DEA161953BT-2303B1-H

Overview

The DEA161953BT-2303B1-H is a bandpass RF filter manufactured by TDK Corporation, designed for signal conditioning in wireless applications. It operates within the 1805 MHz to 1880 MHz frequency range with a center frequency of 1.95 GHz and a bandwidth of 145 MHz. The component features a 50Ω impedance and exhibits an insertion loss of 2.2 dB. It is housed in a compact 0603 (1.6mm x 0.8mm) surface-mount package with four pads. The device supports an operating temperature range from -40°C to 85°C.

Feature Summary

• Provides selective frequency filtering for radio signals within specified bands
• Utilizes a compact surface-mount design for space-constrained circuit layouts
• Maintains 50Ω impedance matching for standard RF transmission lines

Applications

• Wireless connectivity modules
• RF front-end signal conditioning
• IoT device communication circuits

Procurement Notes

Verify the exact part number DEA161953BT-2303B1-H against manufacturer datasheets to ensure compatibility with specific frequency requirements. Confirm package dimensions and terminal configurations match PCB layout constraints. Check for RoHS compliance status if required by project specifications. Ensure storage conditions adhere to recommended temperature ranges to maintain component integrity prior to assembly.

Selection Notes

Select this component when a narrow bandpass filter is required around 1.95 GHz with low insertion loss. Consider the 0603 footprint for board space optimization. Evaluate thermal performance within the -40°C to 85°C range against environmental conditions. Compare bandwidth specifications against adjacent channel interference requirements to ensure adequate signal isolation.

Part Context

This component belongs to TDK's DEA series of passive RF filters. These devices are engineered for high-performance signal processing in modern wireless infrastructure. The series offers various frequency options tailored for different global communication standards. Integration into compact electronic systems allows for efficient spectrum management without significant signal degradation.

Replacement Considerations

Consult official TDK documentation for verified substitute part numbers. Cross-reference frequency ranges and impedance values before substitution. Verify package compatibility to avoid rework. Generic equivalents may not meet specific attenuation or bandwidth requirements.