JAN1N4993DUS

Single Zener Diodes Overview

The JAN1N4993DUS is a Zener diode manufactured by Microchip Technology, designed for surface-mount applications in the SQ-MELF,E (D-5B) package. It features a nominal Zener voltage of 300 V with a tolerance of ±5% and a maximum power dissipation of 5 W. The device exhibits a reverse leakage current of 4 mA at the rated voltage and maintains a forward voltage of 1.5 V at 1 A. It operates within a temperature range of -65°C to 175°C TJ.

Single Zener Diodes Feature Summary

• High-voltage regulation capability suitable for demanding electronic circuits
• Robust thermal performance supporting extended operating temperatures up to 175°C
• Surface-mount construction utilizing the D-5B package for compact integration

Single Zener Diodes Applications

• Voltage reference circuits requiring high stability
• Overvoltage protection systems
• Clamping applications in industrial electronics

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized Microchip distributors or certified suppliers. Confirm that the part meets MIL-PRF-19500 specifications for military-grade reliability. Request full traceability documentation and material declarations prior to purchase to ensure compliance with project requirements.

Single Zener Diodes Selection Notes

Select this component when a high-voltage Zener diode with precise tolerance is required for surface-mount designs. Ensure the circuit layout accommodates the D-5B package dimensions and thermal constraints. Validate that the 5 W power rating aligns with the expected dissipation in the target application environment.

Single Zener Diodes Part Context

This part belongs to the JAN series of Zener diodes produced by Microchip Technology. The JAN designation indicates compliance with military standards, specifically MIL-PRF-19500. These components are engineered for high-reliability applications where standard commercial parts may not suffice due to environmental or operational stresses.

Single Zener Diodes Replacement Considerations

JAN1N4993CUS/TR