DEA202450BT-1294D1-H

Overview

The DEA202450BT-1294D1-H is a surface-mount bandpass filter from TDK's DEA series, designed for signal conditioning in wireless applications. 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 features an insertion loss of 1.02 dB and is housed in a compact 0805 (2012 metric) package. It supports SMD/SMT board mounting and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Provides RF signal filtering for WLAN and Bluetooth multi-band systems
• Utilizes a compact 0805 surface-mount footprint for space-constrained designs
• Ensures stable operation across industrial temperature ranges

Applications

• WLAN module integration
• Bluetooth device front-end circuits
• Multi-band wireless communication systems

Procurement Notes

Verify the specific suffix D1-H against official TDK documentation to confirm exact electrical tolerances and pin configurations. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by regional regulations.

Selection Notes

Select this component when a 2.45 GHz center frequency and 100 MHz bandwidth are required for WLAN or Bluetooth applications. The 0805 package size suits boards with limited real estate. Consider the 1.02 dB insertion loss specification for signal integrity requirements. Verify that the 50 Ohm impedance matches the system design parameters.

Part Context

This component belongs to the TDK DEA series of multilayer ceramic bandpass filters. These filters are engineered for high-frequency RF applications, offering reliable performance in consumer electronics and wireless infrastructure. The DEA series is known for its stability and compact form factor, suitable for modern mobile devices.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult TDK technical support for direct replacements or updated equivalents within the DEA series.