JANTX1N5287UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JANTX1N5287UR-1/TR is a current regulator diode manufactured by Microchip Technology. It operates within the MIL-PRF-19500/463 series and provides a regulated current of 363 µA at a maximum voltage of 100 V with a power dissipation of 500 mW. The device utilizes a DO-213AB (MELF) surface-mount package and is supplied in tape-and-reel format. It supports an operating temperature range from -65 °C to +175 °C, ensuring reliability in demanding environments.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade qualification compliant with MIL-PRF-19500/463 standards for high reliability applications.
• Surface-mount MELF construction designed for automated assembly and compact circuit board layouts.
• Extended thermal performance capability supporting operation across a wide industrial and military temperature spectrum.

Current Regulation - Diodes, Transistors Applications

• Constant current sources for biasing semiconductor devices.
• Current limiting protection in sensitive electronic circuits.
• Reference current generation in precision measurement instrumentation.

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1/TR against official Microchip documentation to confirm the tape-and-reel packaging configuration. Ensure that the JANTX level meets the required radiation hardness and quality standards for the intended deployment environment before finalizing procurement orders.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable 363 µA regulation is required in a surface-mount form factor. Compare the 100 V maximum voltage rating against circuit requirements to ensure adequate headroom. Verify that the DO-213AB footprint aligns with the target PCB design constraints.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5283-1 through 1N5314-1 family of current regulator diodes. These devices function as counterparts to Zener diodes by regulating current over a broad voltage range rather than voltage over a current range. The JANTX designation indicates a specific military qualification tier within this established product line.

Current Regulation - Diodes, Transistors Replacement Considerations

Consult Microchip datasheets for parametric equivalents within the same series. Verify pinout compatibility and electrical tolerances before substituting with other manufacturers' MELF current regulators.