SZBZX84C4V3ET1G

Single Zener Diodes Overview

The onsemi SZBZX84C4V3ET1G is a single-channel Zener diode designed for surface-mount applications in the SOT-23 package. It features a nominal Zener voltage of 4.3 V with a tolerance of ±5%. The device supports a maximum power dissipation of 300 mW and operates within a temperature range of -65 °C to +150 °C. Key electrical parameters include a test current of 5 mA, a maximum dynamic impedance of 90 Ω, and a maximum reverse leakage current of 3 µA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 4.3 V output level
• Engineered for high thermal stability with an operating junction temperature up to 150 °C
• Utilizes a compact SOT-23 surface-mount footprint for efficient PCB integration

Single Zener Diodes Applications

• Voltage reference circuits requiring precise low-voltage regulation
• Protection against overvoltage conditions in sensitive electronic components
• Clamping applications in signal processing and data line protection

Single Zener Diodes Procurement Notes

Verify the specific suffix ET1G to confirm the exact tape-and-reel packaging configuration and manufacturing lot details. Ensure compatibility with standard SOT-23 footprints during layout design. Cross-reference official datasheets for absolute maximum ratings to prevent thermal overstress during operation.

Single Zener Diodes Selection Notes

Select this component when a 4.3 V reference point is required in space-constrained designs. The 300 mW power rating accommodates moderate current loads without excessive heat generation. Consider the ±5% tolerance for applications demanding tighter voltage accuracy compared to standard Zener variants.

Single Zener Diodes Part Context

This part belongs to the BZX84C series of small-signal Zener diodes manufactured by onsemi. The series is widely utilized in consumer electronics and industrial equipment for basic voltage regulation tasks. The SOT-23 form factor ensures compatibility with automated pick-and-place assembly processes.

Single Zener Diodes Replacement Considerations

Direct replacements must match the 4.3 V nominal voltage, 300 mW power rating, and SOT-23 package. Verify pinout alignment and thermal characteristics before substitution.