KVX3901A-23-0/TR

Overview

The KVX3901A-23-0/TR is a single-path varactor diode manufactured by Microchip Technology, designed for surface-mount applications in the SOT-23-3 package. It features a maximum peak reverse voltage of 22 V and operates within a temperature range of -55°C to 125°C. Key electrical specifications include a Q factor of 1600 at 4V and 50MHz, and a capacitance of 0.8pF at 20V and 1MHz. The component is supplied in tape and reel packaging and complies with RoHS3 standards.

Feature Summary

• High quality factor performance suitable for RF tuning applications
• Wide operating temperature range for industrial environments
• Compact surface-mount SOT-23-3 package design

Applications

• RF circuit tuning
• Voltage-controlled oscillators
• Frequency synthesizers

Procurement Notes

Verify the specific suffix TR indicates tape and reel packaging when ordering. Confirm the manufacturer part number matches the requested variant exactly. Check current availability status as distribution channels may vary. Ensure compliance with RoHS3 requirements if applicable to the project specifications.

Selection Notes

Select this component based on its high Q factor and low capacitance values required for high-frequency applications. Compare against other KVX series variants to ensure the specific capacitance and voltage ratings match the circuit design needs. Verify package compatibility with existing PCB footprints.

Part Context

This part belongs to the KVX2001-KVX3901A series of varactor diodes from Microchip Technology. These components are commonly used in RF designs where variable capacitance is needed for tuning. The series offers various capacitance ranges to suit different frequency bands and circuit requirements.

Replacement Considerations

Direct substitutes within the same series include KVX3901-23-0. Verify pinout and electrical parameters before substitution. Other manufacturers' varactors require careful evaluation of Q factor and capacitance tolerance.