JANTXV1N5544B-1

Single Zener Diodes Overview

The JANTXV1N5544B-1 is a hermetically sealed Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 28 V with a 5% tolerance and a maximum power dissipation of 0.5 W. The device operates within an extended temperature range from -65 °C to +175 °C, ensuring reliability in harsh environments. It utilizes a DO-35 glass axial leaded package for through-hole mounting.

Single Zener Diodes Feature Summary

• Hermetically sealed construction for radiation and environmental resistance
• Extended operating temperature range suitable for military applications
• Low reverse leakage current characteristics

Single Zener Diodes Applications

• Military aerospace electronic systems
• Radiation-hardened circuit protection
• High-reliability voltage regulation

Single Zener Diodes Procurement Notes

Verify the specific suffix '-1' indicates the correct package style and testing level. Confirm RoHS exemption status as required for defense contracts. Request full datasheet and traceability documentation before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when high-reliability voltage reference or clamping is required in extreme thermal conditions. Ensure the 28 V breakdown voltage aligns with circuit design specifications. Verify that the DO-35 package fits the available PCB footprint constraints.

Single Zener Diodes Part Context

This part belongs to the 1N5544 series of Zener diodes produced under the JANTXV qualification standard. The series provides stable voltage regulation for critical defense and space electronics where standard commercial components are insufficient.

Single Zener Diodes Replacement Considerations

Cross-reference with other JANTXV qualified equivalents from authorized manufacturers. Verify pinout compatibility and thermal performance metrics before substitution.