1N5253B

Single Zener Diodes Overview

The onsemi 1N5253B is a silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 26 V with a 5% tolerance and operates at a test current of 5 mA. The device dissipates up to 0.5 W of power in a DO-35 glass axial-lead package. Key electrical characteristics include a maximum reverse leakage current of 5 uA, a Zener impedance of 17 Ohms, and a voltage temperature coefficient of 0.03 %/C. It supports an operating temperature range from -65 C to +200 C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using silicon oxide passivated junction technology.
• Features low reverse leakage current for improved circuit efficiency.
• Offers high stability and sharp reverse characteristic curves.

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source when sourcing this part number, as it is widely produced by multiple semiconductor vendors including Sensitron and Microsemi. Confirm that the component matches the required DO-35 glass axial-lead package and 0.5 W power rating. Ensure the 5% voltage tolerance aligns with design specifications before procurement.

Single Zener Diodes Selection Notes

Select this component for designs requiring a precise 26 V reference in through-hole assemblies. The DO-35 package suits standard PCB layouts. Consider the 0.5 W power dissipation limit and the -65 C to +200 C operating range to ensure reliability under expected thermal conditions.

Single Zener Diodes Part Context

This component belongs to the 1N52xxB series of 0.5 W Zener Voltage Regulators. The series provides a wide selection of voltages from 2.4 V to 200 V in standard 5% or 10% tolerances. These glass axial-leaded diodes are engineered for general-purpose voltage regulation tasks across various industrial and commercial electronics.

Single Zener Diodes Replacement Considerations

Compatible substitutes include the 1N5253B manufactured by Sensitron and the MX1N5253A-1TR from Microsemi. Verify pinout compatibility and package dimensions (DO-35) when replacing. Ensure the replacement part meets the same 26 V Zener voltage and 0.5 W power dissipation requirements.