TC9-1-75G2+

Balun Overview

The TC9-1-75G2+ is a core and wire RF transformer manufactured by Mini-Circuits, designed for surface mount applications. It operates within a frequency range of 300 kHz to 475 MHz. The device features a turns ratio of 1:0.11 and maintains a primary impedance of 75 Ohms. Packaged in the AT224-3 case style, it supports SMD/SMT termination types. This component is classified under Audio & Signal Transformers and adheres to RoHS standards, ensuring compliance with environmental regulations for electronic components.

Balun Feature Summary

• Provides precise signal conversion through a 1:0.11 turns ratio configuration
• Maintains stable 75 Ohm impedance matching across the operational bandwidth
• Utilizes compact core and wire construction for efficient surface mount integration

Balun Applications

• RF signal path impedance transformation
• Audio and intermediate frequency circuit interfacing
• Broadband signal distribution networks

Balun Procurement Notes

Verify the specific suffix G2+ against project requirements to ensure compatibility with lead-free manufacturing processes and RoHS directives. Confirm that the AT224-3 package dimensions align with the designated PCB footprint. Cross-reference the 75 Ohm impedance specification with system design parameters to guarantee proper signal integrity and minimize reflection losses in the target application environment.

Balun Selection Notes

Select this component when a step-down impedance transformation from 75 Ohms is required within the 300 kHz to 475 MHz spectrum. The choice is appropriate for designs prioritizing low profile surface mount assembly over through-hole alternatives. Consider the specific turns ratio to ensure voltage and current levels remain within safe operating limits for downstream circuitry.

Balun Part Context

This part belongs to the TC series of RF transformers from Mini-Circuits, which are engineered for high-performance signal processing. The series utilizes robust core and wire technology to deliver reliable operation in demanding RF environments. These components are integral to maintaining signal fidelity in systems requiring precise impedance control and broadband performance characteristics.

Balun Replacement Considerations

Direct substitutes include the TC9-1-75+ variant, which shares similar electrical specifications but may differ in packaging or compliance details. Evaluate alternative models within the TC9 family if specific frequency extensions or different impedance ratios are necessary for the application.