CZRT5229B-HF

Single Zener Diodes Overview

The CZRT5229B-HF is a single Zener diode manufactured by Comchip Technology, housed in an SOT-23 surface-mount package. It features a nominal Zener voltage of 4.3 V with a maximum tolerance of 5%. The device has a power dissipation rating of 300 mW and operates within a temperature range of -65 °C to +150 °C. Key electrical characteristics include a maximum reverse leakage current of 5 µA and a Zener impedance of 22 Ω at a test current of 20 mA.

Single Zener Diodes Feature Summary

• Halogen-free construction utilizing planar die technology for reliable performance.
• Designed specifically for automated assembly processes in high-density circuit designs.
• Low-profile SOT-23 package suitable for space-constrained surface mount applications.

Single Zener Diodes Applications

• Voltage regulation circuits
• Voltage reference applications
• Over-voltage protection

Single Zener Diodes Procurement Notes

Verify the specific suffix against official documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with automated placement equipment due to the small form factor. Confirm RoHS compliance status through the manufacturer's latest technical data sheet before final integration into production lines.

Single Zener Diodes Selection Notes

Select this component when a 4.3 V reference is required in a compact SOT-23 footprint. Consider the 300 mW power limit and operating temperature range relative to the thermal environment. Compare leakage current specifications against other series if low-power standby modes are critical to the design requirements.

Single Zener Diodes Part Context

This part belongs to the CZRT5229B series of Zener diodes from Comchip Technology. The series offers various voltage options within the same SOT-23 package family, allowing for consistent board layout across different voltage reference needs while maintaining halogen-free manufacturing standards.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.