1N5228B BK TIN/LEAD

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5228B BK TIN/LEAD is a silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 3.9 V with a tolerance of ±5%. The device operates in a DO-35-2 axial leaded package and dissipates up to 500 mW of power. Key electrical parameters include a maximum reverse leakage current of 15 µA, a Zener impedance of 24 Ω, and a test current of 20 mA. It supports an operating temperature range from -65 °C to +200 °C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using silicon junction technology
• Features hermetically sealed glass construction for environmental protection
• Designed for through-hole mounting in standard axial configurations

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection stages
• Power supply regulation modules

Single Zener Diodes Procurement Notes

Verify the specific manufacturer designation and suffix codes against official datasheets before procurement. Confirm that the tin/lead plating meets project requirements. Ensure the DO-35 package dimensions align with PCB layout constraints. Validate thermal performance specifications against the intended operating environment.

Single Zener Diodes Selection Notes

Select this component when a 3.9 V reference is required in a low-power axial package. Consider the 500 mW dissipation limit and the specified Zener impedance for precision requirements. Evaluate the high maximum operating temperature capability for demanding environments compared to standard commercial alternatives.

Single Zener Diodes Part Context

This part belongs to the widely recognized 1N522x series of 0.5 W Zener diodes. These components are standard industry references for general-purpose voltage regulation. The specific model utilizes a glass passivation process typical for reliable axial-leaded semiconductor devices.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering the 1N5228B specification in DO-35 packages. Verify matching electrical characteristics such as Zener voltage tolerance and impedance.