TC4-14+

Balun Overview

The TC4-14+ is a surface-mount RF transformer manufactured by Mini-Circuits, designed for operation within the 200 MHz to 1.4 GHz frequency range. This component features a 1:4 impedance ratio and utilizes a core and wire construction method. It is housed in an AT224 package style, which facilitates automated pick-and-place assembly processes. The device operates with a nominal 50Ω impedance system, ensuring compatibility with standard RF circuit architectures.

Balun Feature Summary

• Core and wire transformer construction for reliable signal conversion
• Surface mount design compatible with automated assembly equipment
• Optimized for 50Ω balanced-to-unbalanced signal transformation

Balun Applications

• RF signal path balancing and unbalancing
• Impedance matching in wireless communication modules
• Signal distribution in high-frequency test equipment

Balun Procurement Notes

Verify that the specific ordering suffix matches the required termination and packaging configuration. Confirm that the AT224 package outline aligns with the target PCB footprint dimensions. Ensure the frequency range specifications meet the operational requirements of the intended application circuit before finalizing procurement orders.

Balun Selection Notes

Select this component when a 1:4 impedance transformation ratio is required between 200 MHz and 1.4 GHz. Consider the surface mount profile for space-constrained designs. Evaluate insertion loss characteristics against system budget requirements. Verify thermal management needs based on expected power levels in the RF signal path.

Balun Part Context

This part belongs to the Mini-Circuits family of RF transformers, which provides various impedance ratios and frequency ranges. The TC4-14+ specifically addresses applications requiring a 1:4 ratio in the UHF and lower microwave bands. It complements other models offering different ratios or frequency coverage within the same product line.

Balun Replacement Considerations

Consult official Mini-Circuits documentation for confirmed substitute part numbers. Verify electrical parameters and physical dimensions match before substitution.