1N5228

Single Zener Diodes Overview

The SMC Diode Solutions 1N5228 is a single silicon planar power Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 3.9 V with a maximum dynamic impedance of 23 Ohms. The device supports a maximum power dissipation of 500 mW and exhibits a reverse leakage current of 10 µA at 950 mV. Packaged in a through-hole configuration, it provides stable voltage reference capabilities within its specified electrical limits.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage regulation
• Provides standard Zener voltage tolerance characteristics
• Designed for unidirectional operation in axial lead packages

Single Zener Diodes Applications

• Voltage regulation circuits
• Voltage reference applications
• General purpose electronic protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source when sourcing this component, as multiple vendors produce the 1N5228 designation. Confirm that the received unit matches the SMC Diode Solutions part number exactly. Check for any suffix variations that may indicate different tolerances or packaging options. Ensure the component status is active if new production is required, as some listings may indicate obsolete status depending on the distributor.

Single Zener Diodes Selection Notes

Select the 1N5228 when a 3.9 V Zener reference is required with 500 mW power handling capability. Consider the 23 Ohm dynamic impedance for regulation precision requirements. Evaluate the through-hole package constraints against available PCB real estate. Compare leakage current specifications against sensitive circuit inputs to ensure compatibility with the design's noise and stability thresholds.

Single Zener Diodes Part Context

This component belongs to the broader family of 1N52xx series Zener diodes, which offer various voltage ratings from 2.4 V to higher values. These devices are commonly used in low-power regulation tasks. The 1N5228 specifically targets the 3.9 V segment of this range, providing a standardized solution for designers needing precise voltage clamping or referencing in analog and digital circuits.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N5228 parts to verify pinout and electrical parameter compatibility. Ensure substitute components meet the 500 mW power rating and 3.9 V Zener voltage tolerance. Verify package dimensions match the existing footprint if replacing in an established design.