JANHCA1N974B

Single Zener Diodes Overview

The JANHCA1N974B is a hermetically sealed single Zener diode manufactured by Microchip Technology. It operates in the Through-Hole DO-35-2 axial glass package with a power dissipation of 400 mW. The device provides a nominal Zener voltage of 36 V with a tolerance of ±5%. Key electrical parameters include a maximum reverse leakage current of 5 µA, a Zener impedance of 70 Ohms, and a test current of 3.4 mA. It features a forward voltage of 1.1 V and a voltage temperature coefficient of 0.088 %/°C. The component supports an operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Hermetically sealed construction for environmental protection
• Axial-leaded glass DO-35 package design
• Single Zener diode configuration

Single Zener Diodes Applications

• Military aerospace electronic systems
• High-reliability space applications
• Harsh environment voltage regulation

Single Zener Diodes Procurement Notes

Verify that the specific JANHCA suffix matches the required military qualification standards for your project. Confirm that the hermetic seal integrity meets the necessary environmental sealing requirements. Ensure the DO-35-2 package dimensions are compatible with the target PCB layout. Validate that the 400 mW power rating is sufficient for the intended thermal conditions.

Single Zener Diodes Selection Notes

Select this component when high reliability and radiation hardness are critical. The hermetic seal distinguishes it from standard commercial equivalents. Consider the 36 V output level and 400 mW dissipation limits during circuit design. Verify compatibility with existing MIL-PRF-19500/117 form factors if replacing legacy parts.

Single Zener Diodes Part Context

This part belongs to the JAN series of Zener diodes produced under strict military specifications. It utilizes silicon planar technology within a glass encapsulation. The product line is designed for applications requiring long-term stability and resistance to extreme temperatures. It serves as a specialized voltage reference or regulator in defense-grade electronics.

Single Zener Diodes Replacement Considerations

JAN1N974B-1

Single Zener Diodes FAQ

What is the maximum operating temperature?

The maximum operating temperature is +175°C.

Is the package hermetically sealed?

Yes, the JANHCA1N974B features a hermetically sealed glass DO-35 package.