JANS1N5311-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5311-1 is a current regulator diode manufactured by Microchip Technology, designed for high-reliability applications. It provides a regulated current of 3.96 mA with a maximum peak operating voltage of 100 V and a power dissipation rating of 500 mW. The device features a maximum regulator voltage of 2.75 V and operates within a temperature range of -65°C to +175°C junction temperature. It utilizes the DO-204AA (DO-7) axial through-hole package. This component belongs to the JANS series, indicating qualification for space-grade environments.

Current Regulation - Diodes, Transistors Feature Summary

• Space-qualified reliability suitable for harsh radiation environments
• Constant current regulation across wide temperature ranges
• Robust axial leaded construction for secure mounting

Current Regulation - Diodes, Transistors Applications

• Satellite electronic systems requiring stable bias currents
• Spacecraft instrumentation and sensor circuits
• High-reliability aerospace defense electronics

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific JANS suffix requirements against mission radiation tolerance specifications. Confirm that the DO-7 axial package aligns with the target PCB layout constraints. Ensure procurement channels are authorized for military or space-grade components to guarantee traceability and authenticity of the JANS qualification data.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a precise 3.96 mA constant current source is required in extreme thermal conditions. Compare the 100 V breakdown limit against circuit voltage spikes. Consider the DO-7 package size relative to available board space. Verify that the 500 mW power rating accommodates the voltage drop across the diode in the intended application.

Current Regulation - Diodes, Transistors Part Context

This part is part of the 1N531x series of current regulator diodes produced by Microchip. The JANS designation distinguishes it from commercial or standard military versions by meeting stricter space environment qualifications. It shares functional similarities with other 1N53xx devices but offers enhanced durability for orbital deployment.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other JANS-qualified parts from the same family, such as JANS1N5310-1 or JANS1N5312-1, provided their specific current ratings match the design requirements. Cross-brand replacements require careful verification of radiation hardness levels and package compatibility.