1N5243

Single Zener Diodes Overview

The SMC Diode Solutions 1N5243 is a silicon planar Zener diode designed for voltage regulation and reference applications. It features a glass passivated junction and is housed in the DO-35 axial leaded package. The device provides a nominal Zener voltage of 6.2 volts with a specified tolerance, ensuring stable performance across operating conditions. It is rated for a maximum DC power dissipation of 500 milliwatts at ambient temperature, making it suitable for low-power circuit protection and biasing tasks.

Single Zener Diodes Feature Summary

• Glass passivated junction for enhanced environmental stability
• Axial leaded construction for through-hole mounting
• Designed for precise voltage regulation and reference duties

Single Zener Diodes Applications

• Voltage regulation circuits
• Overvoltage protection
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify the specific Zener voltage tolerance and test current parameters against the official datasheet before procurement. Confirm that the DO-35 package dimensions match the target PCB layout requirements. Ensure the selected component meets the required thermal dissipation capabilities for the intended operating environment to maintain reliability.

Single Zener Diodes Selection Notes

Select this component when a fixed 6.2-volt reference is required in low-power applications. Consider the power rating and package type relative to the available board space and thermal management strategy. Verify compatibility with the circuit's current limits and ensure the Zener impedance characteristics align with the design specifications for optimal noise performance.

Single Zener Diodes Part Context

This part belongs to the standard 1N52xx series of Zener diodes, widely used in general-purpose electronics. The 1N5243 specifically targets the 6.2-volt range, a common value for biasing transistors and providing stable references in analog circuits. Its axial package facilitates easy integration into legacy and modern through-hole designs.

Single Zener Diodes Replacement Considerations

Equivalent parts include other manufacturers' 1N5243 variants or compatible Zener diodes with identical 6.2V nominal voltage and 500mW power rating. Verify pinout compatibility and package dimensions before substitution to ensure mechanical fit.