1N5289 TR TIN/LEAD

Overview

The 1N5289/TR is a current regulator diode manufactured by Central Semiconductor Corp. It features a maximum voltage rating of 100V and a regulated current of 473µA. The device dissipates up to 500mW of power and operates within a junction temperature range of -65°C to 175°C. Packaged in the DO-7 axial through-hole format, it is designed for stable current control applications.

Feature Summary

• Provides constant current regulation with a fixed output value
• Supports high-temperature operation up to 175°C junction temperature
• Utilizes a robust axial leaded package for through-hole mounting

Applications

• Biasing circuits requiring stable current sources
• LED driver circuits for consistent illumination levels
• Protection circuits limiting current flow to sensitive components

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm packaging type and material composition. Ensure the requested variant matches the required regulatory compliance standards for your region before finalizing procurement orders.

Selection Notes

Select this component when a precise microampere-level current reference is needed without complex circuitry. Confirm that the 100V breakdown voltage and 500mW power dissipation capabilities align with the target circuit's electrical requirements and thermal management constraints.

Part Context

This part belongs to the 1N5283–1N5314 series of current regulator diodes produced by Microchip Technology and distributed by Central Semiconductor. These devices are standardized axial-lead components widely used in analog electronics for simple, reliable current limiting functions.

Replacement Considerations

Cross-reference with other 1N5289 equivalents from different manufacturers. Verify pinout compatibility and ensure that alternative parts meet the same 473µA regulation tolerance and 100V maximum voltage specifications.