1N5248

Single Zener Diodes Overview

The Microchip Technology 1N5248 is a single silicon Zener diode designed for voltage regulation applications. It features an 18 V nominal Zener voltage with a 20% tolerance and operates within a power dissipation rating of 0.5 W. The device utilizes a DO-35 axial through-hole package, supporting a maximum operating temperature of 200 °C and a minimum of -65 °C. Key electrical characteristics include a maximum reverse leakage current of 100 nA at 14 V, a dynamic impedance of 21 Ohms, and a forward voltage of 1.1 V at 200 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a single unidirectional silicon junction.
• Features hermetically sealed glass encapsulation for environmental protection.
• Supports high thermal stability with an extended operating temperature range.

Single Zener Diodes Applications

• General-purpose voltage reference circuits
• Overvoltage protection in electronic systems
• Clamping applications in signal processing

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source, as the 1N5248 designation is historically associated with multiple vendors including TDK and Microchip. Confirm that the received component matches the required 18 V specification and DO-35 package dimensions. Ensure compliance with RoHS directives if applicable to your assembly process. Cross-reference datasheets from authorized distributors to confirm exact tolerances and testing conditions before integration.

Single Zener Diodes Selection Notes

Select this component when a standard 18 V regulation point is required in a through-hole design. The 0.5 W power rating suits low-current applications where higher power devices are unnecessary. Consider the 20% tolerance if precise voltage accuracy is not critical. Verify that the axial lead form factor fits the PCB layout constraints compared to surface mount alternatives.

Single Zener Diodes Part Context

This part belongs to the legacy JEDEC registered 1N52xx series of Zener diodes. These components are widely recognized for their reliability in industrial and commercial electronics. The 1N5248 specifically targets the 18 V segment of this extensive family, offering a standardized solution for designers requiring proven, through-hole voltage regulation capabilities.

Single Zener Diodes Replacement Considerations

Equivalent parts include Vishay 1N5248B and generic equivalents meeting the 18V/0.5W/DO-35 specifications. Ensure replacement units maintain the same axial package style and thermal ratings. Verify that substitute manufacturers provide comparable leakage current and impedance characteristics for circuit compatibility.