JANS1N5309-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5309-1 is a current regulator diode manufactured by Microchip Technology, designed for high-reliability applications. It provides a regulated current of 3.3 mA with a maximum voltage rating of 100 V and a power dissipation capacity of 500 mW. The device utilizes a DO-204AA (DO-7) axial through-hole package. It operates within a junction temperature range of -65°C to +175°C. This component belongs to the JANS series, indicating it meets specific military and aerospace qualification standards for radiation hardness and reliability.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable constant current regulation suitable for precision circuitry
• Qualified for harsh environments including radiation exposure typical in aerospace missions
• Features wide operating temperature range for extreme thermal conditions

Current Regulation - Diodes, Transistors Applications

• Aerospace and satellite electronic systems requiring radiation-hardened components
• Military-grade instrumentation and control circuits
• High-reliability industrial equipment operating under extreme temperatures

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the ordering suffix '-1' corresponds to the specific lead-free or packaging variant required by your bill of materials. Confirm that the JANS designation aligns with your project's radiation tolerance and quality assurance requirements. Ensure compatibility with existing assembly processes for DO-7 axial packages. Cross-reference the manufacturer's latest datasheet for any recent changes in testing standards or material compliance documentation before finalizing procurement orders.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current source of 3.3 mA is needed in space-constrained axial layouts. Compare against other JANS series parts if different current levels such as 1.43 mA or 1.76 mA are required. Ensure the 100 V breakdown voltage exceeds the maximum circuit potential. Verify that the 500 mW power rating accommodates the voltage drop across the device at the operating current without exceeding thermal limits.

Current Regulation - Diodes, Transistors Part Context

This part is part of the 1N5309 family of current regulator diodes produced by Microchip. It shares functional characteristics with commercial variants like the standard 1N5309 but differs in manufacturing controls and environmental testing. The JANS suffix denotes a specific level of screening and qualification distinct from JAN or commercial grades, targeting defense and space sectors.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other JANS-series current regulators with identical electrical parameters. Check for equivalent radiation hardness levels when replacing with other manufacturers' parts. Ensure the replacement maintains the DO-7 axial package form factor for board compatibility.