1N5253B-T

Single Zener Diodes Overview

The 1N5253B-T is a silicon planar power Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides a nominal Zener voltage of 25 V with a standard tolerance of ±5%. The device operates at a test current of 5 mA and dissipates up to 500 mW in the DO-35 (DO-204AH) axial leaded package. Key electrical characteristics include a maximum reverse leakage current of 0.1 µA at 19 V, a typical dynamic resistance of 35 Ω, and a temperature coefficient of +0.089 %/K.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust performance
• Features a glass-passivated junction within an axial leaded package
• Designed for high reliability applications

Single Zener Diodes Applications

• Voltage stabilization
• Reference voltage generation
• Overvoltage protection circuits

Single Zener Diodes Procurement Notes

Verify that the ordering code matches the specific suffix requirements for your packaging needs. Confirm compliance with RoHS directives and material categorization standards before finalizing procurement. Ensure thermal management aligns with absolute maximum ratings during operation.

Single Zener Diodes Selection Notes

Select this component when a precise 25 V reference is required with moderate tolerance. Consider the positive temperature coefficient for thermal stability analysis. Evaluate the forward voltage drop under load conditions if bidirectional functionality is needed.

Single Zener Diodes Part Context

This part belongs to the 1N5221 to 1N5267 series of small signal Zener diodes. The series covers a wide voltage range from 2.4 V to 75 V. Other variants offer tighter tolerances or different package formats like MiniMELF and SOT-23.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering equivalent 25 V Zener diodes in the DO-35 package. Verify matching electrical parameters such as dynamic resistance and leakage current to ensure circuit compatibility.

Single Zener Diodes FAQ

What is the temperature coefficient for the 1N5253B?

The temperature coefficient is +0.089 %/K.

Does the 'T' suffix indicate a change in electrical function?

No, the datasheet does not state that the 'T' suffix changes the electrical function; it typically denotes tape and reel packaging.