JANTXV1N4981US

Single Zener Diodes Overview

The JANTXV1N4981US is a surface-mount Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 91 V with a tolerance of ±5%. The device has a maximum power dissipation of 5 W and operates within a temperature range of -65°C to +175°C. Key electrical parameters include a reverse leakage current of 2 µA at 69.2 V, a forward voltage of 1.5 V at 1 A, and a maximum Zener impedance of 90 Ohms. It utilizes the D-5B package.

Single Zener Diodes Feature Summary

• Military qualified to MIL-PRF-19500/356 for high-reliability applications
• Hermetically sealed voidless-glass construction
• Internal metallurgical bond for enhanced durability

Single Zener Diodes Applications

• High-reliability military systems
• Aerospace circuits
• Harsh environment electronics

Single Zener Diodes Procurement Notes

Verify that the specific suffix 'JANTXV' confirms the required military qualification level and tighter voltage tolerance compared to standard variants. Confirm the D-5B surface mount package matches the PCB footprint. Ensure the hermetic seal specification meets the environmental protection requirements of the target application before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a 5 W surface-mount Zener regulator is needed for critical systems requiring MIL-PRF-19500/356 compliance. The 91 V rating suits specific voltage reference or clamping needs in aerospace designs. Consider the extended temperature range and hermetic sealing as primary selection drivers over commercial alternatives.

Single Zener Diodes Part Context

This part belongs to the 1N49xxUS series of 5 Watt glass Zener regulators produced by Microchip's Scottsdale Division. These devices are industry-recognized for their robustness in environments where failure is not an option. The series offers various voltage selections from 3.3 to 390 volts with different tolerance options identified by suffixes.

Single Zener Diodes Replacement Considerations

Public confirmed substitutes include JAN1N4981CUS, JAN1N4981DUS, JAN1N4981US, JANTX1N4981CUS, JANTX1N4981DUS, JANTX1N4981US/TR, and JANTXV1N4981US.