1N5228BE3

Single Zener Diodes Overview

The Microchip Technology 1N5228BE3 is a 0.5 W glass axial-lead Zener diode in the DO-35 (DO-204AH) package. It provides a nominal Zener voltage of 3.9 V with a ±5% tolerance, tested at 20 mA. The device features a maximum reverse leakage current of 23 µA at 1 V and a dynamic impedance of 23 Ω at 0.25 mA. Operating temperatures range from -65°C to +175°C. The 'e3' suffix indicates RoHS compliance.

Single Zener Diodes Feature Summary

• Hermetically sealed glass axial-lead construction
• Regulates voltage across broad operating currents and temperature ranges
• Inherently radiation hard per MicroNote 050
• Non-sensitive to electrostatic discharge

Single Zener Diodes Applications

• Voltage regulation circuits
• Reference voltage sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer origin, as this part number originates from Microsemi which was acquired by Microchip Technology. Confirm that the 'e3' suffix correctly denotes RoHS compliance for the intended manufacturing lot. Ensure the package type matches the required DO-35 form factor for your PCB layout.

Single Zener Diodes Selection Notes

Select this component when a standard 3.9 V reference is needed in a through-hole configuration. The 5% tolerance suits general-purpose applications. Consider tighter tolerance variants if precision is critical. Verify thermal derating requirements against the power dissipation curve for high-temperature environments.

Single Zener Diodes Part Context

This device belongs to the popular 1N5221 through 1N5281B series of 0.5 W Zener Voltage Regulators. The series offers a wide selection of voltages from 2.4 V to 200 V. The 1N5228BE3 specifically addresses the lower voltage end of the spectrum within the standard JEDEC registered lineup.

Single Zener Diodes Replacement Considerations

Equivalent parts include 1N5228B and 1N5228. Surface mount equivalents are available in the MLL5221 to MLL5281B series using the DO-213AA MELF package.

Single Zener Diodes FAQ

What does the 'e3' suffix indicate?

The 'e3' suffix identifies the device as RoHS compliant.

Is this device sensitive to ESD?

No, the device is non-sensitive to electrostatic discharge according to MIL-STD-750 Method 1020.