1N5280D-1

Single Zener Diodes Overview

The Microchip Technology 1N5280D-1 is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 190 V with a tight tolerance of ±1%. The device is rated for a maximum power dissipation of 500 mW (0.5 W) and operates within a junction temperature range of -65°C to +175°C. It is housed in a through-hole DO-204AH (DO-35) axial leaded package, which provides an isolated case connection. The component is RoHS compliant and hermetically sealed in glass.

Single Zener Diodes Feature Summary

• High precision voltage regulation with ±1% tolerance
• Wide operating temperature range up to 175°C
• Hermetically sealed glass axial package for reliability

Single Zener Diodes Applications

• Precision voltage reference circuits
• Over-voltage protection stages
• Voltage clamping in sensitive electronic systems

Single Zener Diodes Procurement Notes

Verify the specific suffix designation when ordering, as variations may exist between standard commercial grades and military or space-grade specifications. Confirm that the required package type matches the DO-204AH form factor. Ensure that the procurement channel provides documentation confirming RoHS compliance and material composition details for regulatory adherence.

Single Zener Diodes Selection Notes

Select this component when a stable 190 V reference is required in high-reliability environments. The DO-35 package is suitable for through-hole mounting processes. Consider the thermal resistance and power derating curves if operating near the maximum temperature limit. This part is appropriate for designs requiring low leakage current and high stability over wide temperature ranges.

Single Zener Diodes Part Context

This component belongs to the standard 1N52xx series of Zener diodes manufactured by Microchip Technology. These devices are widely used in industrial and aerospace electronics due to their robust construction and consistent electrical characteristics. The series offers various voltage options, with the 1N5280D-1 providing a high-voltage regulation solution.

Single Zener Diodes Replacement Considerations

The 1N5280D is a compatible alternative from Microchip Technology. Other manufacturers producing equivalent 190 V, 500 mW Zener diodes in DO-35 packages may serve as substitutes, provided electrical parameters and package dimensions are verified against the original specification.

Single Zener Diodes FAQ

What is the maximum power dissipation of the 1N5280D-1?

The maximum power dissipation is 500 mW at ambient temperatures within the specified operating range.

Is the 1N5280D-1 RoHS compliant?

Yes, the component is RoHS compliant and hermetically sealed in a glass package.