FMBT1658

Overview

The FMBT1658 is a high-current bias tee manufactured by Fairview Microwave, designed for RF applications. It operates within a frequency range of 0.5 GHz to 2 GHz and features SMA connectors. The device supports a maximum voltage of 100 Volts and handles up to 7 Amps of current. Insertion loss ranges from 0.2 dB to 0.5 dB. This component facilitates the injection of DC power onto RF lines while maintaining signal integrity in wireless and test environments.

Feature Summary

• Supports high current loads up to 7 Amps
• Operates with a maximum voltage rating of 100 Volts
• Utilizes SMA connector interface
• Maintains low insertion loss between 0.2 and 0.5 dB

Applications

• Wireless communication systems requiring DC bias injection
• RF testing and measurement setups
• Active antenna power supply integration
• General-purpose RF circuit biasing

Procurement Notes

Verify that the required operating current does not exceed the 7 Amp maximum rating and that system voltages remain below 100 Volts. Confirm compatibility with SMA interfaces and ensure the 0.5 GHz to 2 GHz frequency range meets application needs. Check RoHS compliance status if environmental regulations apply. Review datasheet specifications for thermal management requirements under high-load conditions.

Selection Notes

Select this component when high current capacity is necessary for active RF components. Compare insertion loss values against system budget constraints. Ensure SMA connector gender and cable assembly compatibility. Consider frequency limitations relative to higher-frequency alternatives if operation extends beyond 2 GHz. Evaluate physical size constraints for integration into existing enclosures.

Part Context

Fairview Microwave produces specialized RF interconnects and accessories. The FMBT1658 belongs to their line of bias tees, which are essential for powering active devices within RF paths. These components bridge DC power sources and RF signals without significant signal degradation, supporting reliable operation in demanding electronic systems.

Replacement Considerations

No public confirmed substitute part numbers are available in the source data.