LDB21897M05C-001

Balun Overview

The LDB21897M05C-001 is a hybrid balun manufactured by Murata Electronics, designed for signal conditioning applications. It operates within the frequency range of 880 MHz to 915 MHz and provides a nominal impedance of 50 Ohms for both balanced and unbalanced ports. The component features a maximum insertion loss of 1.4 dB and supports a maximum power capacity of 1 Watt. It is housed in an 0805 (2012 Metric) surface-mount package, suitable for board mounting in compact electronic designs.

Balun Feature Summary

• Hybrid balun design for RF signal conversion
• Surface-mount construction for automated assembly
• Optimized for ISM band operations

Balun Applications

• Wireless sensor networks
• Industrial, Scientific, and Medical (ISM) devices
• RFID tag antennas

Balun Procurement Notes

Verify the specific datasheet version when sourcing this component, as Murata may release updates that affect mechanical dimensions or electrical tolerances. Confirm that the 0805 footprint matches your PCB layout requirements precisely. Ensure that the operating temperature range aligns with your system's environmental conditions. Cross-reference the manufacturer part number against authorized distributors to avoid counterfeit components. Check for any recent lifecycle status changes before finalizing procurement plans.

Balun Selection Notes

Select this component when a compact solution is required for converting between balanced and unbalanced signals in the 868-915 MHz range. The 0805 package size offers a balance between performance and space efficiency for dense circuit boards. Consider the 1.4 dB insertion loss limit when designing for high-efficiency power transfer. This part is suitable for applications where low profile and reliable RF performance are critical constraints.

Balun Part Context

This component belongs to Murata's LDB series of chip multilayer hybrid baluns. These devices are engineered to provide phase and amplitude balance between differential and single-ended lines. The series is widely used in wireless communication systems requiring compact RF front-end solutions. The LDB21897M05C-001 specifically targets industrial and medical frequency bands.

Balun Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.