1N5231B_S00Z

Single Zener Diodes Overview

The onsemi 1N5231B is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 5.1 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +200°C junction temperature. Packaged in the DO-35 axial leaded format, it exhibits a maximum reverse leakage current of 5 µA at 2 V and a Zener impedance of 17 Ω at a test current of 20 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a unidirectional silicon Zener structure.
• Features a glass passivated junction for enhanced reliability and environmental stability.
• Designed for through-hole mounting in standard DO-35 axial packages.

Single Zener Diodes Applications

• General purpose voltage reference circuits
• Overvoltage protection stages
• Biasing networks in analog signal processing

Single Zener Diodes Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical tolerances and screening levels. Ensure the procurement channel provides valid traceability data. Confirm that the component meets RoHS compliance requirements if applicable to the target assembly standards. Cross-reference the part number with the latest datasheet revisions to ensure compatibility with design specifications.

Single Zener Diodes Selection Notes

Select this component when a 5.1 V reference is required in a through-hole configuration. The 500 mW power rating suits low-current regulation tasks. Verify that the circuit operating conditions remain within the specified thermal limits. Consider the 17 Ω impedance value for dynamic load regulation requirements. Ensure the package dimensions fit the available board space constraints.

Single Zener Diodes Part Context

This component belongs to the widely recognized 1N52xx series of Zener diodes. The series offers a broad selection of voltage values in standardized axial packages. The 1N5231B specifically addresses the 5.1 V segment of this lineup. It serves as a fundamental discrete semiconductor element for basic electronic designs requiring reliable voltage clamping or referencing.

Single Zener Diodes Replacement Considerations

Compatible substitutes include the MMSZ5231BT1G for surface mount implementations. Other manufacturers such as Microchip and Fairchild produce equivalent parts under the same 1N5231B designation. Verify pinout compatibility and thermal performance before substitution.