1N5290 BK PBFREE

Overview

The 1N5290 BK PBFREE is a silicon current regulator diode manufactured by Central Semiconductor Corp. It operates in the DO-204AH axial package and provides a regulated current of 541 µA with a peak operating voltage of 100 V. The device dissipates up to 600 mW of power and maintains functionality across an extended temperature range from -65°C to 200°C. This component serves as a stable current source for electronic circuits requiring constant current regulation under varying supply conditions.

Feature Summary

• Provides constant current output regardless of power supply fluctuations or load variations
• Operates reliably within an extended junction temperature range suitable for harsh environments
• Designed for applications requiring precise current limiting without complex circuitry

Applications

• LED driver circuits requiring constant current regulation
• Current limiting protection in sensitive electronic systems
• Biasing elements in analog signal processing circuits

Procurement Notes

Verify the exact regulatory compliance status, specifically RoHS3 certification, through official manufacturer documentation before integration. Confirm that the DO-204AH axial package dimensions align with your PCB footprint requirements. Ensure thermal management strategies account for the 600 mW power dissipation rating at maximum operating temperatures to maintain reliability and prevent thermal degradation during continuous operation.

Selection Notes

Select this component when a fixed current source is required rather than voltage regulation. The 541 µA output is specific; verify it matches the target circuit's bias needs. Consider the high-temperature capability if the application involves elevated ambient conditions. Compare against standard Zener diodes if voltage clamping is needed instead of current regulation, as this part functions differently from voltage reference devices.

Part Context

This part belongs to the 1N5283 series of silicon field effect current regulator diodes produced by Central Semiconductor. These devices are distinct from standard rectifiers or Zener diodes, focusing exclusively on maintaining a steady current flow. The series is engineered for robust performance in discrete semiconductor applications where simple, reliable current control is essential for system stability.

Replacement Considerations

• 1N5290 TR PBFREE