1N5223B/TR

Single Zener Diodes Overview

The Microchip Technology 1N5223B/TR is a single Zener diode with a nominal voltage of 2.7 V and a tolerance of ±5%. It operates in the DO-35 (DO-204AH) glass axial-lead package, dissipating up to 500 mW at 25°C. The device features a maximum reverse current of 30 µA at 2.0 V and a dynamic impedance of 1300 Ω at 0.25 mA. It supports an operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Features hermetically sealed glass axial-lead construction for durability
• Inherently radiation hard per MicroNote 050
• Minimal capacitance characteristics suitable for high-frequency applications

Single Zener Diodes Applications

• Voltage reference circuits requiring precise low-voltage regulation
• Overvoltage protection in sensitive electronic systems
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify that the ordering suffix matches the required specifications. Confirm the presence of the 'TR' suffix indicates tape and reel packaging compliant with EIA-296 standards. Ensure the component meets RoHS compliance requirements if applicable by checking for the 'e3' designation on the datasheet or purchase order documentation.

Single Zener Diodes Selection Notes

Select this component when a 2.7 V Zener voltage with tight ±5% tolerance is required. Consider the 500 mW power dissipation limit and the thermal resistance characteristics for proper heat management. Evaluate the 1300 Ω dynamic impedance against circuit sensitivity requirements to ensure adequate performance stability under varying load conditions.

Single Zener Diodes Part Context

This part belongs to the 1N5221 through 1N5281B series of 0.5 W Zener Voltage Regulators manufactured by Microsemi/Microchip Technology. The series offers a wide selection of voltages from 2.4 V to 200 V in standard DO-35 packages. The B suffix specifically denotes a tighter ±5% voltage tolerance compared to the standard A suffix.

Single Zener Diodes Replacement Considerations

Consult the manufacturer's datasheet for surface mount equivalents like MLL5223B in the DO-213AA MELF style package. Verify parameter equivalence for any cross-manufacturer replacements to ensure compatibility with existing circuit designs.