1N5228BTR

Single Zener Diodes Overview

The Fairchild Semiconductor 1N5228BTR is a silicon Zener diode housed in the DO-35 axial leaded package. It provides a nominal Zener voltage of 3.9 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 500 mW and operates within a junction temperature range of -65°C to +200°C. This component belongs to the 1N5221 through 1N5281B series, designed for general-purpose voltage regulation applications.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a single silicon Zener junction
• Constructed in a hermetically sealed glass axial-lead DO-35 package
• Offers standard 5% voltage tolerance for general circuit requirements

Single Zener Diodes Applications

• General purpose voltage regulation circuits
• Reference voltage sources in electronic systems
• Overvoltage protection stages

Single Zener Diodes Procurement Notes

Verify that the specific part number matches the required voltage and package specifications. Confirm RoHS compliance status as it varies by manufacturer revision. Ensure the supplier source is authorized to guarantee component authenticity and traceability. Check for any military screening prefixes if environmental ruggedness is required.

Single Zener Diodes Selection Notes

Select this component when a through-hole axial leaded form factor is necessary for board layout or mechanical retention. The 500 mW power rating suits low-current regulation tasks. Consider the operating temperature range limits for high-heat environments. Compare against surface mount alternatives like MMSZ5228B if space constraints dictate a change in package type.

Single Zener Diodes Part Context

This part is a member of the widely used 1N5221 through 1N5281B series of Zener diodes. These components are characterized by their glass axial-lead construction and consistent performance across a broad voltage range from 2.4 V to 200 V. The series serves as a standard solution for discrete voltage regulation needs in industrial and commercial electronics.