1N5271BUR-1

Single Zener Diodes Overview

The Microchip Technology 1N5271BUR-1 is a surface mount Zener voltage regulator in a DO-213AA package. It provides a nominal Zener voltage of 100 V at a test current of 1.3 mA, with a maximum dynamic impedance of 500 Ohms and reverse leakage current of 0.1 µA. The device operates within a junction temperature range of -65°C to +175°C and dissipates up to 0.5 W.

Single Zener Diodes Feature Summary

• Hermetically sealed metallurgically bonded glass surface mount package
• Surface mount equivalent of JEDEC registered 1N5221 thru 1N5281 series
• Inherently radiation hard per Microsemi documentation

Single Zener Diodes Applications

• Voltage regulation over broad operating current and temperature ranges
• ESD protection applications
• Radiation-hardened circuit designs

Single Zener Diodes Procurement Notes

Verify the specific suffix against official datasheets to confirm tolerance levels and RoHS compliance status. Confirm that the ordering suffix accurately reflects the required voltage tolerance and environmental screening options before procurement.

Single Zener Diodes Selection Notes

Select this component for applications requiring a hermetically sealed surface mount Zener diode with radiation hardness. Ensure the design accommodates the specified thermal resistance and power dissipation limits under expected ambient conditions.

Single Zener Diodes Part Context

This part belongs to the 1N5221BUR-1 through 1N5281BUR-1 series, offering surface mount equivalents to popular axial-leaded JEDEC registered Zener diodes. The series covers voltages from 2.4 to 200 volts in a metallurgically bonded configuration.

Single Zener Diodes Replacement Considerations

The 1N5271B-1 is available as an axial-leaded alternative within the same product family.