TC1-1-43+

Balun Overview

The TC1-1-43+ is a surface-mount RF transformer manufactured by Mini-Circuits, designed for operation within the 650 MHz to 4 GHz frequency range. It features a balanced-to-unbalanced configuration with 50 Ohm primary and secondary impedances. The component utilizes a 5-SMD module package measuring 2.92 mm in length, 1.78 mm in width, and 1.27 mm in height. It supports a maximum DC current of 30 mA and has a power rating of 400 mW. The device operates reliably between -40°C and +85°C.

Balun Feature Summary

• Provides balanced-to-unbalanced signal conversion across a wide RF spectrum
• Engineered for compact surface-mount integration in high-frequency circuits
• Maintains consistent 50 Ohm impedance matching on both ports

Balun Applications

• RF signal balancing in communication systems
• Integration into microwave circuit designs
• Signal transformation in IF processing stages

Balun Procurement Notes

Verify the specific part number suffix against official Mini-Circuits documentation to ensure correct impedance and frequency specifications. Confirm that the required operating temperature range aligns with the component's rated limits. Ensure compatibility with surface-mount assembly processes given the small package dimensions. Cross-reference the datasheet for precise pinout configurations before finalizing procurement orders.

Balun Selection Notes

Select this component when a balanced-to-unbalanced transformer is required for frequencies starting at 650 MHz. The 50 Ohm impedance matches standard RF system requirements. Consider the physical footprint constraints as the SMD package is compact. Verify that the power handling capabilities meet the circuit's signal strength needs without saturation.

Balun Part Context

This component belongs to the Mini-Circuits family of RF transformers, which span from low frequencies up to 4 GHz. The TCM1 series typically offers similar surface-mount solutions but may differ in specific electrical characteristics or package types. This model is distinct from other variants like the TC1-1-T+ or TCM1-43X+ due to its specific frequency start point and balanced configuration.

Balun Replacement Considerations

Public confirmed substitute part numbers include TC1-1-43 (non-plus version) and potentially TCM1-43X+ depending on specific impedance and frequency overlap requirements. Always verify datasheet parameters before substitution.