T4-1-KK81+

Balun Overview

The T4-1-KK81+ is a core and wire transformer designed for RF applications, featuring a 1:4 impedance ratio. It operates within a frequency range of 200 kHz to 350 MHz. The component utilizes a 6-SMD gull wing package configuration. Secondary impedance is specified at 50 Ohms. Operating temperature limits range from -20°C to +85°C. The device contains one channel. Insertion loss performance data is documented in typical performance curves provided by the manufacturer.

Balun Feature Summary

• Core and wire transformer construction
• 1:4 impedance transformation ratio
• Wideband frequency operation
• Surface mount gull wing packaging

Balun Applications

• RF signal balancing
• Impedance matching networks
• Broadband transformer circuits

Balun Procurement Notes

Verify the specific datasheet version and test criteria used for electrical specifications before integration. Confirm that the operating temperature range aligns with environmental requirements. Ensure the surface mount footprint matches the PCB layout design. Check for any ordering suffixes that may affect availability or tape and reel specifications.

Balun Selection Notes

Select this component when a 1:4 ratio is required within the 200 kHz to 350 MHz band. Consider the thermal limits for high-power environments. Evaluate insertion loss characteristics against system budget constraints. Compare physical dimensions against available board space. Verify compatibility with standard SMT assembly processes.

Balun Part Context

This part belongs to Mini-Circuits' RF transformer family. It shares similar packaging styles with other models in the KK81 series. The product line includes various impedance ratios and frequency ranges. These components are commonly used in communication systems requiring balanced-to-unbalanced conversion.

Balun Replacement Considerations

T4-6T-KK81+ is a related model within the same series. Verify functional differences before substitution. Ensure frequency coverage meets application needs. Check pinout compatibility if direct replacement is intended.