LDB311G5020C-420

Balun Overview

The LDB311G5020C-420 is a multi-layer hybrid balun manufactured by Murata Electronics, designed for RF signal conditioning applications. It operates within a frequency range of 1.4 GHz to 1.6 GHz. The component provides an impedance transformation from 50 Ohms on the unbalanced side to 200 Ohms on the balanced side. It utilizes SMD/SMT termination style and is housed in a 1206 (3216 metric) package. The device is rated for a minimum operating temperature of -40°C and a maximum operating temperature of +85°C.

Balun Feature Summary

• Multi-layer hybrid construction utilizing copper conductors and ceramic materials for high-frequency performance.

Balun Applications

• RF signal conditioning circuits requiring impedance transformation.

Balun Procurement Notes

Verify current product status as this component may be listed as obsolete in certain distributor databases. Confirm availability through official Murata channels or authorized partners. Ensure the specific suffix matches design requirements. Check datasheet revisions for any parameter updates before finalizing procurement plans.

Balun Selection Notes

Select this component when a 50-to-200 Ohm impedance match is required within the 1.4-1.6 GHz band. The 1206 package size suits space-constrained PCB layouts. Consider thermal limits of -40°C to +85°C for environmental compatibility. Validate electrical specifications against system requirements prior to integration.

Balun Part Context

This part belongs to Murata's LDB series of multi-layer hybrid baluns. These components are engineered for RF applications using ceramic and copper technologies. The series supports various impedance ratios and frequency ranges tailored for modern wireless communication systems.

Balun Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Murata directly for equivalent or newer generation alternatives if this obsolete part is no longer sourced.