TC4-19G2+

Balun Overview

The TC4-19G2+ is a surface-mount RF transformer manufactured by Mini-Circuits, designed for broadband applications. It operates within a frequency range of 10 MHz to 1.9 GHz and features a 1:4 impedance transformation ratio. The component utilizes a core and wire construction with 50 Ohm primary and secondary impedances. It supports a maximum DC current of 30 mA and has a power rating of 250 mW. The device is housed in a compact SMD package measuring 3.81 mm x 3.81 mm x 3.81 mm. It functions as a single-channel balun suitable for high-frequency signal processing.

Balun Feature Summary

• Provides 1:4 impedance transformation for balanced-to-unbalanced signal conversion
• Operates across a wide bandwidth from 10 MHz to 1.9 GHz
• Utilizes robust core and wire construction for reliable performance

Balun Applications

• RF signal balancing in communication systems
• Broadband transformer circuits requiring 50 Ohm to 200 Ohm conversion
• High-frequency signal processing modules

Balun Procurement Notes

Verify the specific suffix G2 against official Mini-Circuits documentation to confirm exact electrical characteristics and pinout configuration. Ensure the ordering part number matches the required impedance ratio and frequency specifications. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement orders.

Balun Selection Notes

Select this component when a 1:4 impedance transformation is required within the 10 MHz to 1.9 GHz range. Consider the 3.81 mm cubic package dimensions for PCB layout constraints. Evaluate the 30 mA DC current limit and 250 mW power rating against circuit requirements to ensure operational safety and reliability under expected load conditions.

Balun Part Context

The TC4-19G2+ belongs to the TC4 series of RF transformers from Mini-Circuits. This series focuses on surface-mount solutions for broadband applications. The component serves as a specialized balun for converting between balanced and unbalanced signals in RF environments, supporting designs that require precise impedance matching across a wide frequency spectrum.

Balun Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components based on identical impedance ratios, frequency ranges, and package dimensions.