TCM4-1W+

Balun Overview

The TCM4-1W+ is a surface-mount RF transformer manufactured by Mini-Circuits, designed for balanced amplifier applications. It operates within a frequency range of 3 MHz to 800 MHz with a nominal impedance of 50Ω. The component features a 1:4 core and wire transformation ratio and supports an RF power rating of 0.25W (250 mW). Maximum DC current is specified at 30 mA. Physical dimensions are 3.81mm in length, 4.06mm in width, and 4.061mm in height, housed in the DB714 case style.

Balun Feature Summary

• Surface mount construction utilizing core and wire technology for signal transformation
• Designed specifically for balanced amplifier circuit configurations
• Operates across a broadband frequency spectrum from 3 MHz to 800 MHz

Balun Applications

• Balanced amplifier input and output stages
• RF signal impedance matching networks
• Broadband communication system interfaces

Balun Procurement Notes

Verify the specific ordering suffix against official Mini-Circuits documentation to ensure correct package variant and tape-and-reel specifications. Confirm that the required frequency range and power handling capabilities align with the 3 MHz to 800 MHz operational limits and 0.25W power rating defined in the datasheet. Ensure compatibility with the DB714 surface mount footprint during PCB layout design.

Balun Selection Notes

Select this component when a 1:4 impedance transformation ratio is required for balanced amplifier topologies within the 3 MHz to 800 MHz band. Consider the 50Ω system impedance and 0.25W power handling capacity relative to the application's signal levels. Evaluate the physical constraints of the DB714 surface mount package against available board space and assembly requirements.

Balun Part Context

This part belongs to the Mini-Circuits TCM4 series of RF transformers, which utilize core and wire construction techniques. These components are engineered for high-performance radio frequency applications requiring reliable signal transformation. The series supports various impedance ratios and is suitable for integration into compact electronic systems where surface mount technology is preferred.

Balun Replacement Considerations

Consult Mini-Circuits official substitution lists for verified alternatives. Cross-reference technical parameters including frequency range, impedance ratio, and power rating before considering any substitute components.