1N5243BUR-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N5243BUR-1/TR is a surface mount Zener voltage regulator in the 1N5221BUR-1 series. It provides a nominal Zener voltage of 13 V at a test current of 9.0 mA with a ±5% tolerance. The device operates within a junction temperature range of -65°C to +175°C and dissipates up to 0.5 W. It features a metallurgically bonded glass DO-213AA package, a maximum reverse leakage current of 0.5 µA, and a dynamic impedance of 13 Ohms.

Single Zener Diodes Feature Summary

• Hermetically sealed metallurgically bonded glass surface mount package
• Voltage regulation across a broad operating current and temperature range
• Non-sensitive to electrostatic discharge (ESD)
• Inherently radiation hard

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Protection against overvoltage conditions
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify the specific part number suffixes to confirm RoHS compliance status and tolerance grade. Ensure the ordering suffix matches the required packaging format, such as tape and reel options. Confirm that the component meets all necessary environmental and reliability screening requirements for the intended application before procurement.

Single Zener Diodes Selection Notes

Select this component when a hermetically sealed surface mount Zener diode is required. The 1N5243BUR-1 offers a 13 V regulation point suitable for various circuit designs. Consider the thermal resistance and power dissipation limits during layout planning to ensure reliable operation under expected load conditions.

Single Zener Diodes Part Context

This component belongs to the 1N5221BUR-1 through 1N5281BUR-1 series of 0.5 watt Zener voltage regulators. These devices serve as surface mount equivalents to the JEDEC registered 1N5221 to 1N5281 axial-leaded series. The series covers a wide voltage range from 2.4 to 200 volts in a compact metallurgically bonded configuration.

Single Zener Diodes Replacement Considerations

The 1N5243BUR-1 is a parameter-equivalent replacement for the standard 1N5243B in surface mount applications.