T4-6T-KK81+

Balun Overview

The T4-6T-KK81+ is a surface-mount RF transformer manufactured by Mini-Circuits, designed for impedance transformation applications. It features a 1:4 turns ratio and operates within a frequency range of 20 kHz to 250 MHz. The component utilizes a 50-ohm system impedance configuration and is housed in a KK81 SMD package with gull-wing leads. This core and wire transformer is engineered for signal integrity in radio frequency circuits.

Balun Feature Summary

• Provides 1:4 impedance transformation capability
• Operates across a wide frequency spectrum from 20 kHz to 250 MHz
• Utilizes surface-mount gull-wing packaging for automated assembly

Balun Applications

• VHF/UHF receiver circuits
• Impedance matching networks
• RF signal balancing

Balun Procurement Notes

Verify the specific datasheet version for the T4-6T-KK81+ to ensure compatibility with current design requirements. Confirm that the operating temperature range and power ratings align with the target application environment. Cross-reference the pinout diagram with the PCB footprint to prevent installation errors during the manufacturing process.

Balun Selection Notes

Select this component when a 1:4 impedance transformation is required within the 20 kHz to 250 MHz bandwidth. The KK81 package is suitable for high-volume surface-mount production lines. Ensure the circuit design accommodates the physical dimensions and thermal characteristics specified in the official Mini-Circuits documentation.

Balun Part Context

This part belongs to the T4 series of RF transformers from Mini-Circuits, which are widely used in communication systems. The KK81 suffix indicates a specific surface-mount package style with gull-wing terminals, distinguishing it from through-hole or other SMD variants within the same electrical family.