HHM1583B1

Balun Overview

The HHM1583B1 is a surface-mount LTCC balun transformer manufactured by TDK Corporation. It operates within a frequency range of 3.1GHz to 4.9GHz, designed for RF signal conditioning applications. The component features a nominal unbalanced port impedance of 50 Ohms and a balanced port impedance of 100 Ohms. Key electrical specifications include a maximum insertion loss of 1.0dB, a minimum return loss of 10dB, and a phase difference of 180° ±10°. It is housed in an 0805 (2012 metric) package.

Balun Feature Summary

• Utilizes Low-Temperature Co-fired Ceramic (LTCC) technology for compact integration
• Provides conversion between 50 Ohm unbalanced and 100 Ohm balanced ports
• Designed for high-frequency RF signal processing applications

Balun Applications

• RF base station circuits
• Cellular communication systems
• RF connectivity modules

Balun Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability of recommended substitutes such as HHM1775D1 or similar alternatives like HHM1596A1. Ensure that replacement components meet the required impedance and frequency specifications for the target design.

Balun Selection Notes

Select this component for designs requiring a 100 Ohm balanced interface driven by a 50 Ohm source within the specified UWB frequency band. Consider the 0805 footprint constraints and surface mount installation requirements. Evaluate thermal performance and phase balance stability against application needs.

Balun Part Context

This part belongs to the HHM series of LTCC baluns from TDK. It is specifically engineered for wireless connectivity and cellular infrastructure. The component supports industrial temperature ranges and complies with RoHS3 standards. It serves as a critical interface element in modern RF front-end architectures.

Balun Replacement Considerations

Public confirmed substitute part numbers include HHM1775D1 and HHM1596A1. Verify pin compatibility and electrical parameter alignment when transitioning to these alternatives.