JAN1N5538CUR-1

Single Zener Diodes Overview

The JAN1N5538CUR-1 is a low voltage avalanche Zener diode with a nominal breakdown voltage of 18 V and a maximum power dissipation of 0.5 W. It features a tight voltage tolerance of ±2% and operates within a temperature range of -65°C to +175°C. The device utilizes a hermetically sealed glass DO-213AA MELF surface mount package and incorporates an internal metallurgical bond for enhanced reliability.

Single Zener Diodes Feature Summary

• Hermetically sealed glass MELF package construction
• Internal metallurgical bond structure
• Qualified per MIL-PRF-19500/437 standards
• Inherently radiation hard design

Single Zener Diodes Applications

• Voltage regulation in harsh environments
• Military electronic systems
• Aerospace circuit protection

Single Zener Diodes Procurement Notes

Verify the specific military qualification level (JAN, JANTX, or JANTXV) required for your application when ordering. Confirm that the DO-213AA MELF footprint matches your PCB layout guidelines. Ensure compliance with relevant environmental directives if applicable to your deployment region.

Single Zener Diodes Selection Notes

Select this component for applications requiring high-reliability surface mount voltage regulation. The ±2% tolerance ensures precise voltage control. Consider the thermal resistance characteristics and derating curves when designing heat dissipation strategies for high ambient temperatures.

Single Zener Diodes Part Context

This part belongs to the 1N5518 through 1N5546 series of 0.5-watt glass surface mount Zener voltage regulators. The series provides a wide selection of voltages from 3.3 to 33 volts with various tolerance options. The JAN prefix indicates a specific military reliability screening level.

Single Zener Diodes Replacement Considerations

Equivalent parts include JAN1N5538D-1 and JAN1N5538D/TR-1.