HHM15112A1

Balun Overview

The HHM15112A1 is an RF balun manufactured by TDK Corporation, designed for operation within the 900MHz to 2.2GHz frequency range. It provides impedance transformation between unbalanced and balanced lines with values of 75 ohms and 100 ohms respectively. The component utilizes a surface-mount 0805 (2012 Metric) package featuring a 6-pad board configuration. Key electrical specifications include a maximum insertion loss of 1.1dB, a minimum return loss of 10dB, and a phase difference of 180° ±15°. It operates within a temperature range of -40°C to 85°C.

Balun Feature Summary

• Provides RF signal conversion between balanced and unbalanced transmission lines
• Supports dual impedance configurations of 75 ohms and 100 ohms
• Maintains stable phase difference of 180 degrees across the operating bandwidth

Balun Applications

• Wireless communication systems requiring impedance matching
• RF front-end circuits in mobile devices
• Antenna interface networks

Balun Procurement Notes

Verify current availability status as product data indicates potential discontinuation or end-of-life conditions. Confirm specific ordering suffixes such as TR or CT for tape and reel versus cut tape packaging options. Ensure compatibility with existing design requirements before procurement.

Balun Selection Notes

Select this component for applications requiring compact surface-mount integration in the 900MHz to 2.2GHz spectrum. Consider the 0805 footprint constraints and 6-pad layout during PCB design. Evaluate insertion loss and return loss specifications against system performance thresholds.

Balun Part Context

This component belongs to the HHM series of RF baluns produced by TDK Corporation. It serves as a passive device for signal integrity management in high-frequency circuits. The part is distinct from other TDK components like varistors or power supplies found in general catalogs.

Balun Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify if alternative baluns from the same manufacturer meet identical electrical and mechanical specifications.