DEA252450BT-2031A1

Overview

The TDK DEA252450BT-2031A1 is a signal conditioning LTCC band pass filter designed for RF applications. It operates with a center frequency of 2.45 GHz and a bandwidth of 100 MHz, covering the 2400-2500 MHz range. The device exhibits an insertion loss of 1.5 dB and maintains a system impedance of 50 Ohms. It is housed in a 1008 (2520 metric) surface mount package with four terminals. The component supports an operating temperature range from -40°C to 85°C.

Feature Summary

• Utilizes Low Temperature Co-fired Ceramic (LTCC) technology for low insertion loss and low delay performance.
• Provides precise band pass filtering characteristics centered at 2.45 GHz with a 100 MHz bandwidth.
• Designed for surface mount integration within compact electronic assemblies.

Applications

• Wireless communication systems requiring 2.45 GHz signal conditioning
• RF front-end modules utilizing LTCC band pass filters
• Signal processing circuits operating within the 2400-2500 MHz spectrum

Procurement Notes

Verify current product status as this component has been subject to End-of-Life announcements by TDK Corporation. Confirm availability through authorized distributors or check for manufacturer-recommended alternatives if active procurement is required. Ensure compatibility with existing design specifications before sourcing.

Selection Notes

Select this component for designs requiring a 2.45 GHz center frequency with 100 MHz bandwidth. The 1008 package size suits space-constrained layouts. Verify that the 1.5 dB insertion loss meets system link budget requirements. Ensure the -40°C to 85°C operating range aligns with environmental conditions.

Part Context

This part belongs to the TDK DEA series of RF filters. These components are engineered for cellular and wireless connectivity applications. The series utilizes LTCC construction to achieve high performance in small form factors. This specific model targets the ISM band around 2.45 GHz.

Replacement Considerations

TDK recommends DEA202450BT-2175A1-H as a substitute. Verify electrical parameters and physical dimensions match original design requirements before substitution.

FAQ

What is the center frequency of the DEA252450BT-2031A1?

The center frequency is 2.45 GHz.

What is the package type for this filter?

It uses a 1008 (2520 metric) surface mount package.