ABZT52B51-HF

Single Zener Diodes Overview

The ABZT52B51-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 51 V with a tight tolerance of ±2%. The device supports a power dissipation of 500 mW and operates within an extended temperature range from -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. The component is RoHS compliant and halogen-free.

Single Zener Diodes Feature Summary

• Automotive-grade reliability certified under AEC-Q101 standards
• High thermal stability with operation up to 150 °C junction temperature
• Low-profile SOD-123 package optimized for automated assembly
• Halogen-free construction for environmental compliance

Single Zener Diodes Applications

• Voltage regulation in automotive electronic control units
• Over-voltage protection circuits in vehicle systems
• Reference voltage sources in high-temperature environments
• Clamping applications in automotive sensor interfaces

Single Zener Diodes Procurement Notes

Verify the specific suffix 'HF' confirms halogen-free status and 'B' indicates the 2% tolerance grade as per the manufacturer's datasheet. Confirm AEC-Q101 certification requirements align with your target application's automotive qualification standards. Ensure the SOD-123 footprint matches your PCB design constraints before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a precise 51 V reference with tight 2% tolerance is required in space-constrained designs. The SOD-123 package offers a compact solution suitable for high-density PCB layouts. Consider the 500 mW power rating and wide temperature range for robust performance in demanding automotive or industrial environments where standard commercial parts may fail.

Single Zener Diodes Part Context

This part belongs to Comchip Technology's ABZT series of automotive-grade Zener diodes. These devices are engineered specifically for the automotive sector, offering enhanced reliability compared to standard commercial diodes. The series utilizes planar die construction to ensure stable performance across the specified operating temperature range.

Single Zener Diodes Replacement Considerations

Direct substitutes must match the 51 V Zener voltage, 500 mW power rating, SOD-123 package, and AEC-Q101 qualification. Verify that any alternative component maintains the same 2% tolerance and thermal characteristics to ensure circuit compatibility without redesign.