BZT52-B30X

Single Zener Diodes Overview

The BZT52-B30X is a Zener diode manufactured by Nexperia USA Inc., designed for surface-mount applications in the SOD-123F package. It provides a nominal Zener voltage of 30 V with a tolerance of ±2%. The device features a maximum power dissipation of 375 mW and operates within a temperature range of -65°C to +150°C. Key electrical characteristics include a maximum reverse leakage current of 1 µA at 2 V and a maximum dynamic impedance of 40 Ohms. The component is RoHS compliant, meets REACH standards, and carries an AEC-Q101 qualification for automotive reliability.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with tight ±2% tolerance for stable reference applications
• Automotive-grade reliability certified under AEC-Q101 standards for harsh environments
• Compact SOD-123F footprint enables high-density circuit board layouts
• Extended thermal stability supports operation up to 150°C junction temperature

Single Zener Diodes Applications

• Voltage clamping and protection in automotive electronic control units
• Precision voltage reference circuits requiring low tolerance
• Overvoltage protection stages in industrial sensor interfaces
• General-purpose voltage stabilization in compact consumer electronics

Single Zener Diodes Procurement Notes

Verify the specific suffix 'B30X' against official Nexperia documentation to confirm the ±2% tolerance variant, as standard BZT52 parts often carry ±5% or ±10% tolerances. Ensure the ordering part number matches the required AEC-Q101 qualification status if used in automotive designs. Confirm package type SOD-123F compatibility with your assembly process. Check for any recent Product Change Notifications (PCN) regarding labeling or manufacturing site changes that may affect long-term supply continuity.

Single Zener Diodes Selection Notes

Select this component when a 30 V reference with tighter than standard tolerance is required. The ±2% tolerance distinguishes it from general-purpose variants, making it suitable for precision analog circuits. Consider the 375 mW power rating for thermal management in enclosed spaces. The AEC-Q101 certification is critical for automotive replacements. Verify that the SOD-123F package dimensions fit the existing PCB land pattern without modification.

Single Zener Diodes Part Context

This part belongs to the Nexperia BZT52 series of small-signal Zener diodes. The series offers various voltage options in the SOD-123F package, balancing performance with space efficiency. The BZT52-B30X specifically targets applications needing higher accuracy than the standard BZT52-C series. It complements Nexperia's broader portfolio of voltage reference and protection devices designed for modern miniaturized electronics.

Single Zener Diodes Replacement Considerations

Direct substitutes must match the 30 V Zener voltage, ±2% tolerance, 375 mW power rating, and SOD-123F package. Verify AEC-Q101 compliance if the original design mandates automotive qualification. Cross-reference dynamic impedance and leakage current specifications to ensure equivalent circuit behavior. Generic equivalents may lack the specific tolerance or reliability certifications required.