1N5523BUR-1/TR

Overview

The 1N5523BUR-1/TR is a single Zener diode manufactured by Microchip Technology, designed for surface-mount applications in the DO-213AA-2 package. It provides a nominal Zener voltage of 5.1 V with a 5% tolerance at a test current of 5 mA. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +175°C junction temperature. Key electrical characteristics include a maximum reverse leakage current of 2 µA and a Zener impedance of 26 Ohms. The component is supplied in a reel packaging format.

Feature Summary

• Provides stable voltage regulation via Zener breakdown mechanism
• Capable of operation across an extended industrial temperature range up to 175°C
• Designed for automated surface-mount assembly processes

Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in sensitive electronic systems
• Clamping applications for transient voltage suppression

Procurement Notes

Verify the specific suffix configuration against official Microchip documentation to ensure compatibility with required manufacturing standards. Confirm that the DO-213AA-2 footprint matches the target PCB design constraints. Cross-reference the datasheet parameters for thermal management requirements during high-power operation scenarios.

Selection Notes

Select this component when a compact surface-mount solution is required for low-voltage regulation tasks. Ensure the circuit design accommodates the specified 500 mW power dissipation limit. Verify that the 5.1 V output aligns with the system's reference or protection thresholds before finalizing the bill of materials.

Part Context

This part belongs to the standard Zener diode family produced by Microchip Technology. It utilizes the DO-213AA-2 package, which is a small outline surface-mount form factor. The device serves as a fundamental passive component for establishing fixed voltage points in analog and digital circuit designs.

Replacement Considerations

Consult official substitution guides for equivalent parts with matching voltage and package specifications.