CER0121A

Overview

The CER0121A is a high-frequency ceramic duplexer designed for W-CDMA infrastructure applications. It operates at a center frequency of 2.14 GHz with a 2.45 GHz center band pass characteristic. The component utilizes a surface-mount monoblock package measuring 24.04 mm x 5.64 mm x 4.6 mm. It features silver-coated ceramic construction and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Surface-mount monoblock construction for compact integration
• Silver-coated ceramic body for durability
• Optimized for W-CDMA infrastructure signals

Applications

• W-CDMA base station infrastructure
• Telecommunications signal filtering
• High-frequency RF duplexing systems

Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with CTS Electronic Components or authorized distributors before procurement. Confirm that the surface-mount footprint dimensions align precisely with the target PCB layout. Ensure thermal management strategies accommodate the specified operating temperature range during installation in enclosed equipment enclosures.

Selection Notes

Select this component specifically for W-CDMA infrastructure projects requiring a 2.14 GHz center frequency. The surface-mount format necessitates compatible pick-and-place assembly processes. Evaluate the mechanical stability of the monoblock package against vibration requirements in the intended deployment environment.

Part Context

This part belongs to the Tusonix series of high-frequency ceramic filters, now under CTS Electronic Components. These components are engineered for robust performance in demanding telecommunications environments. The product line emphasizes stable switching characteristics and reliable thermal behavior for critical signal processing tasks.

Replacement Considerations

The CER0123A is a documented substitute within the same product family. Verify electrical compatibility and pin configuration alignment before substitution.