JANTX1N3018BUR-1/TR

Single Zener Diodes Overview

The JANTX1N3018BUR-1/TR is a hermetically sealed, surface-mount Zener diode manufactured by Microchip Technology. It features a DO-213AB (MELF) glass package with an internal metallurgical bond. The device provides an 8.2 V nominal Zener voltage with a 5% tolerance and a 1 W power dissipation rating. Key electrical parameters include a maximum reverse leakage current of 50 µA, a Zener impedance of 4.5 Ohms, and a test current of 31 mA. It operates within a temperature range of -55 °C to +175 °C.

Single Zener Diodes Feature Summary

• Hermetically sealed surface mount construction with internal metallurgical bonding for high reliability
• Radiation hard design compliant with MIL-STD-750 Method 1020 ESD standards
• Minimal capacitance characteristics suitable for sensitive signal applications

Single Zener Diodes Applications

• Voltage regulation in military and aerospace circuits
• Overvoltage protection in harsh environments
• Reference voltage sources in radiation-hardened systems

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with required screening levels. Confirm that the MELF package dimensions match the target PCB footprint. Check for compliance with relevant military specifications such as MIL-PRF-19500/437 if mission-critical reliability is required.

Single Zener Diodes Selection Notes

Select this component when a hermetically sealed, radiation-tolerant Zener diode is required for surface-mount assembly. The 1W power rating and wide operating temperature range support demanding thermal conditions. Ensure the 8.2V breakdown voltage aligns with the circuit's regulation requirements.

Single Zener Diodes Part Context

This part belongs to the JANTX series of qualified Zener diodes produced by Microchip Technology. It serves as the surface-mount equivalent to axial-leaded JEDEC registered parts like the 1N3018B. The device utilizes a DO-213AB package to provide robust performance in space-constrained and high-reliability electronic designs.

Single Zener Diodes Replacement Considerations

Direct replacements include other JANTX series Zener diodes with identical voltage and power ratings in the same package. Verify pinout compatibility and thermal resistance values before substituting.