ZC834BTC

Overview

The ZC834BTC is a single variable capacitance diode manufactured by Diodes Incorporated, housed in an SOT-23-3 surface-mount package. It utilizes hyperabrupt silicon technology to provide a total capacitance of 47 pF at zero bias. The device is rated for a maximum reverse voltage of 25 V and operates within a temperature range of -65°C to +150°C. Designed for high-Q applications, it features low leakage current and fast switching speeds, making it suitable for precision tuning circuits.

Feature Summary

• Hyperabrupt junction profile for high quality factor (Q) performance
• Low reverse leakage current for signal integrity
• Fast switching speed capabilities
• Totally lead-free and RoHS compliant construction

Applications

• Voltage-controlled oscillators (VCOs)
• RF tuning circuits
• Frequency synthesizers
• Phase-locked loops (PLLs)

Procurement Notes

Verify the component marking code matches the specific ZC834BTC designation to ensure authenticity from Diodes Incorporated. Confirm that the received units are in the correct SOT-23-3 package and meet the specified electrical parameters for reverse voltage and capacitance tolerance before integration into production.

Selection Notes

Select this component when a hyperabrupt varactor with a 47 pF baseline capacitance is required for high-frequency tuning applications. Ensure the circuit design accommodates the 25 V maximum reverse voltage rating and verify that the operating temperature range aligns with the -65°C to +150°C specification for the intended environment.

Part Context

This part belongs to the ZC834 series of variable capacitance diodes from Diodes Incorporated. These components are engineered for RF and microwave applications where precise frequency control is necessary. The series offers various capacitance values and voltage ratings to suit different circuit requirements while maintaining consistent package dimensions for board layout flexibility.

Replacement Considerations

Consult official manufacturer substitution guides for equivalent hyperabrupt varactors with matching 47 pF capacitance and 25 V ratings. Verify pinout compatibility and thermal characteristics when considering alternative suppliers or generic equivalents.