JANTXV1N4975US/TR

Single Zener Diodes Overview

The JANTXV1N4975US/TR is a single Zener diode manufactured by Microchip Technology, designed for surface-mount applications in the D-5B package. It features a nominal Zener voltage of 51 V with a power dissipation rating of 5 W and a tolerance of ±5%. The device operates within an extended temperature range from -65°C to +175°C. Key electrical parameters include a test current of 25 mA, a maximum reverse leakage current of 2 µA, and a forward voltage of 1.5 V at 1 A. It complies with MIL-PRF-19500/356 specifications.

Single Zener Diodes Feature Summary

• Military-grade reliability compliant with MIL-PRF-19500/356 standards
• Extended operating temperature range suitable for harsh environments
• Surface-mount D-5B SQ MELF package design

Single Zener Diodes Applications

• Voltage regulation in military aerospace systems
• Overvoltage protection circuits in defense electronics
• Reference voltage sources in high-reliability instrumentation

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized Microchip distributors or certified suppliers. Confirm that the part number suffix matches the specific reel configuration required for your assembly process. Request batch traceability documentation and material compliance certificates prior to purchase to ensure adherence to project specifications.

Single Zener Diodes Selection Notes

Select this component when a 51 V Zener reference is required in space-constrained surface-mount designs. Ensure the thermal management strategy supports 5 W dissipation within the specified -65°C to +175°C operational window. Verify that the circuit load current remains within the safe operating area defined by the datasheet limits.

Single Zener Diodes Part Context

This part belongs to the JANTXV series of single Zener diodes, characterized by high-reliability construction for critical applications. The D-5B package provides a compact footprint while maintaining robust mechanical integrity. It serves as a specialized voltage regulator alternative to through-hole variants in modern PCB layouts.

Single Zener Diodes Replacement Considerations

Direct substitutes must match the 51 V Zener voltage, 5 W power rating, and D-5B package dimensions. Verify equivalent MIL-PRF-19500/356 compliance and identical thermal characteristics before substitution.