1N4980

Single Zener Diodes Overview

The JAN1N4980 is a military-qualified, voidless hermetically sealed glass Zener diode rated at 5 Watts. It features an axial lead 'E' package with a nominal Zener voltage of 82 V and a standard tolerance of ±5%. The device operates within a temperature range of -65°C to +175°C. Key electrical parameters include a test current (IZT) of 15 mA, a maximum Zener impedance (ZZT) of 80 Ohms, and a maximum reverse leakage current of 2 µA. It supports a continuous regulator current of 58 mA and a surge current of 1.8 A.

Single Zener Diodes Feature Summary

• Hermetically sealed voidless-glass construction with internal metallurgical bonds for high reliability
• Military qualification compliant with MIL-PRF-19500/356 standards
• Inherently radiation hard and non-sensitive to electrostatic discharge

Single Zener Diodes Applications

• High-reliability aerospace systems where failure cannot be tolerated
• Military-grade voltage regulation circuits
• Radiation-hardened electronic designs

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to confirm exact performance grades and testing requirements. Ensure the component meets the required military specification standards for your application. Confirm package dimensions and termination finishes match your assembly specifications before procurement.

Single Zener Diodes Selection Notes

Select this component for applications requiring robust, hermetically sealed voltage regulation in extreme environments. Consider the 5W power dissipation rating and thermal derating curves for proper heat management. Verify that the 82V Zener voltage and 5% tolerance align with circuit requirements.

Single Zener Diodes Part Context

This part belongs to the industry-recognized 1N4954 through 1N4996 series of 5 Watt Zener Voltage Regulators. These devices are designed for critical applications demanding high reliability and are available in various voltage selections from 3.3 to 390 volts with standard 5% tolerances.

Single Zener Diodes Replacement Considerations

Equivalent parts may include other military-qualified 5W Zener diodes with matching 82V ratings and hermetic sealing. Verify compatibility with MIL-PRF-19500/356 standards and ensure physical package dimensions fit the existing footprint.