MAVR-000403-0287AT

Overview

The MAVR-000403-0287AT is a single hyperabrupt junction silicon tuning varactor from the MAVR-000400 Series, housed in an SOT-23 surface mount package. It features a nominal total capacitance of 15.0 pF with a tolerance range of 13.5 to 16.5 pF at 4 V reverse bias. The device provides a typical capacitance ratio of 7.0 and a minimum quality factor of 250 at 50 MHz. Absolute maximum ratings include a 30 V reverse voltage, 50 mA forward current, and 250 mW power dissipation, operating within a temperature range of -55°C to +125°C.

Feature Summary

• Ion-implanted hyperabrupt junction design for high capacitance ratio and quality factor
• SPC monitored ion implantation ensures excellent C-V repeatability
• Surface mount construction in SOT-23 package with matte tin plating

Applications

• VCOs and voltage tuned filters in radios
• Cable TV tuners
• Test instruments requiring octave bandwidth tuning in HF to UHF ranges

Procurement Notes

Verify the specific part number against official MACOM documentation to confirm configuration and packaging details. Ensure compliance with RoHS directives and handle components using proper ESD control techniques during assembly. Confirm soldering temperatures do not exceed recommended limits to prevent damage.

Selection Notes

Select this component for applications requiring precise capacitance tuning in the HF through UHF bands. Consider the nominal 15.0 pF capacitance and 7.0 capacitance ratio when designing circuits. Evaluate thermal management requirements against the 250 mW power dissipation limit.

Part Context

This component belongs to the MAVR-000400 Series of surface mount hyperabrupt varactors. The series includes various capacitance values and configurations, such as common cathode pairs, all utilizing ion-implanted silicon technology for consistent performance across production lots.

Replacement Considerations

Consult MACOM for direct equivalents or updated series revisions. Verify pinout compatibility and electrical specifications before substituting with other hyperabrupt varactors.