TA2156A

Overview

The TA2156A is a Surface Acoustic Wave (SAW) filter manufactured by TST, designed for GPS RF applications. It operates at a center frequency of 1176.45 MHz with a bandwidth of 20 MHz and an insertion loss of 3.6 dB. The component utilizes a 5-SMD, No Lead package with dimensions of 1.4x1.1 mm.

Feature Summary

• Surface Acoustic Wave technology for RF signal filtering
• Optimized for Global Positioning System reception
• Compact surface-mount design

Applications

• GPS receiver front-end modules
• Satellite navigation systems
• Mobile device positioning circuits

Procurement Notes

Verify the specific datasheet version against the manufacturer's official documentation to confirm electrical tolerances and packaging details. Ensure compatibility with the target PCB footprint and reflow soldering profiles. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a compact SAW filter is required for L-band GPS frequencies. Consider the 20 MHz bandwidth and low profile for space-constrained designs. Evaluate insertion loss requirements against system sensitivity specifications before finalizing the bill of materials.

Part Context

TST specializes in RF SAW filters for communication devices. The TA2156A belongs to their portfolio of miniature filters targeting global navigation satellite systems. This series supports the miniaturization trends in modern consumer electronics and automotive navigation hardware.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.