JAN1N5285UR-1

Current Regulation - Diodes, Transistors Overview

The JAN1N5285UR-1 is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications. It operates within the MIL-PRF-19500/463 military series and utilizes a DO-213AB (MELF) hermetic glass package. The device provides a regulated current of 279 µA with a maximum voltage rating of 100 V and a power dissipation capacity of 500 mW. It functions as a single-element silicon component with an isolated case connection. The unit weighs 114 mg and supports an operating temperature range from -65°C to +175°C junction temperature.

Current Regulation - Diodes, Transistors Feature Summary

• Hermetically sealed round-end SMT construction for environmental resilience
• Military-grade reliability compliant with MIL-PRF-19500/463 standards
• Constant current regulation capability across wide thermal ranges

Current Regulation - Diodes, Transistors Applications

• Precision constant current sources in aerospace systems
• Biasing circuits for sensitive semiconductor devices
• Current limiting protection in harsh environment electronics

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the specific ordering suffix matches the required military qualification level and package variant. Confirm RoHS exemption status as indicated by the 'N' designation in official documentation. Ensure compatibility with existing PCB footprints for the DO-213AB form factor before procurement authorization.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a hermetically sealed, high-reliability current regulator is required for space-constrained surface-mount designs. Compare against through-hole alternatives if lead frame availability or different thermal management strategies are necessary for the specific application constraints.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the JAN1N5285 family of current regulator diodes produced under the Microsemi/Microchip defense portfolio. It shares functional characteristics with other members like JANTX1N5285UR-1 but differs in specific military screening levels and packaging certifications defined by the manufacturer's quality control standards.

Current Regulation - Diodes, Transistors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify cross-reference data directly with Microchip Technology engineering support for qualified equivalents.