1N5311-1

Overview

The Microchip Technology 1N5311-1 is a current regulator diode designed for applications requiring stable current control. It operates within a voltage range of up to 100V and provides a regulated current of 4.29mA. The device features a power dissipation rating of 500mW, making it suitable for through-hole mounting configurations. This component belongs to the current regulator diode category, offering consistent performance across varying load conditions while maintaining low impedance characteristics for effective regulation.

Feature Summary

• Provides stable current regulation with minimal variation under changing load conditions
• Operates reliably within specified voltage limits without requiring external components
• Designed for through-hole mounting to support robust circuit integration

Applications

• Constant current sources for LED driving circuits
• Biasing networks in analog signal processing stages
• Current limiting protection in sensitive electronic loads

Procurement Notes

Verify the exact part number suffix against official Microchip documentation to ensure correct electrical specifications. Confirm package type and temperature range requirements match your design needs. Check for any recent product change notifications that may affect pinout or material composition before finalizing procurement decisions.

Selection Notes

Select this component when a fixed current source is required without complex feedback loops. Ensure the operating voltage remains below the maximum breakdown rating to prevent damage. Consider thermal management strategies given the 500mW dissipation limit in enclosed environments.

Part Context

This device is part of Microchip's discrete semiconductor portfolio, specifically within the diode and rectifier family. It serves as a passive current regulation solution, complementing active transistor-based designs. The 1N5311 series offers standardized performance for industrial and commercial electronics where reliability is critical.

Replacement Considerations

Cross-reference with other 1N531x series variants from different manufacturers if pin compatibility is required. Verify that substitute parts meet the same 4.29mA regulation current and 100V maximum voltage specifications to maintain circuit functionality.