CER0111A

Overview

The CER0111A is a ceramic bandpass filter manufactured by Tusonix, a subsidiary of CTS Electronic Components. Designed for signal conditioning applications, this component operates at a center frequency of 1.88 GHz (1900 MHz). It functions as a PCS duplexer, providing necessary isolation and filtering for wireless communication systems. The device is surface-mountable and complies with RoHS3 standards.

Feature Summary

• Provides bandpass filtering characteristics centered at 1.88 GHz
• Functions as a PCS duplexer for signal conditioning
• Surface mount installation type for automated assembly

Applications

• PCS duplexing in wireless communication modules
• Signal conditioning in RF front-end circuits
• Frequency selection in 1.88 GHz band applications

Procurement Notes

Verify the manufacturer designation as Tusonix, a subsidiary of CTS Electronic Components, to ensure authenticity. Confirm the part number matches CER0111A exactly, as suffixes may indicate different packaging or variants not explicitly detailed in general listings. Check for RoHS3 compliance documentation if environmental regulations apply to your specific deployment requirements.

Selection Notes

Select this component when a ceramic bandpass filter is required specifically for the 1.88 GHz PCS band. Ensure the design accommodates surface mount technology constraints. Consider the electrical performance specifications from the official datasheet regarding insertion loss and rejection ratios to verify suitability for the target RF application environment.

Part Context

This component belongs to the CER series of ceramic filters produced by Tusonix/CTS. These components are engineered for electromagnetic compatibility and signal integrity in high-frequency applications. The series typically includes various center frequencies tailored for specific wireless standards and communication bands.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult the official manufacturer documentation for approved equivalents or cross-reference lists before attempting substitution.