JANTX1N2979B

Single Zener Diodes Overview

The JANTX1N2979B is a hermetically sealed 10 W Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 15 V with a tolerance of ±5%. The device utilizes a stud-mount configuration within the DO-213AA (DO-4) package, designed for high-power regulation applications. Key electrical parameters include a maximum Zener impedance of 3 Ohms and a reverse leakage current of 10 µA at 11.4 V. The forward voltage is specified as 1.5 V at 2 A. It operates reliably across an extended temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Hermetically sealed construction for environmental protection
• High power dissipation capability of 10 Watts
• Stud-mount installation for efficient thermal management

Single Zener Diodes Applications

• Military and aerospace voltage regulation circuits
• High-reliability power supply reference standards
• Harsh environment electronic system protection

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix and qualification level against the official Microchip datasheet to ensure compliance with project requirements. Confirm that the component meets the necessary MIL-PRF-19500 standards for the intended application. Check for any recent manufacturing changes or obsolescence notices directly from the manufacturer before finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component when a robust, high-power Zener diode is required for critical systems. Ensure the mounting interface supports the stud-mount style and that the thermal design accommodates the 10 W dissipation. Verify that the 15 V regulation point aligns with the circuit design needs and that the operating temperature range covers the expected environmental conditions.

Single Zener Diodes Part Context

This part belongs to the 1N2970B through 1N3015B series of 10 Watt Zener diodes qualified per MIL-PRF-19500/124. The 'JANTX' prefix indicates a specific military grade qualification level within Microchip's extensive portfolio of radiation-hardened and high-reliability semiconductor devices designed for demanding operational environments.

Single Zener Diodes Replacement Considerations

Consult the official Microchip replacement guide for verified substitutes. Cross-reference specifications such as Zener voltage, power rating, and package dimensions to ensure compatibility.