1N5259B-T

Single Zener Diodes Overview

The Vishay 1N5259B-T is a silicon planar power Zener diode with a nominal voltage of 39 V and ±5% tolerance. It operates within a test current range of 1.7 to 20 mA, featuring a maximum reverse leakage current of 0.1 µA at 30 V and a dynamic resistance of 80 Ω at the test current. The device dissipates up to 500 mW of power, withstands a junction temperature of 175 °C, and maintains a storage temperature range from -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage stabilization
• Provides standard ±5% Zener voltage tolerance in the 'B' suffix configuration
• Designed for single circuit configurations with axial lead mounting

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 package and tolerance requirements. Confirm the suffix indicates the correct packaging format. Ensure compliance with RoHS standards and material categorization definitions provided by the manufacturer before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when a 39 V reference with moderate precision is required. Consider the thermal resistance characteristics and power dissipation limits relative to the ambient operating conditions. Evaluate the forward voltage drop and reverse leakage current against the specific circuit constraints.

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 Zener voltage range from 2.4 V to 75 V, offering various tolerance options and package types including DO-35, MiniMELF, SOT-23, and SOD-123.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering equivalent 39 V Zener diodes in the DO-35 package. Verify matching electrical parameters such as dynamic resistance, leakage current, and power dissipation capabilities to ensure functional compatibility.