BZX384B4V7-G3-18

Single Zener Diodes Overview

The BZX384B4V7-G3-18 is a silicon planar power Zener diode manufactured by Vishay General Semiconductor. It provides a nominal Zener voltage of 4.7 V with a tight tolerance of ±2%, designated by the 'B' suffix in the part number. The device is housed in an SOD-323 (SC-76) surface-mount package, suitable for automated assembly processes. It features a maximum power dissipation of 200 mW and operates within a junction temperature range up to 150 °C. The component is lead-free and compliant with RoHS directives.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage regulation performance.
• Offers high precision with a standardized ±2% Zener voltage tolerance.
• Encapsulated in a compact SOD-323 plastic surface-mount case.
• Manufactured as a lead-free component compliant with environmental standards.

Single Zener Diodes Applications

• General voltage regulation circuits
• Reference voltage sources
• Over-voltage protection

Single Zener Diodes Procurement Notes

Verify the specific suffix G3 against the manufacturer's current datasheet to confirm lead-free status and packaging options. Ensure the ordering quantity aligns with the standard reel quantities specified in official documentation. Cross-reference the exact part number with authorized distributors to confirm availability and authenticity before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a precise 4.7 V reference is required with tighter tolerance than standard 5% variants. The SOD-323 package is appropriate for space-constrained printed circuit board designs. Consider the thermal resistance characteristics if the application involves sustained power dissipation near the maximum rating.

Single Zener Diodes Part Context

This part belongs to the BZX384-V-Series family of low-power voltage regulator diodes. The series includes various voltage grades normalized to the E24 standard. The 'G3' suffix typically indicates a lead-free finish and specific packaging configuration defined by Vishay Semiconductors for this product line.

Single Zener Diodes Replacement Considerations

Compatible substitutes include other BZX384-B series parts from Vishay or equivalent Zener diodes from manufacturers like ON Semiconductor and Diodes Inc. that offer 4.7 V nominal voltage, ±2% tolerance, and SOD-323 packaging. Verify electrical parameters match exactly before substitution.