DEA162450BT-2181D1

Overview

The TDK DEA162450BT-2181D1 is a Low-Temperature Co-Fired Ceramic (LTCC) bandpass filter designed for RF signal conditioning. It operates with a center frequency of 2.45 GHz and a bandwidth defined by insertion loss characteristics. The component features a 50-ohm impedance and utilizes a surface-mount 0603 (1608 metric) package with four terminals. It supports an operating temperature range from -40°C to +85°C and complies with RoHS directives.

Feature Summary

• Utilizes LTCC technology for low insertion loss and latency performance
• Provides precise bandpass filtering in a compact surface-mount footprint
• Engineered for stable operation across industrial temperature ranges

Applications

• Wireless connectivity modules including Wi-Fi and Bluetooth
• IoT device RF front-end signal conditioning
• Smartphone and tablet communication circuits

Procurement Notes

Verify the specific datasheet version as the DEA series has been subject to End-of-Life notifications. Confirm availability through authorized distributors, as stock levels fluctuate. Ensure the ordering suffix matches the required insertion loss specification. Check for alternative components if new design implementation is planned due to lifecycle status.

Selection Notes

Select this component when a 2.45 GHz center frequency is required within a 0603 package. Compare insertion loss values against system sensitivity requirements. Verify that the LTCC construction meets thermal and mechanical constraints. Ensure compatibility with standard SMT assembly processes for the specified terminal configuration.

Part Context

This part belongs to the TDK DEA series of RF filters. The series utilizes LTCC manufacturing to achieve high performance in small form factors. These components are widely used in wireless infrastructure and consumer electronics requiring reliable RF filtering at ISM bands.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The DEA series has received End-of-Life notifications; consult official TDK channels for current lifecycle status and potential obsolescence management strategies.