1N5234A (DO-35)

Single Zener Diodes Overview

The Microsemi Corporation 1N5234A is a Zener diode with a nominal voltage of 6.2V and a tolerance of plus/minus 10%. It operates in the DO-35 (DO-204AH) glass axial-lead package. The device provides a maximum power dissipation of 0.5 watts at 25°C, with a steady-state rating of 0.48W on an FR4 PC board. It features a test current of 20mA, a maximum reverse current of 7.0µA, and a maximum dynamic impedance of 5.0 Ohms.

Single Zener Diodes Feature Summary

• Hermetically sealed glass axial-lead construction
• Inherently radiation hard per MicroNote 050
• Minimal capacitance characteristics
• Flexible axial-lead mounting terminals

Single Zener Diodes Applications

• Voltage regulation over broad operating currents
• Temperature compensation circuits
• Reference voltage sources
• Protection against overvoltage transients

Single Zener Diodes Procurement Notes

Verify the specific suffix 'A' confirms the 10% tolerance requirement for your design. Confirm RoHS compliance status by checking for the 'e3' suffix if lead-free soldering is mandatory. Ensure the ordering prefix matches the required screening level, as standard commercial parts lack military prefixes.

Single Zener Diodes Selection Notes

Select this component when a 6.2V reference is needed within a 10% tolerance band. Consider the thermal resistance of 250°C/W junction-to-lead when calculating derating curves for high ambient temperatures. Verify that the forward voltage drop does not impact low-voltage circuit operation.

Single Zener Diodes Part Context

This part belongs to the popular 1N5221 through 1N5281B series of 0.5 watt Zener Voltage Regulators. The series offers a wide selection from 2.4 to 200 volts. Standard tolerances are identified by suffix letters, with 'A' indicating plus/minus 10% and 'B' indicating plus/minus 5%.

Single Zener Diodes Replacement Considerations

Equivalent devices include the 1N5234B for tighter plus/minus 5% tolerance or the 1N5234C/D for plus/minus 2% or 1% precision. Surface mount equivalents are available in the MLL5221 to MLL5281B series using the DO-213AA MELF package.