JANS1N5303UR-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5303UR-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 glass package. The device provides a regulated current of 1.76 mA with a maximum voltage rating of 100 V and a power dissipation capacity of 475 mW. It functions as a single-configured component suitable for harsh environments.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade reliability compliant with MIL-PRF-19500/463 standards
• Surface-mount construction in a round-end MELF glass package
• Constant current regulation capability for circuit stability

Current Regulation - Diodes, Transistors Applications

• Harsh environment electronic systems requiring stable bias currents
• Military aerospace circuits demanding high-reliability components
• Current limiting protection in sensitive semiconductor networks

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1 against official Microchip documentation to confirm the exact manufacturing lot and compliance status. Ensure that the procurement channel sources directly from authorized distributors to maintain the integrity of the military-grade certification and traceability records required for this component class.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current source is required in a compact surface-mount form factor. The 1.76 mA output and 100 V breakdown voltage define the operational limits. Confirm that the DO-213AB footprint matches the PCB design constraints and that the thermal management strategy accommodates the specified power dissipation under worst-case conditions.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5300 series of current regulator diodes produced by Microchip. It shares functional similarities with other variants in the family but differs in specific current ratings and packaging configurations. The JANS prefix indicates a specific level of screening and qualification within the broader product line.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include JAN1N5303-1 for through-hole implementations or other 1N530x series variants if current tolerance allows. Verify pinout compatibility and electrical parameter alignment before substituting any alternative current regulator diode.