JANS1N5287-1/TR

Current Regulation - Diodes, Transistors Overview

The JANS1N5287-1/TR is a current regulator diode manufactured by Microchip Technology, designed for military and aerospace applications under the MIL-PRF-19500/463 series. It features a surface mount DO-213AB (MELF) package with LL41 configuration. Key electrical parameters include a maximum peak operating voltage of 100 V, a typical regulated current of 363 µA, and a power dissipation rating of 500 mW. The device supports an extended temperature range from -65 °C to +175 °C.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation within specified limits
• Complies with MIL-PRF-19500/463 military standards
• Utilizes glass-encapsulated MELF construction

Current Regulation - Diodes, Transistors Applications

• Military electronic systems requiring high reliability
• Aerospace circuit protection and biasing
• Precision instrumentation current limiting

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the specific suffix '-TR' corresponds to the tape and reel packaging format as documented in official Microchip datasheets. Confirm compliance with the MIL-PRF-19500/463 standard requirements for the intended environment. Ensure the DO-213AB MELF package dimensions match the target PCB footprint. Validate that the 363 µA current specification meets the design constraints for the application.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a surface mount solution is required for high-reliability current regulation. The MELF package offers robustness suitable for harsh environments compared to standard plastic packages. Consider the 100 V voltage limit and 500 mW power dissipation capabilities during thermal analysis. Verify that the 363 µA current value aligns with the specific circuit requirements for biasing or limiting functions.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the JANS series of current regulator diodes, which are qualified for space and defense applications. It is functionally related to the commercial 1N5287 series but adheres to stricter military quality and testing standards. The device serves as a passive two-terminal current limiter, offering a compact alternative to active transistor-based constant current sources in low-power circuits.

Current Regulation - Diodes, Transistors Replacement Considerations

Public confirmed substitute part numbers: None identified.