BZT52B20-HF

Single Zener Diodes Overview

The BZT52B20-HF is a single Zener diode manufactured by Comchip Technology, designed for surface-mount applications in the SOD-123 package. It features a nominal Zener voltage of 20 V with a tight tolerance of ±2%. The device supports a power dissipation of 500 mW and operates within a temperature range of -65°C to +150°C. Key electrical characteristics include a maximum reverse leakage current of 180 nA and a Zener impedance of 15 Ohms at a test current of 5 mA.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with a 2% tolerance on the 20 V Zener voltage.
• Engineered for high reliability in automotive environments through AEC-Q101 qualification.
• Utilizes a compact SOD-123 surface-mount package for efficient PCB layout.

Single Zener Diodes Applications

• Automotive electronic circuits requiring robust voltage reference stability.
• General-purpose voltage regulation in consumer electronics.
• Protection against overvoltage transients in sensitive signal lines.

Single Zener Diodes Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number with official Comchip Technology documentation. Ensure the ordering suffix matches the required packaging format, such as cut tape or reel, as specified in the procurement request. Confirm that the received units align with the stated AEC-Q101 automotive qualification status before integration into final assemblies.

Single Zener Diodes Selection Notes

Select this component when a stable 20 V reference is required in space-constrained designs utilizing the SOD-123 footprint. The 500 mW power rating accommodates moderate current loads, while the wide operating temperature range ensures functionality in harsh thermal conditions. Consider the low leakage current for applications demanding minimal standby power consumption.

Single Zener Diodes Part Context

This component belongs to the BZT52B series of Zener diodes from Comchip Technology, which are specifically engineered for automotive-grade applications. The series emphasizes high reliability and strict adherence to AEC-Q101 standards, making it suitable for critical systems where consistent performance under varying environmental stresses is mandatory.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify pinout compatibility and ensure that alternative components meet or exceed the 20 V Zener voltage, 500 mW power dissipation, and SOD-123 package dimensions specified for this part.

Single Zener Diodes FAQ

Is the BZT52B20-HF qualified for automotive use?

Yes, the BZT52B20-HF is AEC-Q101 qualified, indicating compliance with automotive electronic component standards.

What is the maximum operating temperature for this diode?

The maximum junction temperature for the BZT52B20-HF is +150°C.