BZX84B4V7-HE3-18

Single Zener Diodes Overview

The BZX84B4V7-HE3-18 is a silicon planar Zener diode from the Vishay BZX84 series, housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 4.7 V with a tight tolerance of ±2%. The device operates at a test current of 5 mA and features a maximum reverse leakage current of 3 µA. It is qualified to AEC-Q101 standards for automotive applications and offers high ESD protection capability.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive reliability requirements
• High electrostatic discharge (ESD) protection performance
• Tight voltage tolerance grading according to international standards

Single Zener Diodes Applications

• Automotive electronic circuits
• Voltage reference applications
• General-purpose voltage regulation

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official documentation to confirm compliance with automotive qualification standards and tape-and-reel packaging specifications. Ensure that the component meets the required environmental and material categorization guidelines before finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component when a precise 4.7 V reference with strict tolerance limits is required in space-constrained designs. The SOT-23 package facilitates automated surface-mount assembly, while the AEC-Q101 qualification ensures suitability for demanding automotive environments requiring robust reliability.

Single Zener Diodes Part Context

This part belongs to the BZX84 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series utilizes silicon planar technology and is available in various voltage grades and tolerance options within the SOT-23 package format, catering to diverse general-purpose and specialized electronic design needs.

Single Zener Diodes Replacement Considerations

Substitute only with verified equivalent parts from the same manufacturer series or cross-reference lists provided in official documentation. Ensure any replacement matches the electrical characteristics, package dimensions, and qualification status.