DEA204700BT-2307A1

Overview

The TDK DEA204700BT-2307A1 is a multilayer bandpass filter designed for EMI/RFI suppression in the 4400–5000 MHz frequency range. It features a compact 2.0x1.25mm (EIA 0805) surface-mount package with silver-plated terminations. The device operates within a temperature range of -40 to +90°C and maintains a nominal characteristic impedance of 50 ohms. Insertion loss typically measures 0.85 dB, while return loss reaches 21.0 dB typical value within the passband.

Feature Summary

• Multilayer ceramic construction optimized for high-frequency signal integrity
• Compact 0805 footprint suitable for space-constrained RF layouts
• Designed for effective EMI and RFI attenuation in wireless applications

Applications

• 5G-H mobile communication systems
• RF front-end modules requiring bandpass filtering
• Wireless infrastructure equipment operating in the 4.4–5.0 GHz range

Procurement Notes

Verify the specific suffix 2307A1 against the latest official TDK datasheet to confirm current manufacturing status and exact electrical tolerances. Ensure compatibility with standard reflow soldering profiles for 0805 packages. Confirm that the 50-ohm impedance matches system requirements before integration.

Selection Notes

Select this component when a low-profile bandpass filter is required for frequencies between 4400 and 5000 MHz. The 0805 case size offers a balance between performance and board space efficiency. Consider the -40 to +90°C operating range for environmental suitability in consumer or industrial devices.

Part Context

This part belongs to the TDK DEA series of multilayer filters. These components are engineered for high-reliability RF applications where small form factors and precise frequency response are critical. The DEA series utilizes advanced ceramic materials to achieve sharp cutoff characteristics and low insertion loss.

FAQ

What is the physical package size of the DEA204700BT-2307A1?

The component uses an EIA 0805 surface-mount package with dimensions of 2.00mm length, 1.25mm width, and a maximum thickness of 0.65mm.

Does this filter support operation at temperatures below zero?

Yes, the DEA204700BT-2307A1 is rated for an operating temperature range from -40°C to +90°C.