1N5243B_T50R

Single Zener Diodes Overview

The onsemi 1N5243B_T50R is a single silicon Zener diode housed in a DO-35 axial leaded package. It provides a nominal Zener voltage of 13 V with a tolerance of ±5%. The device dissipates up to 500 mW and operates within a junction temperature range of -65°C to +175°C. Key electrical characteristics include a maximum reverse leakage current of 500 nA at 9.9 V, a forward voltage of 1.5 V at 200 mA, and a maximum dynamic impedance of 13 Ohms.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction for corrosion resistance
• Compression bonded internal design
• Solderable leads suitable for through-hole mounting

Single Zener Diodes Applications

• Voltage regulation circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific suffix _T50R against official datasheets to confirm packaging details such as reel specifications. Confirm RoHS compliance status as it varies by manufacturer lot and region. Ensure the component meets required military or industrial screening levels if applicable to the design.

Single Zener Diodes Selection Notes

Select this component when a standard 13 V reference is needed in a DO-35 package. Consider the 5% tolerance and 13 Ohm impedance for precision requirements. Verify thermal management capabilities given the 500 mW power dissipation limit in enclosed environments.

Single Zener Diodes Part Context

This part belongs to the 1N5221 through 1N5281B series of 0.5 W Zener Voltage Regulators. The series offers voltages from 2.4 V to 200 V in standard tolerances. These devices are widely used in general-purpose electronic applications requiring stable voltage references.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N5243B equivalents in DO-35 packages. Verify pinout compatibility and ensure thermal and electrical ratings meet or exceed original specifications.