1N5257B-TAP

Single Zener Diodes Overview

The Vishay 1N5257B-TAP is a silicon planar power Zener diode with a nominal voltage of 33 V and ±5% tolerance. It operates in the DO-35 (DO-204AH) axial package, dissipating up to 500 mW at thermal equilibrium. The device features a test current of 3.8 mA, a maximum dynamic resistance of 58 Ω, and a reverse leakage current of 0.1 μA at 25 V. It supports junction temperatures up to 175 °C and storage ranges from -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• Silicon planar construction for reliable voltage regulation
• Standard ±5% Zener voltage tolerance designated by 'B' suffix
• Single circuit configuration optimized for stabilization tasks

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify that the ordering code includes the '-TAP' suffix to confirm the specific ammopack packaging format. Ensure the component matches the 1N5257B electrical specifications within the 1N5221 to 1N5267 series. Confirm compliance with material categorization definitions provided in the manufacturer documentation before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a 33 V reference with ±5% accuracy is required in an axial leaded package. The 500 mW power dissipation rating suits low-to-moderate current applications. Verify that the operating environment remains within the specified thermal limits to maintain stable Zener characteristics.

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 voltage range from 2.4 V to 75 V, providing standardized options for various electronic design requirements across multiple industries.

Single Zener Diodes Replacement Considerations

Direct substitutes include other manufacturers' 1N5257B components meeting identical electrical parameters. Cross-reference with Vishay's official replacement lists to ensure compatibility with existing board layouts and thermal constraints.