KVX3901A-23-4/TR

Overview

The KVX3901A-23-4/TR is a silicon TVAR varactor diode manufactured by Microchip Technology. It features a dual common cathode configuration housed in a non-hermetic plastic SMT package, specifically the SOT-23-3 (TO-236-3). The device is rated for a maximum voltage of 27 V. This component is designed for surface mount applications requiring variable capacitance characteristics within compact electronic circuits.

Feature Summary

• Dual common cathode varactor structure
• Silicon TVAR technology implementation
• Non-hermetic plastic surface mount construction

Applications

• RF tuning circuits
• Voltage-controlled oscillator designs
• Frequency modulation modules

Procurement Notes

Verify the specific ordering suffix to ensure the correct tape and reel quantity matches production requirements. Confirm that the non-hermetic plastic package rating aligns with the environmental conditions of the target assembly process. Cross-reference the datasheet electrical specifications against the system design constraints before finalizing procurement orders.

Selection Notes

Select this component when a dual varactor solution in an SOT-23-3 footprint is required. Ensure the 27 V rating meets the circuit's voltage stress limits. Consider the non-hermetic nature of the package for environmental exposure assessments. Validate compatibility with standard reflow soldering profiles for SMT assembly lines.

Part Context

This part belongs to Microchip Technology’s family of silicon TVAR varactor diodes. These components are engineered for high-reliability RF applications where precise capacitance control via voltage is necessary. The series offers various packaging options to suit different board space constraints.

Replacement Considerations

Consult official Microchip documentation for qualified substitute part numbers. Verify pinout compatibility and electrical parameter equivalence before substituting any alternative components in existing designs.