ABZT52B27-HF

Single Zener Diodes Overview

The ABZT52B27-HF is a single automotive-grade Zener diode manufactured by Comchip Technology. It features a nominal Zener voltage of 27 V with a tight tolerance of ±2%. The device is rated for 500 mW power dissipation and operates within a temperature range of -65 °C to +150 °C. Housed in the SOD-123 surface-mount package, it exhibits 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

• Automotive-grade reliability compliant with AEC-Q101 standards
• High precision voltage regulation with ±2% tolerance
• Extended thermal stability suitable for harsh environments

Single Zener Diodes Applications

• Automotive circuit protection systems
• Voltage reference circuits in vehicle electronics
• Over-voltage protection modules

Single Zener Diodes Procurement Notes

Verify the specific suffix 'HF' confirms halogen-free compliance as per manufacturer specifications. Confirm AEC-Q101 certification status directly from the official datasheet before integration into automotive designs. Ensure the SOD-123 footprint matches the target PCB layout requirements precisely.

Single Zener Diodes Selection Notes

Select this component when precise voltage clamping is required in space-constrained automotive applications. The low leakage current and high operating temperature limit make it suitable for sensitive electronic control units. Compare against standard commercial grades if automotive qualification is not strictly necessary for the end application.

Single Zener Diodes Part Context

This part belongs to Comchip Technology's ABZT series of automotive Zener diodes. These components are designed specifically for the automotive sector, offering enhanced robustness compared to general-purpose devices. The series utilizes planar die construction to ensure consistent performance across varying thermal conditions.

Single Zener Diodes Replacement Considerations

Check for direct substitutes such as ABZT52B10-HF or ABZT52C27-HF only if voltage or tolerance differences are acceptable. Verify that any replacement maintains the same SOD-123 package and automotive qualification status.