1N5254B-T

Single Zener Diodes Overview

The Vishay 1N5254B-T is a silicon planar power Zener diode with a nominal voltage of 27 V and ±5% tolerance. It operates in the DO-35 (DO-204AH) axial through-hole package, dissipating up to 500 mW at thermal equilibrium. The device features a maximum dynamic resistance of 41 Ω and a reverse leakage current of 0.1 µA at 21 V. It supports junction temperatures up to 175 °C and storage ranges from -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for high stability and sharp reverse characteristics
• Provides standard ±5% Zener voltage tolerance for reliable voltage regulation
• Features low reverse leakage current levels to minimize standby power loss

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify that the ordering code matches the specific suffix required for your packaging needs. Confirm compliance with RoHS directives and material categorization standards before finalizing procurement. Ensure lead lengths and soldering conditions align with assembly equipment capabilities to maintain thermal integrity during installation.

Single Zener Diodes Selection Notes

Select this component when a 27 V reference point is required within a 500 mW dissipation limit. Consider the DO-35 package dimensions for board layout constraints. Evaluate the temperature coefficient and dynamic impedance against circuit sensitivity requirements to ensure stable performance across the specified operating temperature range.

Single Zener Diodes Part Context

This part belongs to the Vishay 1N5221 to 1N5267 series of small signal Zener diodes. The series covers a wide voltage range from 2.4 V to 75 V, offering standardized tolerances and consistent electrical characteristics. These devices are designed for general-purpose voltage regulation and protection applications in commercial electronics.

Single Zener Diodes Replacement Considerations

Equivalent parts include 1N5254B-TR and 1N5254B-TAP from Vishay General Semiconductor - Diodes Division.