DEA161990LT-1182A8

Overview

The DEA161990LT-1182A8 is a multilayer low pass filter designed for RF applications. It operates with a center frequency of 1.85 GHz and provides a bandwidth of 280 MHz. The component features a 50 Ohms impedance and utilizes an SMD surface mount package in the 0603 (1608 Metric) size. Physical dimensions are 1.60mm length, 0.80mm width, and 0.80mm thickness. It supports an operating temperature range from -40°C to 85°C.

Feature Summary

• Multilayer construction for reliable RF signal filtering
• Designed for specific cellular band frequencies around 1.85 GHz
• Compact 0603 surface mount footprint for space-constrained PCBs

Applications

• Wireless communication modules
• Smartphone RF front ends
• IoT device signal conditioning

Procurement Notes

Verify current availability status as the part may be scheduled for obsolescence. Confirm exact packaging details and lead times directly with authorized distributors or TDK Corporation before placing orders. Ensure compatibility with existing design specifications regarding impedance and frequency response.

Selection Notes

Select this component when a low pass filter is required for the 1.85 GHz range with a 280 MHz bandwidth. The 50 Ohms impedance matches standard RF transmission lines. The 0603 package size is suitable for high-density board layouts requiring small form factors.

Part Context

This component belongs to TDK's series of multilayer ceramic RF filters. These devices are engineered to attenuate unwanted high-frequency noise while passing desired signals. They are commonly integrated into wireless connectivity solutions to maintain signal integrity in mobile and IoT hardware.

Replacement Considerations

Check for direct substitutes within the same family, such as DEA161990LT-1180A1, ensuring identical electrical parameters and mechanical dimensions match the original design requirements.