DEA202450BT-7077A1

Overview

The DEA202450BT-7077A1 is a bandpass RF filter manufactured by TDK Corporation, designed for EMI/RFI suppression applications. It operates at a center frequency of 2.45GHz with a bandwidth of 100MHz. The component features an insertion loss of 2.9dB and is housed in a compact 0805 (2012 Metric) surface-mount package measuring 2.00mm x 1.25mm x 1.05mm. It utilizes an 8-pad board configuration and complies with RoHS3 standards.

Feature Summary

• Provides bandpass filtering for radio frequency signals to suppress electromagnetic interference.
• Utilizes Low Temperature Co-fired Ceramic (LTCC) technology for stable performance.
• Designed for surface-mount assembly on printed circuit boards.

Applications

• EMI/RFI suppression in wireless communication devices
• Power line filtering for RF circuits
• Signal conditioning in 2.4GHz ISM band equipment

Procurement Notes

Verify the current lifecycle status as this part number is listed as discontinued in multiple distributor databases. Confirm availability through authorized channels or check for valid replacement components if active procurement is required. Ensure the specific suffix matches the exact electrical specifications needed for the design.

Selection Notes

Select this component when a 2.45GHz bandpass filter with 100MHz bandwidth is required in an 0805 footprint. Consider the 2.9dB insertion loss specification against system link budget requirements. Verify that the 8-pad SMD package aligns with the PCB layout constraints and thermal management needs of the target application.

Part Context

This component belongs to the TDK DEA series of LTCC filters. These filters are engineered for high reliability in compact electronic designs. The DEA series typically offers consistent performance across various RF frequencies, supporting modern wireless standards requiring precise frequency selection and noise rejection.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the part is discontinued, consult TDK official resources for recommended replacements within the DEA series or equivalent LTCC filter families.