1N5223B

Single Zener Diodes Overview

The Fairchild Semiconductor 1N5223B is a single Zener diode designed for voltage regulation and reference applications. It features a nominal Zener voltage of 2.7 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +200°C. It utilizes a DO-204AH (DO-35) axial through-hole package, offering a maximum Zener impedance of 30 Ohms and a reverse leakage current of 75 µA at 1 V.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal 2.7 V output.
• Supports high-temperature operation up to +200°C junction temperature.
• Utilizes a standard axial through-hole package for reliable mounting.

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• General-purpose voltage regulation

Single Zener Diodes Procurement Notes

Verify the manufacturer origin, as Fairchild Semiconductor assets are managed by onsemi. Confirm the specific package variant matches the required DO-204AH specification. Ensure the ±5% tolerance aligns with circuit requirements. Check for RoHS compliance status if applicable to the production environment. Validate the part number against official distributor catalogs to avoid counterfeit components.

Single Zener Diodes Selection Notes

Select this component when a precise 2.7 V reference is needed in through-hole designs. The low impedance value suits applications requiring tighter voltage stability under load variations. Consider the thermal rating for environments exceeding standard industrial temperatures. Verify that the 500 mW power limit accommodates the expected operating current without derating issues.

Single Zener Diodes Part Context

The 1N5223B belongs to the standard 1N52xx series of Zener diodes, widely used for basic voltage clamping and reference tasks. This series is characterized by its robust axial leaded construction, suitable for general electronics manufacturing. The 2.7 V variant specifically targets low-voltage logic level protection and reference needs.

Single Zener Diodes Replacement Considerations

Equivalent parts include other manufacturers' 1N5223B variants from suppliers like Microchip or Vishay. Cross-reference with 1N5223BT for tape-and-reel packaging options if automated assembly is required. Ensure replacement devices maintain the same 500 mW power rating and DO-35 footprint compatibility.