ZC933ATC

Overview

The ZC933ATC is a single hyperabrupt variable capacitance diode manufactured by Diodes Incorporated. It operates with a maximum reverse voltage of 12 V and features a nominal capacitance of 22.5 pF at zero bias. The device utilizes silicon technology and is housed in an SOD-523 surface-mount package. It supports a junction temperature range from -55 °C to +150 °C, ensuring reliability across wide thermal conditions.

Feature Summary

• Hyperabrupt capacitance-voltage characteristic for enhanced tuning linearity
• Low noise performance suitable for sensitive RF applications
• Compact SOD-523 surface-mount packaging

Applications

• Voltage-controlled oscillators (VCOs)
• RF tuning circuits
• Frequency synthesizers

Procurement Notes

Verify the manufacturer designation carefully, as historical data links this part to Zetex Semiconductors prior to corporate integration. Confirm RoHS compliance status and current supply availability through authorized channels, as component lifecycle status may vary.

Selection Notes

Select this component when a hyperabrupt profile is required for wideband frequency modulation or linear tuning applications. Ensure the circuit design accommodates the 12 V reverse voltage limit and that the SOD-523 footprint aligns with the PCB layout constraints.

Part Context

This component belongs to the family of silicon variable capacitance diodes designed for RF and microwave systems. It serves as a solid-state alternative to mechanical varactors, offering compact size and robust performance in frequency control circuits.

Replacement Considerations

The ZV933V2TC is identified as a similar specification part within the same product lineage. Verify pinout compatibility and exact capacitance tolerances before substitution.