1N5221B-TR

Single Zener Diodes Overview

The Vishay 1N5221B-TR is a silicon planar power Zener diode with a nominal voltage of 2.4 V and a maximum power dissipation of 500 mW. It features a standard ±5% tolerance, indicated by the 'B' suffix, and operates within a junction temperature range of -65 °C to +175 °C. The device utilizes a DO-35 (DO-204AH) axial through-hole package and has a typical thermal coefficient of -0.085 %/K.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage regulation
• Provides stable reference voltages in low-power applications
• Offers high thermal stability across extended operating temperatures

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify that the ordering code includes the '-TR' suffix to ensure delivery in taped and reeled format. Confirm the 'B' designation matches the required ±5% voltage tolerance. Ensure the application environment remains within the specified thermal limits to maintain performance integrity.

Single Zener Diodes Selection Notes

Select this component when a precise 2.4 V reference is needed in a standard axial package. Consider the negative temperature coefficient for thermal compensation requirements. Evaluate the 500 mW power rating against expected circuit loads to prevent exceeding absolute maximum ratings.

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 covers a wide voltage range from 2.4 V to 75 V, providing standardized options for various electronic design needs.

Single Zener Diodes Replacement Considerations

Direct substitutes include other manufacturers' 1N5221B equivalents. Verify pinout compatibility and electrical parameters such as dynamic resistance and leakage current before implementation.