JAN1N5312UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JAN1N5312UR-1/TR is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications. It operates within the MIL-PRF-19500/463 military qualification series and utilizes a DO-213AB (MELF) glass package. The device provides a regulated current of 4.29 mA with a maximum peak operating voltage of 100 V and a maximum power dissipation of 500 mW. It functions effectively across an extended temperature range from -65°C to +175°C junction temperature.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade reliability compliant with MIL-PRF-19500/463 standards
• Surface-mount MELF glass encapsulation for robust performance
• Constant current regulation over a wide voltage range

Current Regulation - Diodes, Transistors Applications

• Precision constant current sources in aerospace systems
• Current limiting protection circuits in harsh environments
• Biasing elements for sensitive semiconductor devices

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1/TR against the official Microchip datasheet to confirm the exact electrical tolerances and packaging configuration. Ensure that the procurement channel provides valid traceability documentation required for military-grade components. Cross-reference the manufacturer part number with the latest quality certifications before finalizing acquisition.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable current source is required in space-constrained surface-mount designs. The 4.29 mA rating suits low-power biasing needs. Consider the 100 V breakdown limit and 500 mW power handling capability during thermal design. Verify compatibility with the target PCB footprint for the DO-213AB package.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N53xx series of current regulator diodes produced by Microchip. These devices serve as alternatives to Zener diodes for current control rather than voltage regulation. The JAN prefix indicates military qualification, distinguishing it from commercial variants like the standard 1N5312.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other military-qualified current regulators from the same series, such as JAN1N5311UR-1 or JAN1N5313UR-1, provided their specific current ratings match the circuit requirements. Commercial equivalents may lack the necessary environmental ruggedness.