SF2176E

Overview

The Murata Electronics SF2176E is a Surface Acoustic Wave (SAW) filter designed for signal conditioning applications. It operates at a center frequency of 433.92 MHz with a bandwidth of 1.6 MHz. The component features an insertion loss of 2.2 dB and utilizes a 6-SMD, no-lead package. It is rated for operation between -40°C and +85°C and supports SMD/SMT termination types.

Feature Summary

• Surface Acoustic Wave technology for precise frequency filtering
• Compact surface-mount design for automated assembly
• Wide operating temperature range for environmental stability

Applications

• ISM band radio transceivers
• Remote keyless entry systems
• Wireless sensor networks

Procurement Notes

Verify current availability as the part status is listed as obsolete or limited supply across distributors. Confirm RoHS compliance and lead-free status through official datasheets before integration. Check for end-of-life notifications from Murata Electronics to ensure long-term project viability.

Selection Notes

Select this component for 433.92 MHz ISM band applications requiring low insertion loss. Ensure the 6-SMD package fits the PCB footprint constraints. Validate thermal performance within the specified -40°C to +85°C range for the target environment.

Part Context

The SF2176E belongs to Murata's SAW filter portfolio, targeting industrial, scientific, and medical frequency bands. It serves as a passive signal conditioning element in wireless communication circuits, providing frequency selectivity for transmitter and receiver stages.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, direct pin-compatible alternatives should be sourced via manufacturer cross-reference tools or verified engineering change notices.