1N5243B-TR

Single Zener Diodes Overview

The Vishay 1N5243B-TR is a silicon planar power Zener diode in the DO-35 (DO-204AH) axial lead package. It provides a nominal Zener voltage of 13 V with a standard tolerance of ±5%. The device operates at a test current of 9.5 mA and dissipates up to 500 mW. Key electrical parameters include a maximum reverse leakage current of 0.5 µA, a dynamic resistance of 13 Ω, and a temperature coefficient of 0.079 %/K.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage regulation
• Provides stable reference voltages within tight manufacturing tolerances
• Designed for high thermal stability across extended operating ranges

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific ordering code suffix against the manufacturer's official documentation to confirm packaging details and tolerance grades. Ensure that the component meets all required environmental compliance standards for the intended application before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 13 V reference is required in an axial lead configuration. Consider the 500 mW power dissipation limit and the specific dynamic resistance characteristics to ensure compatibility with the circuit's load requirements and thermal management capabilities.

Single Zener Diodes Part Context

This part belongs to the 1N5221 to 1N5267 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of nominal voltages from 2.4 V to 75 V, providing designers with standardized options for various voltage regulation needs in through-hole applications.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N5243 equivalents or Vishay's TZM5243B MiniMELF variant if surface mount space is constrained. Verify pinout compatibility and thermal performance ratings before substituting.