1N5234A

Single Zener Diodes Overview

The Microchip Technology 1N5234A is a 0.5-watt glass axial-lead Zener diode housed in a DO-35 package. It provides a nominal Zener voltage of 6.2 V with a ±10% tolerance, indicated by the 'A' suffix. The device operates within a temperature range of -65°C to +175°C and features a maximum reverse current of 100 µA at 4 V. Its electrical characteristics include a test current of 20 mA, a maximum Zener impedance of 7 Ω at 0.25 mA, and a positive voltage temperature coefficient of +0.045 %/°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Features hermetically sealed glass axial-lead construction for durability
• Offers minimal capacitance suitable for high-frequency applications
• Inherently radiation hard per MicroNote 050

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify that the specific part number includes the correct suffix to ensure the required voltage tolerance matches your design specifications. Confirm the package type corresponds to your board layout requirements. Check for any military screening prefixes if environmental ruggedness is necessary. Ensure compliance with relevant RoHS directives if applicable to your manufacturing process.

Single Zener Diodes Selection Notes

Select this component when a standard 6.2 V reference is needed with moderate precision. The DO-35 package supports through-hole mounting. Consider the positive temperature coefficient for thermal stability analysis. Evaluate the power dissipation limits against expected operating currents to prevent overheating.

Single Zener Diodes Part Context

This device belongs to the 1N5221 through 1N5281B series of 0.5-watt Zener diodes. The series covers a wide voltage range from 2.4 V to 200 V. Different suffixes denote varying voltage tolerances, allowing designers to choose between standard and tighter specifications based on application needs.

Single Zener Diodes Replacement Considerations

Surface mount equivalents are available in the MLL5221 to MLL5281B series using the DO-213AA MELF package. DO-7 glass body axial-leaded equivalents are also offered as alternatives.