JANTX1N5285UR-1

Current Regulation - Diodes, Transistors Overview

The JANTX1N5285UR-1 is a silicon current regulator diode manufactured by Microchip Technology. It operates in the surface-mount DO-213AB (MELF) package and is designed for military applications under MIL-PRF-19500/463 standards. The device provides a regulated current of 279 µA with a maximum limiting voltage of 1 V. It supports a maximum power dissipation of 500 mW and functions within a junction temperature range of -65°C to 175°C.

Current Regulation - Diodes, Transistors Feature Summary

• Hermetically sealed glass MELF package ensures environmental durability
• Military-grade qualification compliant with MIL-PRF-19500/463 specifications
• Stable current regulation across wide operating temperature ranges

Current Regulation - Diodes, Transistors Applications

• Precision biasing circuits requiring stable current sources
• Military aerospace electronic systems
• High-reliability industrial instrumentation

Current Regulation - Diodes, Transistors Procurement Notes

Verify component authenticity through authorized Microchip distributors or certified suppliers. Confirm that the part number suffix UR-1 corresponds to the specified MIL-PRF-19500/463 military grade and hermetic sealing requirements. Request full traceability documentation and material compliance certificates prior to procurement to ensure adherence to defense industry standards.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a hermetically sealed, military-specification current regulator is required. Ensure the circuit design accommodates the 279 µA nominal current and 1 V limiting voltage. Verify that the DO-213AB footprint matches the PCB layout constraints and that the thermal management strategy supports the 500 mW power dissipation capability at the intended operating temperatures.

Current Regulation - Diodes, Transistors Part Context

This device belongs to the 1N5285 family of current regulator diodes produced by Microchip Technology. It shares functional characteristics with other members of the series but is distinguished by its specific military qualification level and surface-mount packaging format. The part serves as a specialized semiconductor solution for high-reliability analog circuit applications.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include the standard commercial variant 1N5285/TR and the higher-grade JANTXV1N5285UR-1. Verify pinout compatibility and electrical parameter tolerances before substitution. Note that non-military variants lack hermetic sealing and may not meet the same environmental reliability standards.