1N5078

Single Zener Diodes Overview

The 1N5078 is a Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 39 V with a power dissipation rating of 500 mW. The component utilizes a DO-204AH (DO-35) axial through-hole package and operates within a junction temperature range of -65°C to +175°C. Electrical characteristics include a maximum reverse leakage current of 100 nA at 130 V and a Zener impedance of 2200 Ohms. The device maintains a voltage tolerance of ±5% and exhibits a forward voltage drop of 1.5 V at 200 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using Zener breakdown characteristics in the DO-35 axial package.
• Supports high-temperature operation suitable for demanding industrial environments.
• Offers precise voltage tolerance for reliable reference circuit performance.

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection stages in electronic systems
• General-purpose voltage regulation in low-power designs

Single Zener Diodes Procurement Notes

Verify the specific manufacturer lot and date code upon receipt to ensure compliance with project requirements. Confirm that the received components match the DO-35 package dimensions and electrical specifications outlined in the official datasheet. Check for any physical damage or lead alignment issues before integration into the assembly process.

Single Zener Diodes Selection Notes

Select this component when a 39 V Zener voltage is required with moderate power handling capabilities. The DO-35 package is appropriate for through-hole mounting techniques. Ensure the application current does not exceed limits that would cause power dissipation beyond the 500 mW rating. Consider the thermal environment to maintain junction temperatures within the specified operational range.

Single Zener Diodes Part Context

This part belongs to the standard Zener diode family produced by Microchip Technology. It shares common packaging and testing standards with other devices in the 1N52xx series. The component is categorized under discrete semiconductors and diodes, specifically designed for voltage regulation tasks in various electronic assemblies.

Single Zener Diodes Replacement Considerations

Compatible substitutes include the 1N5279B, which offers identical electrical parameters and package configuration. Verify pinout compatibility and thermal characteristics when evaluating alternative sources for production continuity.

Single Zener Diodes FAQ

What is the maximum operating junction temperature for the 1N5078?

The maximum operating junction temperature is +175°C.

Does the 1N5078 support surface mount installation?

No, the 1N5078 is designed for through-hole mounting using the DO-35 axial package.