1N5269BUR-1

Single Zener Diodes Overview

The Microchip Technology 1N5269BUR-1 is a 0.5 W Zener voltage regulator in a hermetically sealed DO-213AA surface mount package. It provides an 87 V nominal Zener voltage with a ±5% tolerance. The device operates within a junction temperature range of -65°C to +175°C and features a maximum reverse leakage current of 0.1 µA at 68 V. Electrical characteristics include a test current of 1.4 mA, a dynamic impedance of 370 Ohms at the test point, and a positive temperature coefficient of +0.099 %/°C.

Single Zener Diodes Feature Summary

• Hermetically sealed metallurgically bonded glass surface mount package
• Inherently radiation hard design
• Non-sensitive to electrostatic discharge (ESD)
• Minimal capacitance for high-frequency stability

Single Zener Diodes Applications

• Voltage regulation over broad operating current and temperature ranges
• High-reliability aerospace and defense circuits
• Harsh environment industrial electronics

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against the manufacturer's part nomenclature guide to ensure correct tolerance and RoHS compliance status. Confirm that the required screening level matches the intended application environment, as up-screening options are available separately. Validate package dimensions against the PCB footprint layout prior to procurement.

Single Zener Diodes Selection Notes

Select this component when a ruggedized surface mount solution is required for voltages exceeding standard commercial limits. The DO-213AA package offers a direct footprint equivalent to the axial 1N5269 series while providing superior thermal and mechanical robustness. Ensure the circuit design accommodates the specific dynamic impedance and power derating curves provided in the datasheet.

Single Zener Diodes Part Context

This device belongs to the 1N5221BUR-1 through 1N5281BUR-1 series, which serves as the surface mount equivalent to the JEDEC registered 1N5221 to 1N5281 axial series. Manufactured by Microchip Technology, these regulators utilize internal metallurgical bonds to ensure long-term reliability in demanding applications.

Single Zener Diodes Replacement Considerations

The 1N5269B is a parameter-equivalent axial leaded alternative within the same product family. Verify that the target application can accommodate the physical size difference between the DO-204AH axial package and the DO-213AA surface mount form factor.

Single Zener Diodes FAQ

Is the 1N5269BUR-1 sensitive to electrostatic discharge?

No, the device is non-sensitive to ESD, meeting MIL-STD-750 method 1020 requirements.

What is the maximum operating junction temperature?

The maximum junction and storage temperature is +175°C.