TCM4-25+

Balun Overview

The TCM4-25+ is a core and wire transformer manufactured by Mini-Circuits, designed for RF applications. It operates within a frequency range of 500 MHz to 2.5 GHz. The component features a 1:4 impedance transformation ratio with primary and secondary coil impedances of 50 Ohms each. It is housed in a compact surface-mount package measuring 4.06 mm x 3.81 mm x 4.06 mm. The device supports a maximum DC current of 30 mA and has a power rating of 250 mW. Operating temperatures range from -40°C to +85°C.

Balun Feature Summary

• Core and wire construction for signal transformation
• Surface mount design for PCB integration
• Single-channel operation capability

Balun Applications

• RF signal balancing and unbalancing
• Impedance matching in microwave circuits
• Audio and signal transformer applications

Balun Procurement Notes

Verify the specific ordering suffix and packaging configuration when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets. Ensure the part number matches the exact specification requirements for your circuit design before finalizing procurement orders.

Balun Selection Notes

Select this component for designs requiring a 1:4 impedance ratio within the 500 MHz to 2.5 GHz band. Consider the physical dimensions and SMD footprint compatibility during PCB layout. Evaluate thermal performance against the specified operating temperature range and power rating constraints for reliable operation.

Balun Part Context

This component belongs to the TCM4 series of RF transformers produced by Mini-Circuits. These devices are engineered for high-performance signal processing tasks. The series offers various impedance ratios and frequency ranges to suit different RF system requirements.

Balun Replacement Considerations

Consult Mini-Circuits official documentation for verified substitute part numbers. Cross-reference specifications such as frequency range, impedance ratio, and package dimensions to ensure functional equivalence.