ZC833ATA

Overview

The ZC833ATA is a single variable capacitance diode manufactured by Diodes Incorporated, designed for RF applications. It utilizes a SOT-23-3 surface-mount package and supports a peak reverse voltage of 25 V. The device exhibits a nominal capacitance of 33 pF at 2 V with a tuning ratio of 6.5. Key electrical characteristics include a Q factor of 300 at 3 V and 50 MHz, and an operating junction temperature range from -55°C to 150°C.

Feature Summary

• Single-channel varactor diode configuration optimized for RF signal processing
• High tuning ratio capability enabling effective frequency modulation control
• Low leakage current design supporting superior phase noise performance

Applications

• RF oscillator circuits requiring precise frequency adjustment
• Voltage-controlled filter implementations in communication systems
• Frequency synthesizer modules utilizing varactor-based tuning mechanisms

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact component specifications. Confirm RoHS compliance status through current datasheets as regulatory requirements may evolve. Ensure the selected variant matches the required package type and electrical tolerances for the intended application environment before finalizing procurement orders.

Selection Notes

Select this component based on its 25 V peak reverse voltage rating and 33 pF nominal capacitance values. Evaluate the 6.5 tuning ratio against circuit requirements for adequate frequency sweep range. Consider the SOT-23-3 package dimensions for PCB layout constraints and verify thermal management capabilities within the specified -55°C to 150°C operating temperature range.

Part Context

This part belongs to the ZC833 series of silicon variable capacitance diodes produced by Diodes Incorporated. These components are engineered for high-performance RF applications where stable C-V characteristics and low leakage are critical. The series provides reliable solutions for tuning applications in consumer electronics and telecommunications infrastructure.

Replacement Considerations

Public confirmed substitute part numbers: ZC831ATA.