BZX55C4V3_T50R

Single Zener Diodes Overview

The BZX55C4V3_T50R is a silicon unidirectional voltage regulator diode manufactured by onsemi. It features a nominal Zener voltage of 4.3 V with a maximum power dissipation of 500 mW. The device utilizes a DO-35 axial-lead glass package and offers a voltage tolerance of 5%. Designed for through-hole mounting, it operates within a temperature range of -65 °C to +175 °C. The component is classified as obsolete or discontinued status.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction providing environmental protection
• Silicon-oxide passivated junction for stable operating characteristics
• Axial-lead DO-35 package suitable for through-hole applications

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify current availability status as the component may be listed as obsolete or discontinued. Confirm exact manufacturer lot codes and date codes upon order confirmation. Ensure compatibility with existing PCB footprints for the DO-35 package. Review any relevant product change notices regarding manufacturing site transfers or material updates before finalizing procurement plans.

Single Zener Diodes Selection Notes

Select this component when a precise 4.3 V regulation point is required in low-power through-hole designs. Consider the 5% tolerance and 500 mW thermal limits during circuit design. Verify that the operating environment remains within the specified -65 °C to +175 °C range. Evaluate alternative packages if surface-mount solutions are preferred for automated assembly processes.

Single Zener Diodes Part Context

This part belongs to the BZX55 series of Zener diodes from onsemi. The series provides various voltage options within the same DO-35 hermetically sealed glass package format. These devices are designed for general-purpose voltage regulation tasks requiring reliable performance in standard electronic assemblies.