1N5261B-TR

Single Zener Diodes Overview

The Vishay 1N5261B-TR is a silicon planar power Zener diode in the DO-35 (DO-204AH) axial leaded package. It provides a nominal Zener voltage of 47 V with a standard tolerance of ±5%. The device operates at a test current of 2.7 mA and dissipates up to 500 mW of power. Key electrical parameters include a maximum dynamic resistance of 105 Ω, a reverse leakage current of 100 nA at 43 V, and a typical temperature coefficient of 0.095 %/K. It supports junction temperatures up to 175 °C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage regulation
• Features a glass passivated DO-35 axial leaded package
• Designed for high thermal stability with a 175 °C junction rating

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 documentation to confirm packaging details. Ensure that the required tolerance aligns with the 'B' designation specifications. Confirm compliance requirements such as RoHS status prior to finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a 47 V reference point is required within a through-hole design. Consider the 500 mW power dissipation limit relative to ambient operating conditions. Evaluate the 105 Ω dynamic impedance against circuit sensitivity requirements.

Single Zener Diodes Part Context

This part belongs to the 1N5221 to 1N5267 series of small signal Zener diodes manufactured by Vishay General Semiconductor - Diodes Division. The series covers a wide range of voltages from 2.4 V to 75 V using standardized axial packages.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering equivalent 47 V, 500 mW Zener diodes in the DO-35 package. Verify matching electrical characteristics including dynamic resistance and leakage current before substitution.

Single Zener Diodes FAQ

What is the standard voltage tolerance for the 1N5261B-TR?

The standard tolerance is ±5%, indicated by the 'B' suffix in the ordering code.

What is the maximum operating junction temperature?

The maximum junction temperature is 175 °C.