JANTXV1N978BUR-1

Single Zener Diodes Overview

The JANTXV1N978BUR-1 is a silicon Zener diode with a nominal voltage of 51 V and a power dissipation rating of 0.5 W. It features a 5% tolerance and utilizes a hermetically sealed glass MELF (DO-213AA) package. The device is qualified to MIL-PRF-19500/117 standards, ensuring reliability for demanding environments.

Single Zener Diodes Feature Summary

• Hermetically sealed glass encapsulation for environmental protection
• Military qualification per MIL-PRF-19500/117 specifications
• Internal metallurgical bond construction

Single Zener Diodes Applications

• Voltage regulation in military-grade electronic systems
• Overvoltage protection circuits requiring high reliability
• Reference voltage sources in aerospace instrumentation

Single Zener Diodes Procurement Notes

Verify the specific suffix BUR-1 against the official Microchip datasheet to confirm the exact mechanical dimensions and lead configuration. Ensure procurement channels provide valid traceability documentation required for military-qualified components. Confirm that the supplier source matches the manufacturer's authorized distribution network to prevent counterfeit parts.

Single Zener Diodes Selection Notes

Select this component when a 51 V Zener reference is needed in a compact, hermetically sealed form factor. The DO-213AA MELF package suits automated surface-mount assembly processes while maintaining through-hole equivalent performance. Consider the 0.5 W power rating and 5% tolerance limits during thermal design and circuit simulation phases.

Single Zener Diodes Part Context

This part belongs to the 1N957BUR-1 through 1N992BUR-1 series of 0.5 watt Zener voltage regulators produced by Microchip Technology. The series offers various voltage options within a standard glass MELF package, catering to both commercial and military applications requiring robust voltage regulation capabilities.

Single Zener Diodes Replacement Considerations

Compatible substitutes include other MIL-PRF-19500/117 qualified 51 V Zener diodes in the DO-213AA package from authorized manufacturers. Verify electrical parameters such as impedance and leakage current match the original design requirements before substitution.