JANS1N6637

Single Zener Diodes Overview

The JANS1N6637 is a single Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 5.1 V with a tolerance of 5%. The device operates in the through-hole D-5B-2 package and supports a power dissipation of 5 W. Key electrical characteristics include a maximum reverse leakage current of 5 µA, a Zener impedance of 1.5 Ohms, and a forward voltage of 1.5 V. The component is qualified for space applications and functions within an operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Qualified for space-grade environments requiring high reliability
• Provides stable voltage regulation at 5.1 V nominal level
• Capable of handling 5 W power dissipation in a glass-encapsulated body

Single Zener Diodes Applications

• Spacecraft electronic systems
• Satellite power management circuits
• High-reliability voltage reference designs

Single Zener Diodes Procurement Notes

Verify that the specific part number suffix matches the required radiation hardness and quality certification levels for your mission profile. Confirm the package type and lead configuration align with your PCB layout constraints. Ensure compliance with all relevant aerospace standards before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a robust 5.1 V reference is needed in extreme thermal conditions up to 175°C. The 5 W power rating allows for significant current handling compared to standard small-signal variants. Consider the D-5B-2 package dimensions during mechanical integration planning.

Single Zener Diodes Part Context

This device belongs to the JANS series of Zener diodes produced by Microchip Technology. The series is specifically engineered for non-aerospace and aerospace applications demanding superior performance under harsh environmental stressors. It serves as a critical passive component in precision analog circuits.

Single Zener Diodes Replacement Considerations

Direct substitutes include JAN1N6637US or JANTXV1N6637CUS, provided they meet the same JANS qualification requirements. Verify that any replacement maintains the identical 5.1 V Zener voltage and 5 W power dissipation capabilities.