TC4-11+

Balun Overview

The TC4-11+ is a surface-mount RF balun transformer manufactured by Mini-Circuits, designed for impedance conversion between unbalanced and balanced circuits. It operates within a frequency range of 2 MHz to 1.1 GHz, providing an impedance ratio of 12.5:50 ohms. The component features a maximum insertion loss of 2.0 dB and a minimum return loss of 18.37 dB. Packaged in a compact 5-SMD module, it supports RoHS3 compliance and is suitable for high-frequency signal processing applications requiring reliable impedance matching.

Balun Feature Summary

• Converts signals between unbalanced and balanced configurations with specified impedance ratios
• Operates across a wide frequency spectrum from 2 MHz to 1.1 GHz
• Utilizes a compact surface-mount 5-SMD module package for automated assembly

Balun Applications

• RF circuit impedance matching
• Balanced-to-unbalanced signal conversion
• High-frequency signal processing systems

Balun Procurement Notes

Verify the specific suffix (+) indicates RoHS3 compliance when sourcing. Confirm the 5-SMD package dimensions match your PCB footprint requirements. Check manufacturer datasheets for precise electrical tolerances at target frequencies. Ensure supply chain partners provide valid certificates of conformity for environmental standards before finalizing orders.

Balun Selection Notes

Select this component when a 12.5:50 ohm impedance transformation is required within the 2 MHz to 1.1 GHz bandwidth. Consider the 2.0 dB insertion loss limit for power-sensitive designs. The surface-mount format is ideal for space-constrained PCB layouts. Evaluate return loss specifications against system reflection requirements to ensure signal integrity.

Balun Part Context

This part belongs to the TC4 series of audio and signal transformers produced by Mini-Circuits. The series includes various models tailored for different impedance ratios and frequency ranges. The TC4-11+ specifically addresses applications needing conversion between 12.5 and 50 ohm systems using surface-mount technology.

Balun Replacement Considerations

The TC4-11G2+ is a documented variant within the same product family. Verify if the G2 suffix denotes any functional or packaging differences relative to the standard TC4-11+ model before substitution.