1N3050BUR-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N3050BUR-1/TR is a surface mount glass Zener diode with a nominal voltage of 180 V and a maximum power dissipation of 1.5 W. It operates within a temperature range of -65°C to +175°C. The device features a test current (IZT) of 1.4 mA, a maximum Zener impedance (ZZT) of 1200 Ohms at IZT, and a maximum reverse leakage current (IR) of 0.5 µA at 136.8 V. The typical temperature coefficient is 0.1368 %/°C. It utilizes a DO-213AB MELF package.

Single Zener Diodes Feature Summary

• Hermetically sealed double-slug glass construction for high-reliability applications
• Metallurgically enhanced internal contact design providing lower thermal resistance
• Leadless surface mount package suitable for high-density mounting
• Inherently radiation hard

Single Zener Diodes Applications

• High-density circuit board mounting
• Voltage regulation over broad operating currents and temperatures
• High-reliability electronic systems

Single Zener Diodes Procurement Notes

Verify the specific electrical parameters against the official datasheet before integration. Confirm that the TR suffix indicates tape and reel packaging per EIA-481-1-A standards. Ensure compatibility with the required screening levels if military specifications are necessary.

Single Zener Diodes Selection Notes

Select this component when a leadless surface mount Zener diode with high power handling is required. Consider the 1.5 W rating and wide operating temperature range for demanding environments. Verify that the 180 V breakdown voltage aligns with the circuit requirements.

Single Zener Diodes Part Context

This part belongs to the 1N3016BUR-1 through 1N3051BUR-1 series of surface mountable Zener diodes. It serves as the SMD equivalent to the JEDEC registered 1N3016B through 1N3051B in the DO-13 axial lead package, offering similar functionality in a compact form factor.

Single Zener Diodes Replacement Considerations

Equivalent axial lead parts include 1N3050B. For tighter tolerance options, suffixes such as C or D may be used on the base part number.