1N5242B-T

Single Zener Diodes Overview

The 1N5242B-T is a silicon planar power Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides a nominal Zener voltage of 12 V with a standard tolerance of ±5%. The device operates in the DO-35 (DO-204AH) axial through-hole package and supports a maximum power dissipation of 500 mW at thermal equilibrium. Key electrical characteristics include a test current of 20 mA, a maximum reverse leakage current of 1 µA at 9.1 V, and a dynamic resistance of 30 Ω at the test current.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage regulation
• Provides stable reference voltages within a tight manufacturing tolerance
• Designed for high junction temperature operation up to 175 °C

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify that the ordering code matches the required suffix for the specific packaging format needed. Confirm compliance with RoHS3 standards and material categorization requirements before finalizing procurement. Ensure the component meets the necessary environmental specifications for the intended deployment environment.

Single Zener Diodes Selection Notes

Select this component when a 12 V reference with ±5% accuracy is required in an axial leaded package. Consider the 500 mW power dissipation limit and the 30 Ω dynamic impedance for circuit stability. Evaluate the operating temperature range to ensure compatibility with the system's thermal profile.

Single Zener Diodes Part Context

This part belongs to the 1N5221 to 1N5267 series of small signal Zener diodes from Vishay Semiconductors. The series covers a wide range of nominal voltages from 2.4 V to 75 V. The 'B' suffix indicates the standard ±5% voltage tolerance class available in the DO-35 package.

Single Zener Diodes Replacement Considerations

1N759A BK PBFREE

Single Zener Diodes FAQ

What is the typical voltage temperature coefficient for the 1N5242B?

The typical voltage temperature coefficient is 0.077 %/K.

What is the maximum forward voltage specified for this diode?

The maximum forward voltage is 1.1 V when tested at a forward current of 200 mA.