JANTXV1N5314UR-1/TR

Overview

The JANTXV1N5314UR-1/TR is a hermetically sealed current regulator diode manufactured by Microchip Technology. It operates in the SMD/SMT package DO-213AB (MiniMELF). The device provides a regulated current of 5.17 mA with a maximum limiting voltage of 1.0 V and a peak operating voltage of 100 V. Power dissipation is rated at 500 mW. It functions within a temperature range from -65 °C to +175 °C. This component is qualified per MIL-PRF-19500/463 for military applications.

Feature Summary

• Hermetically sealed glass MELF construction for environmental protection
• Constant current regulation over a wide voltage range
• High source impedance characteristics
• Qualified for extended military temperature ranges

Applications

• Military aerospace circuits requiring stable bias currents
• Protection of sensitive semiconductor junctions against overcurrent
• Current limiting in high-reliability power supplies

Procurement Notes

Verify the specific suffix UR-1/TR against the manufacturer's datasheet to confirm tape-and-reel packaging and exact electrical tolerances. Ensure procurement channels provide valid traceability documentation required for military-grade components. Confirm that the supplier offers genuine Microchip products with appropriate quality certifications.

Selection Notes

Select this component when a surface-mount current limiter is required for harsh environments. Compare the 5.17 mA regulation point against circuit requirements. Verify that the DO-213AB footprint matches the PCB design. Consider thermal management capabilities given the 500 mW power rating in confined spaces.

Part Context

This part belongs to the 1N5283-1 through 1N5314-1 series of current regulator diodes. These devices serve as counterparts to Zener diodes, regulating current rather than voltage. The series utilizes silicon technology in axial or MELF packages to provide reliable performance in demanding electronic systems.

Replacement Considerations

Direct replacements include JAN1N5314UR-1 and JANTX1N5314UR-1. Verify pinout compatibility and ensure the substitute meets the same MIL-PRF-19500/463 qualification standards. Check if lower tolerance grades are acceptable for the specific application.