1N5243B-TP

Single Zener Diodes Overview

The MCC 1N5243B-TP is a single Zener diode housed in a DO-35 glass axial package. It provides a nominal Zener voltage of 13 V with a 5% tolerance at a test current of 9.5 mA. The device supports a maximum DC power dissipation of 500 mW and operates within a temperature range of -55°C to +150°C. Key electrical parameters include a maximum reverse leakage current of 0.5 µA, a Zener impedance of 13 Ohms, and a positive voltage temperature coefficient of +0.079 %/°C.

Single Zener Diodes Feature Summary

• Utilizes a hermetically sealed glass DO-35 axial leaded package for robust environmental protection.
• Features high-temperature soldering capability rated at 260°C for 10 seconds at the terminals.
• Includes a cathode band marking for correct polarity identification during installation.

Single Zener Diodes Applications

• Voltage regulation in low-power electronic circuits
• Reference voltage generation for analog signal processing
• Overvoltage protection for sensitive semiconductor components

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to industry counterfeiting risks. Confirm RoHS compliance status and check for specific suffix designations that may indicate packaging variations. Ensure supply chain traceability meets quality standards before integration into final assemblies.

Single Zener Diodes Selection Notes

Select this component when a stable 13 V reference is required in a compact through-hole form factor. The 500 mW power rating suits applications with moderate current demands. Verify that the operating environment remains within the specified -55°C to +150°C thermal limits to maintain performance stability.

Single Zener Diodes Part Context

This part belongs to the 1N5221B through 1N5267B series of 500 mW Zener diodes manufactured by Micro Commercial Components. The series covers a wide voltage range from 2.4 V to 75 V, offering standardized options for various voltage regulation needs within the same physical footprint and manufacturing process.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching the 13 V nominal voltage, 500 mW power dissipation, DO-35 package, and 5% tolerance specifications.

Single Zener Diodes FAQ

What is the voltage temperature coefficient for the 1N5243B-TP?

The voltage temperature coefficient is +0.079 %/°C.

How is the polarity indicated on the 1N5243B-TP package?

Polarity is identified by a cathode band marking on the glass body.