HHM1522A7

Balun Overview

The HHM1522A7 is a surface-mount RF balun manufactured by TDK Corporation, designed for GSM and general mobile communication applications. It operates within a passband of 824 to 894 MHz with a bandwidth of 70 MHz. The component features balanced ports with a characteristic impedance of 50 Ohms on both sides. Physically, it measures 2.00mm in length, 1.25mm in width, and 0.95mm in thickness, suitable for compact wireless infrastructure and equipment integration.

Balun Feature Summary

• Provides balanced-to-unbalanced signal conversion for RF front-end modules
• Optimized for GSM frequency bands with 50-Ohm impedance matching
• Compact surface-mount package design for space-constrained PCB layouts

Balun Applications

• Mobile phone RF front-end circuits
• Wireless LAN transceivers
• Cellular base station and repeater systems

Balun Procurement Notes

Verify the specific manufacturer part number against official TDK documentation to ensure authenticity. Confirm that the device meets the required GSM frequency range and impedance specifications for your circuit design. Check for any updated safety or environmental certifications prior to final procurement approval.

Balun Selection Notes

Select this component when designing for GSM band operations requiring a compact balun solution. Ensure the PCB layout accommodates the specified 2.00mm x 1.25mm footprint. Verify thermal requirements against the -40 to 85°C operating temperature range for your specific application environment.

Balun Part Context

This component belongs to the TDK HHM Series, which focuses on high-performance RF baluns for mobile communications. It serves as a critical interface between differential and single-ended lines in wireless devices, ensuring signal integrity across the designated frequency spectrum.

Balun Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult official TDK resources for potential cross-reference options if supply constraints arise.

Balun FAQ

What is the operating frequency range of the HHM1522A7?

The component operates within a passband of 824 to 894 MHz.

What is the physical package size of this balun?

The dimensions are 2.00mm in length, 1.25mm in width, and 0.95mm in thickness.