1N5255C-TR

Single Zener Diodes Overview

The Vishay 1N5255C-TR is a silicon planar power Zener diode with a nominal voltage of 28 V and a maximum power dissipation of 500 mW. It features a tight voltage tolerance of ±2% indicated by the 'C' suffix, tested at a current of 4.5 mA. The device exhibits a maximum dynamic impedance of 44 Ω and a reverse leakage current of 0.1 µA at 21 V. Packaged in an axial DO-35 (DO-204AH) housing, it supports a junction temperature up to 175 °C and operates within a storage range of -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• High precision voltage regulation achieved through a ±2% tolerance specification
• Robust thermal management capabilities supporting high junction temperatures
• Low forward voltage drop characteristic for efficient circuit operation

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection systems

Single Zener Diodes Procurement Notes

Verify that the ordering code explicitly includes the 'C' suffix to ensure the component meets the required ±2% voltage tolerance standard. Confirm the '-TR' suffix corresponds to the taped and reeled packaging format intended for automated assembly processes. Cross-reference the specific document revision number against the manufacturer's official records to validate the electrical characteristics provided.

Single Zener Diodes Selection Notes

Select this component when precise voltage regulation is critical and tighter tolerances than the standard ±5% are necessary. Ensure the operating environment remains within the specified thermal limits to maintain performance stability. Evaluate the package dimensions to confirm compatibility with the target printed circuit board layout and mounting requirements.

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 nominal voltage range from 2.4 V to 75 V. The 'C' designation specifically denotes the tighter manufacturing tolerance compared to the standard 'B' variant, providing enhanced accuracy for sensitive electronic applications.

Single Zener Diodes Replacement Considerations

Consult the manufacturer's official documentation for verified equivalent part numbers or direct replacements. Verify that any substitute component matches the exact voltage rating, tolerance class, and physical package dimensions to ensure seamless integration into existing designs.