JANS1N5290-1/TR

Current Regulation - Diodes, Transistors Overview

The JANS1N5290-1/TR is a current regulator diode manufactured by Microchip Technology, designed for military-grade applications. It operates with a maximum voltage of 100V and provides a regulated current of 517µA at a power dissipation of 500mW. The device features a maximum limit voltage of 1.05V and is housed in a DO-204AA (DO-7) axial through-hole package. It supports an operating temperature range from -65°C to +175°C junction temperature and complies with MIL-PRF-19500/463 standards.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade qualification per MIL-PRF-19500/463
• Constant current regulation over broad voltage ranges
• High thermal stability with extended temperature operation

Current Regulation - Diodes, Transistors Applications

• Military electronic systems requiring stable bias currents
• Spacecraft instrumentation circuits
• Harsh environment sensor interfaces

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix /TR indicates tape and reel packaging configuration against official Microchip documentation. Confirm that the JAN prefix denotes the standard military grade level rather than higher reliability tiers like JANTX or JANS without suffixes if applicable. Ensure compliance with EAR99 export classification requirements for the intended destination.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a precise constant current source is required within a compact axial leaded form factor. The 517µA rating suits low-power reference applications. Verify that the 100V breakdown capability meets the circuit's maximum reverse voltage stress. Consider the DO-7 package dimensions for PCB layout constraints.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5283-1 through 1N5314-1 series of 0.5-watt current regulators. These devices serve as counterparts to Zener diodes by regulating current over a broad voltage range instead of voltage over a broad current range. The series utilizes standard axial-leaded packages suitable for through-hole mounting in ruggedized designs.

Current Regulation - Diodes, Transistors Replacement Considerations

Cross-reference with other parts in the 1N5283-1 to 1N5314-1 series for different current values. Verify equivalent military qualification levels such as JAN1N5290-1 or JANTX variants if cost or availability dictates, ensuring pinout and package compatibility remain identical.