JAN1N5303UR-1

Current Regulation - Diodes, Transistors Overview

The JAN1N5303UR-1 is a current regulator diode manufactured by Microchip Technology, designed for military and aerospace applications under the MIL-PRF-19500/463 specification. It operates in a surface-mount DO-213AB (MELF) package with round-end terminals. The device provides a regulated current of 1.76 mA with a maximum voltage rating of 100 V and a power dissipation capacity of 500 mW. It functions within an extended junction temperature range of -65°C to +175°C, ensuring reliability in harsh environments.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade construction compliant with MIL-PRF-19500/463 standards
• Surface-mount MELF package design for automated assembly
• Extended operating temperature range suitable for extreme conditions

Current Regulation - Diodes, Transistors Applications

• Constant current sources for precision analog circuits
• Biasing elements in high-reliability aerospace systems
• Current limiting protection in military-grade electronic assemblies

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the ordering suffix UR-1 corresponds to the specific round-end SMT variant and MIL-PRF-19500/463 qualification level. Confirm package integrity upon receipt, as MELF components are sensitive to mechanical stress during handling. Ensure storage conditions meet manufacturer guidelines to prevent moisture ingress prior to soldering.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable 1.76 mA regulation is required in a compact surface-mount form factor. Compare against through-hole alternatives if PCB layout constraints allow larger footprints. Verify that the 100 V breakdown voltage aligns with the circuit's maximum operating potential to avoid device failure.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the JAN1N5303 series of current regulator diodes produced by Microchip Technology. It shares functional characteristics with other devices in the 1N53xx family but is distinguished by its military qualification and surface-mount packaging. The UR-1 suffix indicates the specific reel or tape configuration for the round-end MELF style.

Current Regulation - Diodes, Transistors Replacement Considerations

Publicly confirmed substitute part numbers for JAN1N5303UR-1 were not identified in the provided source material. Cross-reference with generic 1N5303 equivalents only if military specifications and exact package dimensions are not critical requirements.