wave (SAW) filter manufactured by Murata Electronics, designed for signal conditioning applications. It operates at a center frequency of 298.74 MHz and features a bandwidth of 2.2 MHz with an insertion loss of 12 dB. The component is housed in a compact 10-SMD, No Lead package, suitable for surface mount assembly. It supports a voltage rating of 30 V and is specifically engineered for GPS intermediate frequency filtering tasks.

Feature Summary

• Surface Acoustic Wave technology for precise signal filtering
• Optimized for GPS intermediate frequency applications
• Compact 10-SMD no-lead package design

Applications

• GPS receiver intermediate frequency stages
• Signal conditioning modules
• RF front-end filtering systems

Procurement Notes

Verify the exact part number against official Murata documentation to ensure compatibility with specific design requirements. Confirm that the 10-SMD package matches the PCB footprint. Check for any specific handling or storage guidelines provided in the datasheet to maintain component integrity during assembly and operation.

Selection Notes

Select this component when a SAW filter with a 298.74 MHz center frequency is required for GPS IF applications. Ensure the system can accommodate the specified 12 dB insertion loss and 2.2 MHz bandwidth. Verify that the 30 V voltage rating meets the circuit's operational limits and that the SMD package aligns with manufacturing capabilities.

Part Context

This component belongs to the SAW Filter category within Murata Electronics' portfolio. It is classified under Signal Conditioning products. The device is part of Murata's range of RF components designed for wireless communication systems, specifically targeting global positioning system infrastructure and receivers requiring stable intermediate frequency performance.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.