LDB185G3710G-120

Balun Overview

The LDB185G3710G-120 is a multi-layer hybrid balun manufactured by Murata Electronics, designed for RF and IF signal conditioning in wireless communication systems. It operates within the frequency range of 4.9 GHz to 5.85 GHz, providing balanced-to-unbalanced conversion with 50 Ohm impedance on both ports. The component utilizes a surface-mount technology (SMD) package suitable for automated assembly processes. This device is classified as an obsolete product scheduled for discontinuation by the manufacturer.

Balun Feature Summary

• Provides balanced-to-unbalanced signal conversion for RF applications
• Operates at high frequencies between 4.9 GHz and 5.85 GHz
• Features 50 Ohm impedance matching on differential and single-ended ports

Balun Applications

• Wireless communication systems
• RF signal conditioning circuits
• IF processing modules

Balun Procurement Notes

This component is officially designated as NRND (Not Recommended for New Designs) and is scheduled for obsolescence by Murata Electronics. Procurement should be limited to existing inventory or legacy system maintenance. Verify end-of-life status and final shipment dates directly with authorized distributors before committing to production orders.

Balun Selection Notes

Engineers selecting this part must account for its discontinued status. Alternative components from the same family, such as the LDB185G3705G-120 or LDB185G4220G-120, may offer similar functionality but require careful evaluation of impedance and frequency specifications. Ensure that any substitute part meets the original design requirements for size and performance.

Balun Part Context

The LDB185G3710G-120 belongs to Murata's line of multi-layer hybrid baluns. These components are engineered for compact integration into modern electronic devices requiring reliable RF signal integrity. As a Class 2 ceramic-based hybrid device, it balances performance with physical footprint constraints typical of mobile and wireless hardware.

Balun Replacement Considerations

Public confirmed substitutes include LDB185G3705G-120 and LDB185G4220G-120. Evaluate these alternatives for impedance match and frequency coverage compatibility.