1N5250B

Single Zener Diodes Overview

The SMC Diode Solutions 1N5250B is a single Zener diode designed for voltage regulation and reference applications. It features a nominal Zener voltage of 20 V with a tolerance of ±5%. The device dissipates up to 500 mW of power and operates within a junction temperature range of -55°C to +150°C. Key electrical characteristics include a maximum reverse leakage current of 1 mA at 200 V, a dynamic impedance of 25 Ω, and a forward voltage of 1.1 V at 5 A. It is housed in the DO-201AD axial through-hole package.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal 20 V breakdown voltage.
• Capable of handling high average rectified current up to 5 A.
• Constructed using Schottky technology for fast switching performance.
• Designed for robust operation across an extended industrial temperature range.

Single Zener Diodes Applications

• Voltage clamping and protection circuits
• Power supply output regulation
• General-purpose rectification in high-current systems

Single Zener Diodes Procurement Notes

Verify the specific manufacturer designation when sourcing, as the 1N5250B identifier is historically associated with various manufacturers including NTE and Microchip. Confirm that the supplied component matches the SMC Diode Solutions part number and the DO-201AD package style. Ensure the technical specifications align with the required 20 V rating and 500 mW power dissipation limits for your design.

Single Zener Diodes Selection Notes

Select this component when a through-hole Schottky rectifier with a 200 V reverse voltage capability is required. The 5 A average current rating makes it suitable for higher power applications compared to standard small-signal diodes. Consider the DO-201AD package dimensions for PCB layout constraints and verify thermal management requirements for continuous operation near the maximum power dissipation limit.

Single Zener Diodes Part Context

This component belongs to the family of axial leaded Schottky barrier rectifiers. It utilizes silicon construction to achieve low forward voltage drop and high efficiency. The DO-201AD package provides mechanical stability for through-hole mounting, distinguishing it from surface-mount alternatives like the MMSZ series which share similar voltage ratings but differ in form factor and current handling capabilities.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with cross-manufacturer equivalents such as those from other vendors offering DO-201AD Schottky rectifiers before substitution.