MA46483-186

Overview

The MA46483-186 is a Gallium Arsenide hyperabrupt varactor diode designed for Very High Frequency to Ka Band applications. It features a nominal capacitance of 0.7 pF and a minimum breakdown voltage of 22 V. The device utilizes a ceramic Case 186 package with two pins, ensuring compliance with RoHS standards.

Feature Summary

• Hyperabrupt doping profile for linear tuning
• Constant modulation sensitivity
• High Q factor performance

Applications

• VHF through Ka Band tuning circuits
• Linear phase modulators
• Voltage-controlled oscillators

Procurement Notes

Verify the specific datasheet revision and official manufacturer documentation to confirm electrical characteristics and mechanical dimensions. Ensure compatibility with standard reflow profiles and handling procedures for ceramic packages. Cross-reference part numbers with authorized distributors to validate authenticity and current availability status.

Selection Notes

Select this component for designs requiring high linearity in frequency conversion or tuning applications across VHF to Ka bands. The constant gamma characteristic ensures predictable performance over varying bias voltages. Evaluate thermal management requirements and ensure the ceramic package fits within the designated footprint constraints of the target PCB layout.

Part Context

This component belongs to the MACOM MA464xx series of GaAs hyperabrupt varactor diodes. These devices are engineered for high-performance RF and microwave systems where stable capacitance-voltage characteristics are critical. The series offers various capacitance values to suit different frequency ranges and circuit impedances.

Replacement Considerations

Consult official MACOM documentation for verified substitute part numbers within the same series or equivalent specifications from other manufacturers.