1N5226A (DO-35)

Single Zener Diodes Overview

The Microsemi 1N5226A is a 0.5-watt glass axial-lead Zener diode in the DO-35 package. It provides a nominal Zener voltage of 3.3 V with a standard tolerance of ±10%. The device operates within a temperature range of -65°C to +175°C and features a maximum reverse current of 25 µA at 1.9 V. Electrical characteristics include a test current of 20 mA, a maximum Zener impedance of 28 Ω, and a voltage temperature coefficient of -0.070 %/°C.

Single Zener Diodes Feature Summary

• Hermetically sealed glass axial-lead construction for durability
• Inherently radiation hard per MicroNote 050
• Minimal capacitance suitable for high-frequency applications
• Non-sensitive to electrostatic discharge

Single Zener Diodes Applications

• Voltage regulation over broad operating ranges
• Reference voltage sources
• Protection against transient voltages

Single Zener Diodes Procurement Notes

Verify that the specific part number matches the required JEDEC registration and tolerance suffix. Confirm compliance requirements such as RoHS status if applicable, noting that standard versions may contain lead. Ensure the ordering suffix aligns with the desired screening level or packaging format before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a stable 3.3 V reference is needed in an axial-lead form factor. Consider the -0.070 %/°C temperature coefficient for thermal stability requirements. Verify that the 0.5 W power dissipation rating meets the circuit's thermal management needs under expected operating conditions.

Single Zener Diodes Part Context

This device belongs to the 1N5221 through 1N5281B series of 0.5 watt Zener Voltage Regulators. The series offers a wide selection of voltages from 2.4 to 200 volts. The 1N5226A specifically represents the 3.3 V variant within this extensive lineup of standard tolerance devices.

Single Zener Diodes Replacement Considerations

Surface mount equivalents are available in the MLL5221 to MLL5281B series using the DO-213AA MELF package. These surface mount options also support internal bond configurations via the “-1” suffix.