ZMV830ATC

Overview

The ZMV830ATC is a silicon hyperabrupt varactor diode from the 830 series, manufactured by Diodes Incorporated (formerly Zetex Semiconductors). It is designed for frequency control and filtering applications. The device features closely controlled capacitance-voltage characteristics and high Q factors. Key electrical parameters include a nominal capacitance of 10.0 pF at 2V reverse bias, a minimum Q of 300 at 50MHz, and a capacitance ratio (C2/C20) between 4.5 and 6.0. It exhibits low reverse leakage current, typically 20 nA at 20V, ensuring excellent phase noise performance.

Feature Summary

• Hyperabrupt junction design providing high tuning ratios for efficient frequency modulation
• Low reverse leakage current to minimize phase noise in oscillator circuits
• High Q factor ensuring stable operation in RF filtering applications

Applications

• Voltage Controlled Crystal Oscillators (VCXO)
• Temperature Compensated Crystal Oscillators (TCXO)
• Wireless communications systems
• Mobile radio equipment

Procurement Notes

Verify the specific ordering suffix 'TC' corresponds to the 13-inch tape and reel packaging configuration containing 10,000 units per reel. Confirm that the manufacturer designation aligns with Diodes Incorporated's acquisition of Zetex assets to ensure supply chain authenticity and datasheet version accuracy.

Selection Notes

Select this component when a nominal capacitance near 10pF is required with a high tuning ratio. The 830 series offers various capacitance values; choose ZMV830 specifically for its 10pF nominal rating. Ensure the operating environment stays within the -55°C to +150°C temperature range and that the SOT23 package dimensions fit the PCB layout constraints.

Part Context

This part belongs to the 830 series of silicon hyperabrupt varactor diodes. The series includes variants like ZMV829, ZMV831, and ZMV832, which offer different nominal capacitances ranging from approximately 7pF to 68pF. The 'ZMV' prefix indicates a single common cathode configuration in a miniature surface mount package.

Replacement Considerations

Direct substitutes within the same family include ZMV830ATA (7-inch reel) or other 830 series variants if capacitance tolerance allows. Cross-manufacturer equivalents such as Skyworks SMV2026 may be considered but require verification of CV curves and Q factors against the original specifications.