DEA212450BT-7031A1

Overview

The DEA212450BT-7031A1 is a surface-mount band-pass filter manufactured by TDK Corporation using low-temperature co-fired ceramic (LTCC) technology. Designed for EMI and RFI suppression, it operates within a frequency range of 729MHz to 2690MHz with a center frequency of 2.45GHz. The component features a compact 0805 package measuring 2.0mm x 1.25mm x 0.95mm. It supports an operating temperature range from -40°C to 85°C and exhibits a maximum insertion loss of 2.6 dB.

Feature Summary

• Utilizes LTCC technology for low insertion loss and latency performance
• Provides effective EMI and RFI suppression in the 2.4GHz ISM band
• Compact surface-mount design suitable for space-constrained applications

Applications

• Wireless LAN modules
• Bluetooth devices
• Zigbee transceivers

Procurement Notes

Verify the specific datasheet version before procurement, as specifications are subject to change without notice. Confirm that the LTCC construction meets your thermal management requirements for the intended operating environment. Ensure compatibility with standard reflow soldering profiles for 0805 components. Cross-reference the part number with official TDK documentation to confirm current production status and availability constraints.

Selection Notes

Select this component when a compact band-pass filter is required for 2.4GHz wireless applications. Its LTCC construction offers advantages in size and performance compared to traditional solutions. Consider the maximum insertion loss specification relative to system link budget requirements. Evaluate the physical dimensions against available PCB real estate constraints.

Part Context

This component belongs to TDK's DEA series of multilayer band-pass filters. These filters are specifically engineered for RF front-end applications requiring signal integrity in crowded spectral environments. The series leverages advanced ceramic processing to achieve consistent electrical characteristics across high-volume manufacturing runs.

Replacement Considerations

Consult official TDK documentation for confirmed substitute part numbers. Alternative components may require verification of footprint compatibility and electrical parameter alignment.