B39401B3742H110

Overview

The B39401B3742H110 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. It operates at a center frequency of 400 MHz with a bandwidth of 250 kHz and an insertion loss of 2.3 dB. The component features a 6-SMD, no-lead package measuring 3 mm x 3 mm. It supports a maximum voltage rating of 6 V and a nominal impedance of 50 Ohms. The device functions within a temperature range of -40°C to +105°C.

Feature Summary

• Surface Acoustic Wave technology for signal conditioning
• Compact 3 mm x 3 mm surface mount footprint
• High thermal stability across industrial temperature ranges

Applications

• Remote control systems
• Industrial ISM band applications

Procurement Notes

Verify the specific manufacturer designation on the datasheet, as sources attribute this part to both RF360 and Qualcomm. Confirm the package type matches the design requirement, noting discrepancies between 6-SMD and 8-SMD descriptions in available documentation. Ensure the 400 MHz center frequency aligns with the target application before procurement.

Selection Notes

Select this component for designs requiring a 400 MHz SAW filter with low insertion loss. The 3 mm x 3 mm package suits space-constrained layouts. Verify compatibility with 50 Ohm system impedance and ensure the operating environment stays within the specified -40°C to +105°C range for reliable performance.

Part Context

This part belongs to the B39401 series of RF front-end filters. These components are engineered for wireless connectivity solutions, leveraging acoustic technologies to address filtering challenges in mobile and IoT devices. The series supports various frequency bands required for modern communication standards.

Replacement Considerations

No public confirmed substitute part numbers are available.