DEA205425BT-2190E2

Overview

The TDK DEA205425BT-2190E2 is a surface-mount RF bandpass filter designed for high-frequency signal conditioning. It operates with a center frequency of 5.435 GHz and features a bandwidth of 100 MHz. The component exhibits an insertion loss of 0.81 dB and maintains a 50Ω impedance characteristic. Housed in a compact 0805 (2012 Metric) package measuring 2.00mm x 1.25mm x 1.00mm, it utilizes a four-pad board configuration. This device is RoHS compliant and classified under EAR99 export control codes.

Feature Summary

• Provides selective signal passage within the specified RF band while attenuating out-of-band frequencies
• Engineered for low insertion loss to preserve signal integrity in high-frequency circuits
• Designed for reliable surface-mount integration into compact electronic assemblies

Applications

• Wireless communication systems requiring precise RF filtering
• Signal conditioning modules in high-frequency data processing equipment
• Industrial applications utilizing RF components

Procurement Notes

Verify part authenticity through authorized TDK channels or certified distributors. Confirm RoHS3 compliance status and check for obsolete status indicators, as this specific model may be discontinued. Ensure ESD handling protocols are followed during storage and installation. Validate that the 0805 footprint matches the target PCB design requirements before procurement.

Selection Notes

Select this component when a 5.435 GHz center frequency with 100 MHz bandwidth is required. The 0.81 dB insertion loss makes it suitable for sensitive RF paths. Consider the 0805 package size for space-constrained designs. Verify compatibility with 50Ω system impedance. Evaluate alternative models if higher bandwidth or different center frequencies are needed.

Part Context

This component belongs to the TDK DEA series of multilayer bandpass filters. These devices are engineered for RF applications requiring stable performance at microwave frequencies. The series typically offers various center frequencies and bandwidth options to suit diverse wireless standards. The DEA205425BT-2190E2 specifically targets the 5.435 GHz range.

Replacement Considerations

DEA205425BT-2190E1 is listed as an alias or related variant. Verify electrical specifications match exactly before substitution. No other direct public substitutes are confirmed.