1N5223B-G

Single Zener Diodes Overview

The Comchip Technology 1N5223B-G is a unidirectional silicon Zener diode housed in the DO-35 glass axial leaded package. It provides a nominal Zener voltage of 2.7 V at a test current of 20 mA, with a maximum dynamic impedance of 30 Ω and a maximum reverse leakage current of 0.5 μA. The device supports a power dissipation of 500 mW at 25°C, operates within a junction temperature range up to 175°C, and maintains a storage temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Axial leaded construction utilizing a glass DO-35 case for robust environmental stability.
• Polarity identification via a distinct cathode band marking on the component body.
• Designed for stable voltage regulation across a wide thermal operating envelope.

Single Zener Diodes Applications

• Voltage reference circuits requiring precise low-voltage stabilization.
• Overvoltage protection stages in signal conditioning paths.
• Clamping applications in electronic protection networks.

Single Zener Diodes Procurement Notes

Verify that the ordering suffix matches the specific manufacturer designation required for your bill of materials. Confirm RoHS compliance status directly with the supplier documentation. Ensure the package type aligns with your automated or manual assembly processes. Cross-reference the part number against the official datasheet to validate electrical tolerances before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a 2.7 V reference point is necessary within a through-hole design. Evaluate the 500 mW power rating against expected circuit loads to ensure safe operation below the thermal limit. Consider the 30 Ω dynamic impedance for noise sensitivity requirements. Verify that the DO-35 footprint fits the target PCB layout constraints.

Single Zener Diodes Part Context

This component belongs to the 1N5221B-G through 1N5267B-G series manufactured by Comchip Technology. The series covers a broad spectrum of Zener voltages ranging from 2.4 V to 75 V. All parts share identical mechanical dimensions and thermal characteristics while differing in their specific voltage breakdown specifications.

Single Zener Diodes Replacement Considerations

Compatible substitutes include other manufacturers' 1N5223B variants. Verify that replacement parts maintain the same DO-35 package and 2.7 V nominal voltage. Check that dynamic impedance and leakage current limits meet or exceed original specifications.

Single Zener Diodes FAQ

What is the maximum reverse leakage current specified for this diode?

The maximum reverse leakage current is 0.5 μA at a reverse voltage of 3 V.

How is the polarity indicated on the physical component?

Polarity is identified by a cathode band marked on the glass body of the diode.