1N5279B BK

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5279B BK is a silicon Zener diode in the DO-35 axial package. It provides a nominal Zener voltage of 180 V with a ±5% tolerance. The device dissipates 500 mW at 75°C and operates from -65°C to +200°C. Electrical characteristics include a maximum reverse current of 100 nA at 137 V, a maximum temperature coefficient of +0.110 %/°C, and a maximum forward voltage of 1.1 V at 200 mA.

Single Zener Diodes Feature Summary

• Designed as a highly reliable voltage regulator for industrial, commercial, entertainment, and computer applications.
• Features a hermetically sealed glass construction within the DO-35 case.

Single Zener Diodes Applications

• Industrial circuit regulation
• Commercial equipment power management
• Entertainment system voltage control
• Computer application protection

Single Zener Diodes Procurement Notes

Verify End-of-Life status before procurement. The manufacturer has transitioned this component to End-of-Life classification due to sustainability factors. Confirm availability constraints and potential discontinuation timelines directly with the supplier or engineering support prior to finalizing design-in decisions.

Single Zener Diodes Selection Notes

Select this component for high-voltage regulation requirements up to 180 V in through-hole designs. Ensure the application accommodates the specific thermal dissipation limits and operating temperature range defined by the datasheet specifications.

Single Zener Diodes Part Context

This part belongs to the 1N5221B series of silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a wide voltage range from 2.4 V to 170 V (and higher variants like this 180 V model) with consistent 500 mW power handling capabilities in the standard DO-35 package format.

Single Zener Diodes Replacement Considerations

No replacement part numbers are available. The manufacturer lists N/A for all substitution options for this specific part number and suffix combination.