B39451B3558U310

Overview

The B39451B3558U310 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm for RF front-end applications. It operates at a center frequency of 449.14 MHz with a bandwidth of 350 kHz and an insertion loss of 2.2 dB. The component is housed in an 8-SMD, No Lead package with physical dimensions of 5.00 mm x 5.00 mm.

Feature Summary

• Surface Acoustic Wave technology for signal filtering
• Designed for RF front-end integration
• Compact surface-mount packaging

Applications

• Remote control RF systems
• Portable devices
• Energy-efficient systems

Procurement Notes

Verify current availability as the product is listed as no longer manufactured. Confirm compatibility with existing designs before procurement. Check for authorized distributors or alternative sources if direct supply is unavailable. Ensure specifications match system requirements precisely.

Selection Notes

Select this component for applications requiring a 449.14 MHz SAW filter with specific bandwidth constraints. Consider the 8-SMD package size for board layout compatibility. Evaluate insertion loss characteristics against system sensitivity requirements.

Part Context

This part belongs to Qualcomm's RF front-end filter portfolio, engineered for mobile, PC, and IoT applications. It supports multimode modem-RF systems, leveraging industry-leading performance standards for wireless connectivity solutions.

Replacement Considerations

Public confirmed substitute part numbers are not available. As the product is discontinued, engineers must identify equivalent components based on matching electrical parameters and package dimensions from other manufacturers.