JAN1N5309UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JAN1N5309UR-1/TR is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications. It operates within the DO-213AB (MELF) package and provides a regulated current of 3.3 mA with a maximum voltage rating of 100 V. The device supports a power dissipation of 500 mW and functions across an extended temperature range from -65°C to +175°C junction temperature. This component belongs to the military-grade series compliant with MIL-PRF-19500/463 specifications.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable constant current regulation suitable for precision circuit applications
• Constructed in a hermetically sealed glass MELF package for environmental protection
• Qualified for military standards ensuring reliability under extreme conditions

Current Regulation - Diodes, Transistors Applications

• Military aerospace electronic systems requiring high-reliability current limiting
• Precision analog circuits needing stable bias currents over wide temperature ranges
• Protection stages in harsh environment instrumentation

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1/TR against official Microchip documentation to confirm tape-and-reel packaging configuration. Ensure procurement channels source directly from authorized distributors to guarantee authenticity and traceability for military-grade components. Confirm RoHS exemption status as required by project specifications.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a surface-mount solution is required for constant current regulation up to 3.3 mA. Verify that the DO-213AB footprint matches the PCB layout constraints. Ensure the operating voltage does not exceed the 100 V limit and that thermal management accommodates the 500 mW dissipation at maximum junction temperatures.

Current Regulation - Diodes, Transistors Part Context

This part is part of the JAN1N530x series of current regulator diodes produced by Microchip's Microsemi division. These devices are engineered for rugged environments and offer performance characteristics superior to standard commercial equivalents. The series includes various current ratings to support diverse design requirements in defense and industrial sectors.

Current Regulation - Diodes, Transistors Replacement Considerations

Consult Microchip datasheets for direct pin-compatible alternatives within the same series. Verify electrical parameters such as regulated current tolerance and breakdown voltage before substituting with other manufacturers' parts.