JANTX1N4973DUS

Single Zener Diodes Overview

The JANTX1N4973DUS is a Zener diode manufactured by Microchip Technology, formerly Microsemi. It features a nominal Zener voltage of 43V and operates with a test current of 30mA. The device supports a maximum surge current of 3.5A and utilizes the SQ surface-mount package. This component is designed for voltage regulation applications within electronic circuits.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 43V potential
• Engineered for surface-mount technology integration
• Capable of handling high surge currents up to 3.5A

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Surge protection applications
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify the specific suffix DUS confirms the SQ surface-mount package configuration. Confirm that the JANTX designation meets required radiation hardness or military-grade specifications for the intended deployment environment. Ensure compatibility with the 43V Zener voltage requirement.

Single Zener Diodes Selection Notes

Select this component when a 43V regulation point is required in a surface-mount layout. Consider the 3.5A surge capability for transient protection needs. Verify that the SQ package dimensions fit the available PCB real estate compared to through-hole alternatives.

Single Zener Diodes Part Context

This part belongs to the 1N4973 series of Zener diodes produced by Microchip/Microsemi. The JANTX prefix indicates a specific quality or screening level distinct from commercial variants. The DUS suffix specifies the surface-mount packaging style used for automated assembly.

Single Zener Diodes Replacement Considerations

Cross-reference with JAN1N4973DUS for standard grade equivalents. Verify electrical parameters against other 43V Zener diodes if supply constraints exist.