JANTXV1N5290UR-1/TR

Overview

The JANTXV1N5290UR-1/TR is a hermetically sealed current regulator diode manufactured by Microchip Technology. It operates in the DO-213AB (MELF) surface-mount package and provides a regulated current of 470 µA with a maximum limiting voltage of 1.05 V. The device is rated for a maximum power dissipation of 500 mW and supports an operating temperature range from -65°C to +175°C. This component meets MIL-PRF-19500/463 specifications, ensuring reliability for demanding environments.

Feature Summary

• Hermetic glass encapsulation ensures long-term stability and protection against moisture ingress.
• Constant current regulation capability maintains stable performance across varying load conditions.
• Military-grade qualification adheres to strict MIL-PRF-19500/463 standards for high-reliability applications.

Applications

• Precision constant current sources for analog signal conditioning circuits
• Biasing networks for sensitive semiconductor sensors and detectors
• Current limiting protection in high-reliability aerospace and defense systems

Procurement Notes

Verify that the suffix /TR indicates tape-and-reel packaging when ordering. Confirm the specific lot traceability requirements align with project needs. Ensure the procurement channel is authorized to guarantee authenticity. Check for any specific handling instructions related to the hermetic seal integrity during assembly processes.

Selection Notes

Select this component when a stable microampere-level current source is required in a compact surface-mount form factor. The wide temperature range makes it suitable for extreme environmental conditions. Compare the 470 µA regulation point against circuit requirements to ensure compatibility with downstream components.

Part Context

This part belongs to the JANTXV series of radiation-hardened and high-reliability diodes produced by Microchip. It serves as a surface-mount alternative to traditional axial-leaded current regulators, offering similar electrical characteristics in a smaller footprint suitable for modern PCB layouts.

Replacement Considerations

Direct substitutes include JAN1N5290-1/TR for axial versions or other JANTXV1N5290 variants depending on packaging preferences. Verify pinout compatibility and thermal management requirements before swapping between different package types within the same family.