1N5229B

Single Zener Diodes Overview

The SMC Diode Solutions 1N5229B is a silicon unidirectional Zener diode designed for voltage regulation and reference applications. It features a nominal Zener voltage of 4.3 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 0.5 W at 25°C ambient temperature. It utilizes a DO-213AA (MLL34) glass passivated MELF package, ensuring high reliability and stability under thermal stress.

Single Zener Diodes Feature Summary

• Glass passivated junction construction for enhanced environmental durability
• Unidirectional configuration optimized for precise voltage regulation tasks
• MELF package design providing robust mechanical strength and consistent solderability

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Reference voltage sources for analog systems
• Overvoltage protection components

Single Zener Diodes Procurement Notes

Verify the specific manufacturer datasheet to confirm compliance with RoHS directives and lead times, as availability varies by production batch. Ensure the ordering part number matches the required package style and electrical tolerances specified in the official component documentation before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a stable 4.3 V reference is required in a compact surface-mount form factor. Consider the 0.5 W power rating and operating temperature range to ensure adequate thermal management within the target application environment without exceeding maximum junction limits.

Single Zener Diodes Part Context

This component belongs to the standard Zener diode family manufactured by SMC Diode Solutions. It serves as a fundamental discrete semiconductor device used widely across industrial and consumer electronics for maintaining steady voltage levels and protecting sensitive circuitry from transient overvoltage conditions.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 4.3 V Zener diodes in the MLL34 or DO-213AA package. Verify that alternative parts match the 5% voltage tolerance and 0.5 W power dissipation ratings to ensure functional compatibility.