JANTX1N4481

Single Zener Diodes Overview

The JANTX1N4481 is a military-qualified Zener voltage regulator diode manufactured by Microchip Technology. It features a nominal Zener voltage of 47 V with a maximum power dissipation of 1.5 W. The device utilizes a surface-mount SQ-MELF package and offers a standard tolerance of ±5%. It is designed for high-reliability applications requiring hermetically sealed construction.

Single Zener Diodes Feature Summary

• Hermetically sealed void-less glass construction using an internal metallurgical bond
• Military qualification compliant with MIL-PRF-19500/406 standards
• Surface mount equivalent to popular JEDEC registered series

Single Zener Diodes Applications

• High-reliability aerospace systems
• Defense electronics
• Circuits where failure cannot be tolerated

Single Zener Diodes Procurement Notes

Verify the specific suffix (e.g., CUS) against the datasheet, as it defines the exact package variant. Confirm that the JANTX grade meets the required reliability specifications for the target application environment before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a 47 V regulation point is required in a ruggedized surface-mount form factor. Ensure the design accommodates the thermal characteristics of the SQ-MELF package and the specific tolerance requirements defined by the MIL-PRF-19500/406 standard.

Single Zener Diodes Part Context

This part belongs to the 1N44xxUS series of 1.5 Watt Glass Zener Diodes. These devices are industry-recognized regulators available in various voltage selections from 3.3 to 200 volts. The JANTX designation indicates a specific quality level within the broader military-qualified product line.

Single Zener Diodes Replacement Considerations

JANTX1N4481CUS