1N5529BUR-1/TR

Overview

The Microchip Technology 1N5529BUR-1/TR is a single silicon Zener diode housed in the DO-213AA (MLL34) MELF package. It provides a nominal Zener voltage of 9.1 V with a 5% tolerance at a test current of 1 mA. The device features a maximum power dissipation of 500 mW and a Zener impedance of 60 ohms. It operates within a temperature range of -65°C to +175°C and has a maximum reverse leakage current of 50 nA.

Feature Summary

• Hermetically sealed glass encapsulation for environmental protection
• Metallurgically bonded construction for structural integrity
• Single unidirectional configuration for precise voltage regulation

Applications

• Harsh environment voltage regulation
• Reference voltage sources
• Overvoltage protection circuits

Procurement Notes

Verify the specific suffix and manufacturer designation, as Microsemi and Microchip branding may appear interchangeably for this component lineage. Confirm the package type matches the required DO-213AA form factor. Ensure the voltage rating aligns with circuit requirements before integration.

Selection Notes

Select this component when hermetic sealing and high-temperature operation up to 175°C are required. The DO-213AA package offers a compact footprint suitable for space-constrained designs. Verify that the 500 mW power rating meets the thermal dissipation needs of the application.

Part Context

This part belongs to the MIL-spec derived Zener diode family produced by Microchip Technology. It utilizes a glass MELF package designed for reliability in demanding conditions. The component serves as a robust voltage reference or clamp in critical electronic systems.

Replacement Considerations

Compatible substitutes include JAN1N5529BUR-1 and JANTXV1N5529UR-1 from the same manufacturer series. These variants share similar electrical characteristics and package dimensions.