DEA202450BT-1261A2

Overview

The DEA202450BT-1261A2 is a multilayer bandpass filter manufactured by TDK Corporation, designed for radio frequency signal conditioning. It operates with a center frequency of 2.45 GHz and provides a bandwidth of approximately 100 MHz. The component features a 50 Ohm impedance and utilizes surface-mount device (SMD/SMT) termination for board mounting. It is housed in an 0805 (2012 Metric) package with dimensions of 2.00mm length, 1.25mm width, and 0.55mm thickness. The unit supports an operating temperature range from -30°C to 80°C.

Feature Summary

• Constructs a compact multilayer ceramic structure for RF filtering applications
• Provides precise bandpass characteristics centered at 2.45 GHz
• Utilizes surface-mount technology for automated assembly integration

Applications

• Wireless local area network (WLAN) systems
• Bluetooth communication modules
• ISM band radio frequency equipment

Procurement Notes

Verify the specific suffix code to ensure correct electrical tolerances and packaging configuration. Confirm current product status as this series may be subject to obsolescence or design phase restrictions. Cross-reference physical dimensions against the target PCB footprint to guarantee mechanical compatibility during installation.

Selection Notes

Select this component when a fixed 2.45 GHz center frequency is required for ISM band applications. Ensure the system impedance matches the 50 Ohm specification of the filter. Evaluate the thermal environment to confirm operation within the specified -30°C to 80°C range for reliable performance.

Part Context

This part belongs to the DEA series of LTCC bandpass filters from TDK. These components are engineered for high-frequency signal integrity in compact electronic devices. The DEA series typically offers low insertion loss and high out-of-band rejection suitable for modern wireless standards.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative RF filters based on identical center frequency, bandwidth, and package dimensions.