1N5933A

Single Zener Diodes Overview

The Microchip Technology 1N5933A is a 1.5-watt glass Zener diode with a nominal voltage of 22 volts and a 10% tolerance. It operates within a junction temperature range of -65°C to +175°C and features hermetically sealed construction. The device provides stable voltage regulation across a broad operating current and temperature spectrum, utilizing a DO-41 axial-leaded package.

Single Zener Diodes Feature Summary

• Hermetically sealed glass body construction for enhanced reliability
• Inherently radiation hard design suitable for harsh environments
• Non-sensitive to electrostatic discharge per MIL-STD-750 method 1020
• Metallurgically enhanced internal contact design for lower thermal resistance

Single Zener Diodes Applications

• Voltage regulation in high-reliability military applications
• Circuit protection in radiation-exposed environments
• Power supply reference circuits requiring stable breakdown voltage

Single Zener Diodes Procurement Notes

Verify the specific suffix codes against the official part nomenclature to confirm tolerance level, screening requirements, and RoHS compliance status. Ensure the ordering code matches the required JEDEC type number and packaging option. Consult factory documentation for tape and reel availability and specific military screening levels referenced in MicroNote 129.

Single Zener Diodes Selection Notes

Select this component when a 22-volt Zener reference with 10% tolerance is required in an axial-leaded form factor. Consider the hermetic glass package for superior thermal performance and radiation hardness compared to plastic equivalents. Verify that the 1.5-watt power dissipation rating meets the circuit's steady-state and transient surge requirements under the expected ambient temperature conditions.

Single Zener Diodes Part Context

This device belongs to the 1N5913BG–1N5956BG series of available axial-leaded 1.5-watt glass Zener diodes. The series covers a voltage range from 3.3 to 200 volts with various tolerance options. The 1N5933A specifically addresses the 22-volt segment of this lineup, offering a robust solution for applications demanding high reliability and environmental resilience.

Single Zener Diodes Replacement Considerations

Equivalent plastic-body versions are available as 1N5933BP. Surface mount alternatives include SMBG(J)5933B, SMAJ5933B, and 1PMT5933B. Verify that replacement packages meet the mechanical and thermal constraints of the original design.

Single Zener Diodes FAQ

Is the 1N5933A sensitive to electrostatic discharge?

No, the device is non-sensitive to ESD per MIL-STD-750 method 1020.

What is the maximum operating junction temperature?

The maximum junction and storage temperature is +175°C.