1N5255/TR

Single Zener Diodes Overview

The Microchip Technology 1N5255/TR is a Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 28 V with a 10% tolerance and operates at a test current of 4.5 mA. The device dissipates up to 500 mW of power in a DO-35 axial package. Key electrical characteristics include a maximum reverse leakage current of 100 nA, a Zener impedance of 44 Ohms, and a forward voltage of 1.1 V. It supports an operating temperature range from -65°C to +200°C and exhibits a voltage temperature coefficient of 0.09%/°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation through precise Zener breakdown characteristics.
• Capable of handling high thermal loads with a maximum junction temperature of 200°C.
• Offers low leakage current for efficient operation in sensitive circuits.

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels.
• Overvoltage protection stages in electronic systems.
• General-purpose voltage regulation tasks.

Single Zener Diodes Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm tape-and-reel packaging configuration. Ensure that the requested part number matches the exact electrical tolerances and package style required for the design. Cross-reference manufacturer datasheets to validate compliance with environmental standards and availability constraints before finalizing procurement plans.

Single Zener Diodes Selection Notes

Select this component when a 28 V regulation point is required within a standard axial leaded package. Consider the 500 mW power dissipation limit and the 4.5 mA test current conditions during circuit design. Evaluate the 10% voltage tolerance and 44 Ohm impedance against the specific load requirements to ensure adequate performance stability across the specified temperature range.

Single Zener Diodes Part Context

This component belongs to the Microchip Technology discrete semiconductor portfolio, specifically within the Zener diode category. It utilizes silicon technology housed in a glass DO-35 encapsulation. The product line focuses on providing reliable voltage regulation solutions for industrial and commercial electronics, adhering to established JEDEC mechanical dimensions for through-hole mounting.

Single Zener Diodes Replacement Considerations

Consult official Microchip substitution guides or equivalent manufacturer cross-reference lists to identify compatible alternatives. Verify that any substitute maintains identical Zener voltage, power rating, and package compatibility to ensure seamless integration without redesigning the host circuit board.