1N5221BDO35E3

Single Zener Diodes Overview

The Microsemi Corporation 1N5221BDO35E3 is a Zener diode with a nominal voltage of 2.4V and a tolerance of ±5%. It operates within a power dissipation range up to 0.5 watts at 25°C, utilizing a DO-35 glass axial-lead package. The device supports an operating temperature range from -65°C to +175°C and features hermetically sealed construction.

Single Zener Diodes Feature Summary

• Hermetically sealed glass axial-lead construction for environmental stability
• Inherently radiation hard per MicroNote 050
• Non-sensitive to electrostatic discharge (ESD)
• Minimal capacitance characteristics

Single Zener Diodes Applications

• Voltage regulation over broad operating current ranges
• Temperature compensation circuits
• Reference voltage sources in harsh environments

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm tolerance levels and screening requirements. Ensure compatibility with RoHS compliance standards if required by the application. Confirm lead length specifications during mounting to maintain thermal resistance ratings.

Single Zener Diodes Selection Notes

Select this component when a low-voltage reference with tight tolerance is needed in a through-hole package. Consider the thermal derating curve for high-temperature applications. Evaluate the minimum test current requirements to ensure stable operation within the circuit design constraints.

Single Zener Diodes Part Context

This part belongs to the 1N5221 through 1N5281B series of 0.5-watt Zener Voltage Regulators. The series provides a wide selection of voltages from 2.4 to 200 volts in standard JEDEC registered formats. Variants are available with different tolerance suffixes and military screening prefixes.

Single Zener Diodes Replacement Considerations

Surface mount equivalents are available as MLL5221 to MLL5281B in the DO-213AA MELF style package. Other manufacturers may offer compatible parts within the same JEDEC numbering system.