1N5258B

Single Zener Diodes Overview

The Fairchild Semiconductor 1N5258B is a single silicon unidirectional Zener diode rated at 36 V nominal voltage with ±5% tolerance. It features a maximum power dissipation of 0.5 W and operates within a temperature range of -65 °C to +200 °C junction temperature. The device utilizes a DO-35 axial leaded package, offering low reverse leakage current of 100 nA and a Zener impedance of 70 Ohms.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation in a standard glass axial-lead package
• Designed for high-temperature operation up to 200 °C junction temperature
• Offers consistent performance across a wide operating current range

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection for sensitive electronic components
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source, as the 1N5258B designation is utilized by multiple semiconductor producers including Vishay, Diodes Incorporated, and Microchip. Confirm that the received component matches the required DO-35 package and electrical specifications before integration into the design.

Single Zener Diodes Selection Notes

Select this component when a 36 V regulation point is required in a through-hole axial configuration. Ensure the application can accommodate the specified 70 Ohm dynamic impedance and 100 nA leakage current. Verify thermal management capabilities for the 0.5 W power rating under worst-case operating conditions.

Single Zener Diodes Part Context

This part belongs to the widely adopted 1N52xx series of 0.5 W Zener diodes. These devices are standardized JEDEC registered components available from numerous manufacturers. The series covers a broad voltage spectrum, making it a common choice for general-purpose voltage regulation tasks in industrial and commercial electronics.

Single Zener Diodes Replacement Considerations

Direct substitutes include parts from other manufacturers such as Vishay or Microchip bearing the same 1N5258B designation. Cross-referencing datasheets is essential to confirm identical pinout, package dimensions, and electrical tolerances.