1N5527BUR-1/TR

Overview

The Microchip Technology 1N5527BUR-1/TR is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 7.5 V with a tolerance of ±5% and a maximum power dissipation of 500 mW. The device utilizes an SMD/SMT mounting style in the DO-213AA-2 package, also known as SOD-80. It operates within a temperature range of -65°C to +175°C and exhibits a maximum Zener impedance of 35 Ohms at a test current of 1 mA.

Feature Summary

• Provides stable voltage regulation through Zener breakdown characteristics
• Supports surface-mount assembly for automated PCB integration
• Rated for extended industrial and military temperature environments

Applications

• Voltage reference circuits requiring precise potential levels
• Over-voltage protection stages in sensitive electronic systems
• Clamping applications in signal conditioning paths

Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with required packaging and qualification standards. Confirm that the selected variant meets all environmental and electrical specifications for the intended operational environment before finalizing procurement decisions.

Selection Notes

Select this component when a compact surface-mount solution is required for 7.5 V regulation. Ensure the circuit design accommodates the 500 mW power dissipation limit and the specified thermal operating range. Verify that the DO-213AA-2 footprint aligns with the target PCB layout constraints.

Part Context

This part belongs to the 1N5527 series of Zener diodes manufactured by Microchip Technology. The series offers various voltage options and package configurations, including through-hole and surface-mount variants. The BUR-1 designation typically indicates a specific military or high-reliability grade configuration within the broader product family.

Replacement Considerations

Parametric equivalents include JAN1N5527B-1 and JAN1N5527C-1. Verify pinout compatibility and package dimensions before substituting.