JAN1N5303-1/TR

Current Regulation - Diodes, Transistors Overview

The JAN1N5303-1/TR is a current regulator diode manufactured by Microchip Technology, designed for military-grade applications. It operates within a temperature range of -65°C to +175°C (TJ). The device features a maximum anode-to-cathode voltage (Vak) of 100V and a maximum regulator current of 1.76mA. With a maximum power dissipation of 500mW and a maximum limiting voltage of 1.65V, it provides stable current regulation. The component is housed in a DO-204AA (DO-7) axial through-hole package and is supplied in tape and reel packaging.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade reliability compliant with MIL-PRF-19500/463 specifications
• Wide operating temperature range suitable for extreme environments
• Through-hole axial construction for robust mechanical mounting

Current Regulation - Diodes, Transistors Applications

• Current limiting in high-reliability electronic circuits
• Biasing elements in military-grade semiconductor designs
• Constant current sources for sensitive analog components

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific ordering suffix /TR confirms tape and reel packaging rather than bulk. Confirm that the JAN prefix indicates compliance with MIL-PRF-19500/463 military standards. Ensure the manufacturer is identified as Microchip Technology or its authorized predecessor entity. Check for RoHS3 compliance status if required by the assembly process. Validate the part number against official Microchip documentation to avoid counterfeit components.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current of approximately 1.76mA is required in harsh environments. The DO-7 package suits through-hole PCB layouts requiring axial leads. Consider the 100V breakdown voltage for circuit headroom. Verify thermal management capabilities given the 500mW power rating at elevated temperatures up to 175°C.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the JAN series of current regulator diodes produced by Microchip Technology. It is functionally related to the commercial 1N5303 series but meets stricter military qualification standards. The /TR suffix denotes a specific packaging format optimized for automated surface mount or through-hole insertion equipment.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other JAN-series current regulators from Microchip with matching current ratings. Commercial equivalents like the 1N5303 may lack the required military temperature and reliability specifications. Verify pinout compatibility and package dimensions before substitution.