1N5223BE3

Single Zener Diodes Overview

The Microchip Technology 1N5223BE3 is a 0.5 W glass axial-lead Zener diode in the DO-35 package. It provides a nominal Zener voltage of 2.7 V at a test current of 20 mA, with a maximum reverse leakage current of 75 µA at 1.9 V and a Zener impedance of 130 Ω at 0.25 mA. The device features a ±5% voltage tolerance (B suffix) and a temperature coefficient of -0.080 %/°C. It operates within a temperature range of -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Features minimal capacitance characteristics suitable for high-frequency applications
• Inherently radiation hard per MicroNote 050 specifications

Single Zener Diodes Applications

• Voltage reference circuits requiring precise low-voltage regulation
• Protection against overvoltage transients in sensitive electronic systems
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify that the ordering suffix 'e3' confirms RoHS compliance and matte-tin plating as specified in the datasheet. Ensure the component matches the JEDEC registered type number 1N5223 with the B suffix for guaranteed ±5% tolerance limits on all parameters. Confirm the package is the hermetically sealed glass DO-35 variant.

Single Zener Diodes Selection Notes

Select this component when a 2.7 V reference is required with tight ±5% tolerance. Consider the negative temperature coefficient of -0.080 %/°C for thermal stability requirements. The 500 mW power dissipation rating supports steady-state operation up to 50°C lead temperature or 25°C ambient temperature on FR4 boards.

Single Zener Diodes Part Context

This part belongs to the 1N5221 through 1N5281B series of 0.5 W Zener Voltage Regulators manufactured by Microsemi Scottsdale Division, now part of Microchip Technology. The series offers an extensive selection from 2.4 to 200 volts in standard DO-35 glass axial-lead packages.

Single Zener Diodes Replacement Considerations

Surface mount equivalents are available in the MLL5221 to MLL5281B series using the DO-213AA MELF style package. DO-7 glass body axial-leaded equivalents are also offered for alternative mounting configurations.