B39911B3949H110

Overview

The B39911B3949H110 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm Technologies for RF front-end applications. It operates at a center frequency of 433.92 MHz, specifically designed for remote control systems. The component features an insertion loss of 1.9 dB and a bandwidth of 340 kHz. It is housed in a compact 4-SMD, no-lead package with surface mount installation. Physical dimensions are 5.00 mm in length and 3.50 mm in width, with a maximum height of 1.45 mm. This device supports reliable signal filtering in wireless connectivity environments.

Feature Summary

• Utilizes Surface Acoustic Wave technology for precise RF signal filtering
• Optimized for low insertion loss to maintain signal integrity
• Designed for compact surface-mount integration in remote control hardware

Applications

• Remote control systems
• Wireless connectivity devices
• IoT sensor networks

Procurement Notes

Verify the specific ordering suffix and packaging configuration against official distributor catalogs before procurement. Confirm that the component meets current RoHS3 compliance standards required for your manufacturing process. Ensure compatibility with standard surface-mount reflow profiles during assembly planning. Cross-reference the manufacturer part number with authorized supply channels to avoid counterfeit components.

Selection Notes

Select this component when designing circuits requiring a 433.92 MHz SAW filter with minimal signal attenuation. Consider the 4-SMD package size constraints within the PCB layout. Evaluate the 340 kHz bandwidth suitability for the specific data rate requirements of the remote control application. Ensure the operating temperature range aligns with the environmental conditions of the final product deployment.

Part Context

This component belongs to Qualcomm's portfolio of RF front-end filters, which includes various SAW and BAW technologies. These products are engineered to address challenges in 4G, 5G, Wi-Fi, and IoT connectivity. The B39911 series specifically targets industrial and consumer applications requiring robust filtering solutions for sub-GHz frequencies.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Qualcomm replacement guides or authorized distributors for equivalent components if this part is discontinued or unavailable.