TB0438A

Saw Filters Overview

The TST TB0438A is a Surface Acoustic Wave (SAW) filter designed for general-purpose RF applications. It operates at a center frequency of 140 MHz with a bandwidth of 12 MHz and an insertion loss of 10.5 dB. The component utilizes a 12-SMD, No Lead package measuring 13.3x6.5 mm. It functions within an operating temperature range of -5°C to +85°C.

Saw Filters Feature Summary

• Surface Acoustic Wave technology for RF signal filtering
• General-purpose design suitable for wireless communication systems

Saw Filters Applications

• Wireless Communication
• RF Filtering in Cellular Phones
• Base Station Equipment

Saw Filters Procurement Notes

Verify the specific datasheet version against the manufacturer's official documentation to confirm electrical parameters such as insertion loss and bandwidth. Ensure the package type matches the required PCB footprint. Confirm that the operating temperature range meets the environmental requirements of the target application before finalizing procurement decisions.

Saw Filters Selection Notes

Select this component when a 140 MHz SAW filter is required for general-purpose RF applications. Consider the 12-SMD package size for board space constraints. Evaluate the 10.5 dB insertion loss against system link budget requirements. Verify compatibility with wireless communication standards requiring this specific frequency band.

Saw Filters Part Context

The TB0438A belongs to the TST TB series of Intermediate Frequency (IF) SAW filters. This series is primarily utilized in wireless communication devices, including cellular phones, base stations, GPS receivers, set-top boxes, WLAN, WiFi, and LTE equipment. TST is a recognized supplier of SAW devices.

Saw Filters Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer or authorized distributors for verified cross-reference data before considering alternative components.