JANTX1N5290UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JANTX1N5290UR-1/TR 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. Key electrical specifications include a maximum voltage of 100V, a regulator current of 517µA, and a power dissipation rating of 500mW. The device features a maximum limit voltage of 1.05V and supports an operating temperature range from -65°C to +175°C junction temperature. It is supplied in tape and reel packaging.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade reliability compliant with MIL-PRF-19500/463 standards
• Surface-mount MELF glass construction for robust environmental performance
• Constant current regulation capability across extended temperature ranges

Current Regulation - Diodes, Transistors Applications

• Precision biasing circuits in aerospace systems
• Current limiting protection in military-grade electronics
• Stable reference current sources for sensor interfaces

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1/TR against official Microchip documentation to confirm the tape and reel configuration and exact mechanical dimensions. Ensure the procurement channel provides valid traceability records required for military components. Confirm that the delivered units match the MIL-PRF-19500/463 qualification level specified in the datasheet before integration into critical assemblies.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a surface-mount current regulator with military qualification is required. Compare the 517µA regulation current against circuit requirements to ensure adequate drive capability. Verify that the DO-213AB footprint matches the PCB design constraints. Consider the 100V breakdown voltage as the upper operational limit for the application environment.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5290 series of current regulator diodes produced under the JANTX designation, indicating enhanced testing levels within the military family. The UR-1 suffix typically denotes a specific variant or packaging option within the Microchip portfolio. It serves as a solid-state alternative to traditional Zener-based constant current sources in high-reliability designs.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes may include JAN1N5290-1/TR for through-hole equivalents or other 1N5290-series variants from Microchip. Verify pinout compatibility and thermal characteristics when replacing. Cross-reference with MIL-PRF-19500/463 qualified parts from other authorized manufacturers if supply chain constraints exist.