ECS-DCF-103

Overview

The ECS-DCF-103 is a dielectric ceramic bandpass filter manufactured by ECS Inc. It operates with a center frequency of 5.665 GHz and supports a bandwidth of 350 MHz, covering a range from 5490 MHz to 5840 MHz. The component features an insertion loss of 2.5 dB and maintains a system impedance of 50 Ohms. Designed for surface mount applications, it utilizes a 3-SMD, no lead package with dimensions of 0.339 inches in length and 0.181 inches in width. The device withstands 50V DC voltage and offers a minimum insulation resistance of 100 MΩ. Operating temperatures range from -40°C to +85°C.

Feature Summary

• Dielectric ceramic construction for stable RF signal conditioning
• Surface mount design compatible with automated assembly processes
• High insulation resistance ensuring electrical isolation

Applications

• Wireless communication systems requiring 5.665 GHz filtering
• RF front-end modules in microwave equipment
• Signal processing circuits operating within the specified bandwidth

Procurement Notes

Verify the specific datasheet version provided by ECS Inc. or authorized distributors to confirm current manufacturing status and exact physical tolerances. Ensure compatibility with existing PCB footprint designs regarding the 3-SMD no-lead package dimensions. Cross-reference technical specifications against application requirements to validate performance under intended thermal conditions.

Selection Notes

Select this component when a fixed center frequency of 5.665 GHz is required for bandpass filtering applications. Consider the 2.5 dB insertion loss and 350 MHz bandwidth constraints relative to system signal integrity needs. Evaluate the surface mount form factor against available board space and assembly capabilities.

Part Context

This part belongs to the dielectric ceramic filter category produced by ECS Inc. These components are engineered for high-frequency signal conditioning tasks where compact size and reliable performance are critical. The series typically serves industries demanding precise frequency selection in microwave and radio frequency environments.

Replacement Considerations

Consult official ECS documentation for verified substitute part numbers. Do not assume interchangeability with generic filters lacking identical center frequency and impedance specifications.