DEA252450BT-2109C3

Overview

The TDK DEA252450BT-2109C3 is a surface-mount LTCC bandpass filter designed for RF signal conditioning. It operates at a center frequency of 2.45 GHz with a bandwidth of 100 MHz and a nominal impedance of 50 ohms. The component utilizes a 1008 (2520 metric) package, measuring 2.50 mm in length, 2.00 mm in width, and 1.00 mm in height. It supports an operating temperature range from -40°C to +85°C and complies with RoHS3 standards.

Feature Summary

• Utilizes Low-Temperature Co-fired Ceramic (LTCC) technology for low insertion loss and low delay performance.
• Provides precise bandpass filtering characteristics optimized for specific RF frequency bands.
• Designed for compact surface-mount integration within high-density electronic assemblies.

Applications

• Wireless LAN (W-LAN) systems
• Bluetooth second-generation applications
• General RF signal conditioning circuits

Procurement Notes

Verify current availability status as the component is marked as obsolete or end-of-life by the manufacturer. Confirm that any substitute components meet the exact electrical specifications, particularly the 2.45 GHz center frequency and 100 MHz bandwidth, to ensure circuit compatibility. Check for updated datasheets regarding potential design-in restrictions or lifecycle notifications.

Selection Notes

Select this component for designs requiring a 2.45 GHz bandpass filter with a 100 MHz bandwidth. Ensure the PCB layout accommodates the 1008 package dimensions and 50-ohm impedance requirements. Consider the thermal operating range of -40°C to +85°C when evaluating environmental constraints for the final application.

Part Context

This part belongs to the TDK DEA series of LTCC bandpass filters. These components are engineered for wireless communication applications, offering reliable signal filtering in a small form factor. The DEA series is widely used in mobile devices and wireless infrastructure for managing RF signals.

Replacement Considerations

Würth Elektronik part number 748351124 is listed as a similar replacement option for this discontinued component.