TB0203B

Overview

The TB0203B is a Surface Acoustic Wave (SAW) filter manufactured by TST. It operates at a center frequency of 140 MHz with a bandwidth of 9.4 MHz. The device features an insertion loss of 12.5 dB and is housed in a 12-SMD, no-lead package. This component is designed for general RF applications within the specified frequency range.

Feature Summary

• Utilizes Surface Acoustic Wave technology for signal filtering
• Designed for general RF application scenarios
• Available in a compact surface-mount package

Applications

• General RF filtering
• Wireless communication systems
• Base station equipment

Procurement Notes

Verify the manufacturer part number TB0203B against official TST documentation to ensure authenticity. Confirm that the 12-SMD package and 140 MHz specifications match your design requirements. Check for authorized distributor status to avoid counterfeit components. Ensure compatibility with your PCB layout and assembly processes before finalizing procurement.

Selection Notes

Select this component when a 140 MHz SAW filter with 9.4 MHz bandwidth is required. Consider the 12.5 dB insertion loss impact on system gain. Verify that the 12-SMD package fits your board space constraints. Compare performance against other TST models if specific frequency or bandwidth adjustments are needed.

Part Context

The TB0203B belongs to TST's SAW filter portfolio, which includes various RF components for wireless communications. TST is a supplier of surface acoustic wave devices and modules. This specific model targets general RF applications requiring filtering at 140 MHz.

Replacement Considerations

Consult official TST documentation for direct substitutes. Cross-reference with other TST SAW filters offering similar 140 MHz center frequencies and comparable bandwidths. Verify pinout and package compatibility before substitution.